//preload images
var images = new Array();

images[0] = new Image();
images[0].src = "/images/header/square_about_over.gif";
images[1] = new Image();
images[1].src = "/images/header/square_products_over.gif";
images[2] = new Image();
images[2].src = "/images/header/square_research_over.gif";
images[3] = new Image();
images[3].src = "/images/header/square_projects_over.gif";
images[4] = new Image();
images[4].src = "/images/header/square_education_over.gif";

//define variables
var productsnavigation = "<table title=\"products menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"web solutions\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/products_services/solutions.html\" onmouseover=\"window.status='How GISCA can supply web development, hosting and online GIS solutions.'; return true;\">web&nbsp;solutions</a></td> <td title=\"empty\" align=\"center\" bgcolor=\"#0075cd\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"identifying need\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/products_services/need.html\" onmouseover=\"window.status='The use of GIS in identifying areas of need.'; return true;\">identifying&nbsp;need</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#0075cd\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"accessibility indicies\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/products_services/accessibility.html\" onmouseover=\"window.status='Accessibility indicies developed by GISCA.'; return true;\">accessibility</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#0075cd\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"demographic analysis\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/products_services/demographic.html\" onmouseover=\"window.status='Secure demographic data analysis, unit record analysis and geocoding.'; return true;\">demographic&nbsp;analysis</a></td></tr></table>";
var researchnavigation = "<form name=\"selecter1\"><select class=\"research\" name=\"select1\" size=1 onchange=\"go1()\"><option value=\"none\">Research Areas<option value=\"none\"><option value=\"none\">Small area population projections<option value=\"none\">Housing supply &amp; demand<option value=\"none\">Population migration<option value=\"none\">ARIA, ARIA+ accessability indicies<option value=\"none\">Real time emergency response<option value=\"none\">GIS &amp; AIDS<option value=\"none\">Defining social service catchments</select></form>";
//var projectsnavigation = "<form name=\"selecter1\"><select class=\"projects\" name=\"select1\" size=1 onchange=\"go1()\"><option value=\"none\">Project Listing<option value=\"none\"><option value=\"none\">Projects<option value=\"none\"><option value=\"/projects/aboriginal_sites.html\">Aboriginal Archaeological Sites<option value=\"/projects/access_and_equity.html\">Access and Equity in Education<option value=\"/projects/regional_services.html\">Access to regional services<option value=\"/projects/aged_care_accessibility.html\">Accessibility to aged care services<option value=\"/projects/female_gps.html\">Accessibility To Female GP's<option value=\"/projects/aged_care.html\">Aged care facilities mapping<option value=\"/projects/resthaven.html\">Aged care: Resthaven<option value=\"/projects/costai.html\">Assessing the Citarum watershed<option value=\"/projects/towards_better_practise.html\">Better Small Area Forecasts<option value=\"/projects/bowling_clubs.html\">Bowling Clubs in Adelaide<option value=\"/projects/Adelaide_gov_rev.html\">City of Adelaide Governance Review<option value=\"/projects/common_clients.html\">Common Clients Project<option value=\"/projects/communicable_disease.html\">Communicable Disease Control<option value=\"/projects/comparison_aria_rrma.html\">Comparison of ARIA and RRMA<option value=\"/projects/crime_levels.html\">Crime Level mapping in Australia<option value=\"/projects/decision.html\">DHS Decision Support With GIS<option value=\"/projects/housing_demand.html\">Drivers of Housing Demand: Adelaide<option value=\"/projects/election_results.html\">Election Returns at Polling Booth<option value=\"/projects/electronic_metro_dev.html\">Electronic Metropolitan Development<option value=\"/projects/ave_household_size.html\">Evolution of Average Household Size<option value=\"/projects/safgis.html\">Forecasting urban growth with GIS<option value=\"/projects/dev_health_geodemographic.html\">Geodemographic GIS - Health<option value=\"/projects/heartlands.html\">Heartlands Project Map<option value=\"/projects/sustainable_agriculture.html\">Indicators for Sustainable Agriculture<option value=\"/projects/indigenous_population.html\">Indigenous Population Analysis<option value=\"/projects/insurance_dissemination.html\">Insurance Dissemination<option value=\"/projects/internal_migration.html\">Internal Migration in Austalia &amp; Britain<option value=\"/projects/migration_patterns.html\">Internal Migration In Australia<option value=\"/projects/crows.html\">Locational of AFC Supporters<option value=\"/projects/influenza.html\">Managing an Influenza Pandemic<option value=\"/projects/mapping_the_parks.html\">Mapping: The Parks<option value=\"/projects/dwelling_demolitions.html\">Modelling Dwelling Demolitions<option value=\"/projects/toilet_map.html\">National Public Toilet Map<option value=\"/projects/national_urban_indicators.html\">National Urban Social Indicators<option value=\"/projects/non_metropolitan_health.html\">Non-metropolitan Health service<option value=\"/projects/the_parks.html\">The Parks Social Impact Assessment<option value=\"/projects/social_service_provision.html\">Pattern of Rural Social Services<option value=\"/projects/policy_research.html\">Policy Research In Australia<option value=\"/projects/asgc_review.html\">Rethinking the ASGC<option value=\"/projects/sa_health_service_plan.html\">SA Regional Health Service Plan<option value=\"/projects/SANFL_boundary.html\">SANFL Club Boundary Analysis<option value=\"/projects/small_area_forecasting.html\">Small Area Forecasting<option value=\"/projects/social_catchment_areas.html\">Social Catchment Areas<option value=\"/projects/social_health_atlas.html\">Social Health Atlas<option value=\"/projects/spatial_database.html\">Spatial Database Integration Project<option value=\"/projects/rural_communities.html\">Sustainability of Rural Communities<option value=\"/projects/urban_planning.html\">Urban Planning<option value=\"/projects/blood.html\">Using GIS to Draw Blood<option value=\"/projects/mapping_aust_pop.html\">Using GIS to Map Australia\'s Pop<option value=\"/projects/whooping_cough.html\">Whooping Cough</select></form>";
var projectsnavigation = "<table title=\"projects menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Spatial Analysis\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/projects/spatial/\" onmouseover=\"window.status='Spatial Analysis: Project list.'; return true;\">Spatial</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#4db1ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Population Analysis\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/projects/population/\" onmouseover=\"window.status='Population Analysis: Project list.'; return true;\">Population</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#4db1ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Service Planning\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/projects/service/\" onmouseover=\"window.status='Service Planning: Project list.'; return true;\">Service</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#4db1ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"ARIA, ARIA+ indices\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/projects/aria/\" onmouseover=\"window.status='ARIA: Project list.'; return true;\">ARIA</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#4db1ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Health and Aged care\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/projects/health/\" onmouseover=\"window.status='Health and Aged care: Project list.'; return true;\">Health</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#4db1ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Local Government\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/projects/localgov/\" onmouseover=\"window.status='Local Government: Project list.'; return true;\">Local Government</a></td></tr></table>";
var educationnavigation = "<table title=\"education menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Postgraduate courses\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/postgrad.html\" onmouseover=\"window.status='Postgraduate study at GISCA.'; return true;\">Postgraduate&nbsp;Courses</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Undergraduate Topics\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/undergrad.html\" onmouseover=\"window.status='Undergraduate Courses.'; return true;\">Undergraduate&nbsp;Topics </a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Short courses\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/short_courses/\" onmouseover=\"window.status='Upcoming short courses in SIS.'; return true;\">Short&nbsp;Courses</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Student resources\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/student_resources.html\" onmouseover=\"window.status='Online resources for enrolled GISCA students.'; return true;\">Student&nbsp;Resources</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Links\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/resources/\" onmouseover=\"window.status='SIS Links.'; return true;\">Links </a></td></tr></table>";
var aboutusnavigation = "<table title=\"about us menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"staff\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/about_us/staff.html\" onmouseover=\"window.status='GISCA staff.'; return true;\">staff</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#c3d2ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"objectives\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/about_us/objectives.html\" onmouseover=\"window.status='GISCA\\'s objectives, vision and history.'; return true;\">objectives</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#c3d2ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"publications\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/publications/\" onmouseover=\"window.status='Publications list.'; return true;\">publications</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#c3d2ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"location maps\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/about_us/location.html\" onmouseover=\"window.status='Maps of GISCA\\'s location.'; return true;\">location</a></td></tr></table>";
var topichome = "<table title=\"topic home menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"topic home\" align=\"right\" class=\"navigation\">TOPIC HOMEPAGE</td></tr></table>";
var sisnavigation = "<table title=\"Introduction to SIS menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Lectures\" align=\"center\" class=\"navigation\"><form name=\"lectures\"><select class=\"lectures\" name=\"lecture\" size=1 onchange=\"go2()\"><option value=\"none\">Lectures<option value=\"/none\"><option value=\"/education_training/postgraduate/sis5009/lectures/lecture1.html\">1. What is SIS?<option value=\"/education_training/postgraduate/sis5009/lectures/lecture2.html\">2. GIS as Integrative Technology<option value=\"/education_training/postgraduate/sis5009/lectures/lecture3.html\">3. GIS Resources<option value=\"/education_training/postgraduate/sis5009/lectures/lecture4.html\">4. Entities, Objects, Attributes etc<option value=\"/education_training/postgraduate/sis5009/lectures/lecture5.html\">5. Spatial Data in a GIS<option value=\"/education_training/postgraduate/sis5009/lectures/lecture6.html\">6. Geodesy, Projections, Coord. Systems<option value=\"/education_training/postgraduate/sis5009/lectures/lecture7.html\">7. Concepts of Vector GIS<option value=\"/education_training/postgraduate/sis5009/lectures/lecture8.html\">8. Database Management Systems<option value=\"/education_training/postgraduate/sis5009/lectures/lecture9.html\">9. Remote Sensing<option value=\"/education_training/postgraduate/sis5009/lectures/lecture11.html\">10. Global Positioning<option value=\"/education_training/postgraduate/sis5009/lectures/lecture12.html\">11. Spatial Analysis with Vector GIS<option value=\"/education_training/postgraduate/sis5009/lectures/Mass_apraisal_with_GIS.ppt\">12. Application of GIS: Mass Appraisal<option value=\"/education_training/postgraduate/sis5009/timetable.html\">13. Social Applications of GIS<option value=\"none\"><option value=\"/education_training/postgraduate/sis5009/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"Practicals\" align=\"center\" class=\"navigation\"><form name=\"practicals\"><select class=\"lectures\" name=\"practical\" size=1 onchange=\"go2()\"><option value=\"none\">Practicals<option value=\"/none\"><option value=\"/education_training/postgraduate/sis5009/practical1/\">1. Visualising Spatial Information<option value=\"/education_training/postgraduate/sis5009/practical2/\">2. Data Exploration &amp; Presentation<option value=\"/education_training/postgraduate/sis5009/practical3/\">3. Thematic Mapping<option value=\"/education_training/postgraduate/sis5009/practical4/\">4. Geographic Concepts<option value=\"/education_training/postgraduate/sis5009/practical5/\">5. Working with Non-Spatial Data<option value=\"/education_training/postgraduate/sis5009/practical6/\">6. Images and Digitising<option value=\"/education_training/postgraduate/sis5009/practical7/\">7. Data Capture with GPS<option value=\"/education_training/postgraduate/sis5009/practical8/\">8. Database Construction<option value=\"/education_training/postgraduate/sis5009/practical9/\">9. Vector Spatial Analysis<option value=\"none\"><option value=\"/education_training/postgraduate/sis5009/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td></tr></table>";
var sdmnavigation = "<table title=\"SD modelling and Analysis menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Asessment\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/postgraduate/sdm5008/index.html#asessment\" onmouseover=\"window.status='Introduction to SDM Assessment Tasks.'; return true;\">Asessment</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Lectures\" align=\"center\" class=\"navigation\"><form name=\"lectures\"><select class=\"lectures\" name=\"lecture\" size=1 onchange=\"go2()\"><option value=\"none\">Lectures<option value=\"/none\"><option value=\"/education_training/postgraduate/sdm5008/lectures/lecture1.html\">1. History of GIS<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture2.html\">2. Precision and Error<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture3.html\">3. Networks<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture7.html\">4. Raster GIS 1<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture8.html\">5. Raster GIS 2<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture4.html\">6. Feeding a GIS<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture6.ppt\">8. Metadata<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture11.ppt\">9. Conservation Planning<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture13.ppt\">10. Social Applications<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture10.ppt\">11. Epidemology and GIS<option value=\"none\">12. Spatial Analaysis of Crime<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture15.ppt\">13. Remoteness Index<option value=\"/education_training/postgraduate/sdm5008/lectures/lecture9.html\">14. Project Planning<option value=\"none\"><option value=\"/education_training/postgraduate/sdm5008/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"Practicals\" align=\"center\" class=\"navigation\"><form name=\"practicals\"><select class=\"lectures\" name=\"practical\" size=1 onchange=\"go2()\"><option value=\"none\">Practicals<option value=\"/none\"><option value=\"/education_training/postgraduate/sdm5008/practical1/\">1. Geodatabases<option value=\"/education_training/postgraduate/sdm5008/practical3/\">3. Vector-Raster Conversion<option value=\"/education_training/postgraduate/sdm5008/practical4/\">4. Raster Data Management<option value=\"/education_training/postgraduate/sdm5008/practical5/\">5. Raster Data Analysis<option value=\"/education_training/postgraduate/sdm5008/practical6/\">6. Landscape Structure<option value=\"/education_training/postgraduate/sdm5008/practical7/\">7. Raster Modelling<option value=\"none\"><option value=\"/education_training/postgraduate/sdm5008/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td></tr></table>";
var sdvisnavigation = "<table title=\"SD Visualisation menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Asessment\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/sdvis5014/index.html#asessment\" onmouseover=\"window.status='Introduction to SDVis Assessment Tasks.'; return true;\">Asessment</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Lectures\" align=\"center\" class=\"navigation\"><form name=\"lectures\"><select class=\"lectures\" name=\"lecture\" size=1 onchange=\"go2()\"><option value=\"none\">Lectures<option value=\"/none\"><option value=\"/education_training/lectures/sdvis5014/lectures/lecture1.html\">1. Surface Interpolation<option value=\"/education_training/lectures/sdvis5014/lectures/lecture3.html\">3. Digital Elevation Modelling<option value=\"/education_training/lectures/sdvis5014/lectures/lecture4.html\">4. Hydrological Modelling<option value=\"/education_training/lectures/sdvis5014/lectures/lecture5.ppt\">5. Environmental Databases (ppt)<option value=\"/education_training/lectures/sdvis5014/lectures/lecture6.ppt\">6. Flood Risk Asessment (ppt)<option value=\"/education_training/lectures/sdvis5014/lectures/lecture7.ppt\">7. Marine Protected Areas (ppt)<option value=\"/education_training/lectures/sdvis5014/lectures/lecture8.html\">8. Spatial Process Modelling<option value=\"/education_training/lectures/sdvis5014/lectures/lecture9.html\">9. Cartography &amp; Communication<option value=\"/education_training/lectures/sdvis5014/lectures/lecture10.html\">10. 3d Space and Time<option value=\"/education_training/lectures/sdvis5014/lectures/lecture11.html\">11. Multimedia VR &amp; Connectivity<option value=\"/education_training/lectures/sdvis5014/lectures/lecture13.html\">13. Spatial Cognition<option value=\"/education_training/lectures/sdvis5014/lectures/lecture14.html\">14. The Future of GIS<option value=\"/education_training/lectures/sdvis5014/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"Practicals\" align=\"center\" class=\"navigation\"><form name=\"practicals\"><select class=\"lectures\" name=\"practical\" size=1 onchange=\"go2()\"><option value=\"none\">Practicals<option value=\"/none\"><option value=\"/education_training/lectures/sdvis5014/practical1/\">1. Interpolating Surfaces<option value=\"/education_training/lectures/sdvis5014/practical3/\">3. Digital Elevation Models<option value=\"/education_training/lectures/sdvis5014/practical4/\">4. Surface Process Models<option value=\"/education_training/lectures/sdvis5014/practical6/\">6. Creating Webpages<option value=\"/education_training/lectures/sdvis5014/practical7/\">7. 3d Urban Planning 1<option value=\"/education_training/lectures/sdvis5014/practical8/\">8. 3d Urban Planning 2<option value=\"/education_training/lectures/sdvis5014/practical9/\">9. 3d Urban Planning 3<option value=\"/education_training/lectures/sdvis5014/practical10/\">10. 3d Urban Planning 4<option value=\"none\"><option value=\"/education_training/lectures/sdvis5014/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td></tr></table>";
var social_appsnavigation = "<table title=\"Social Applications menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Timetable\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/social_apps5012//timetable.html\" onmouseover=\"window.status='Social Apps Timetable.'; return true;\">Timetable</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Asessment\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/social_apps5012/index.html#asessment\" onmouseover=\"window.status='Asessment.'; return true;\">Asessment</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Essay Topic\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/social_apps5012/essay.html\" onmouseover=\"window.status='Essay topic.'; return true;\">Essay</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"practical\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/social_apps5012/practical.html\" onmouseover=\"window.status='Practical.'; return true;\">Practical</a></td></tr></table>";
var sdmnanavigation = "<table title=\"Spatial Data Models menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Back to SIS\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/\" onmouseover=\"window.status='SIS courses.'; return true;\">SIS</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Course Outline\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/sdmna5013/\" onmouseover=\"window.status='Course Outline'; return true;\">Course&nbsp;Outline</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Timetable\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/lectures/sdmna5013/timetable.html\" onmouseover=\"window.status='Course Timetable'; return true;\">Timetable</a></td></tr></table>";
var ugradsis_navigation = "<table title=\"Introductory GIS menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Asessment\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/undergraduate/sis2010-3010/index.html#asessment\" onmouseover=\"window.status='Introductory GIS Assessment Tasks.'; return true;\">Asessment</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Lectures\" align=\"center\" class=\"navigation\"><form name=\"lectures\"><select class=\"lectures\" name=\"lecture\" size=1 onchange=\"go2()\"><option value=\"none\">Lectures<option value=\"/none\"><option value=\"/education_training/undergraduate/sis2010-3010/lectures/introGIS_L1.ppt\">1. Introduction To GIS<option value=\"/education_training/undergraduate/sis2010-3010/lectures/introGIS_L2b.ppt\">2. Spatial Data<option value=\"/education_training/undergraduate/sis2010-3010/lectures/introGIS_L3a.ppt\">3. Data Tables<option value=\"none\">4. <option value=\"none\">5. <option value=\"none\">6. <option value=\"none\">7. <option value=\"none\">8. <option value=\"none\">9a. <option value=\"none\"><option value=\"none\">10. <option value=\"none\">11. <option value=\"none\"><option value=\"/education_training/undergraduate/sis2010-3010/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"Practicals\" align=\"center\" class=\"navigation\"><form name=\"practicals\"><select class=\"lectures\" name=\"practical\" size=1 onchange=\"go2()\"><option value=\"none\">Practicals<option value=\"/none\"><option value=\"/education_training/resources/\">1. SIS Resources<option value=\"/education_training/undergraduate/sis2010-3010/practical1/\">2. Visualising Spatial Information<option value=\"/education_training/undergraduate/sis2010-3010/practical2/\">3. Data Exploration and Presentation<option value=\"/education_training/undergraduate/sis2010-3010/practical3/\">4. Thematic Mapping<option value=\"/education_training/undergraduate/sis2010-3010/practical4/\">5. Geographic Concepts<option value=\"/education_training/undergraduate/sis2010-3010/practical5/\">6. Working with Non Spatial Data<option value=\"/education_training/undergraduate/sis2010-3010/practical9/\">7. Vector Spatial Analysis<option value=\"/education_training/undergraduate/sis2010-3010/practical6/\">8. Images and Digitising<option value=\"/education_training/undergraduate/sis2010-3010/practical7/\">9. Data Capture with GPS<option value=\"/education_training/undergraduate/sis2010-3010/practical8/\">10. GPS Data Import<option value=\"/education_training/undergraduate/sis2010-3010/practical.html\">11. Practical Assignment<option value=\"none\"><option value=\"/education_training/undergraduate/sis2010-3010/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td></tr></table>";
var ugradasa_navigation = "<table title=\"Advanced Spatial Analysis menu\" class=\"navigation\" width=\"486\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td title=\"Asessment\" align=\"center\" class=\"navigation\"><a title=\"\" href=\"/education_training/undergraduate/asa3020/index.html#assessment\" onmouseover=\"window.status='Advanced Spatial Analysis Assessment Tasks.'; return true;\">Asessment</a></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td><td title=\"Lectures\" align=\"center\" class=\"navigation\"><form name=\"lectures\"><select class=\"lectures\" name=\"lecture\" size=1 onchange=\"go2()\"><option value=\"none\">Lectures<option value=\"/none\"><option value=\"/education_training/undergraduate/asa3020/lectures/lecture1.html\">1. History of GIS<option value=\"/education_training/undergraduate/asa3020/lectures/lecture7.html\">2. Raster Concepts 1<option value=\"/education_training/undergraduate/asa3020/lectures/lecture8.html\">3. Raster Concepts (cont.)<option value=\"/education_training/undergraduate/asa3020/lectures/lecture4.html\">4. Feeding A GIS Data<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture3a.html\">5. Environmental Modelling DEM<option value=\"/education_training/undergraduate/asa3020/lectures/metadata.ppt\">6. Metadata<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture6.ppt\">7. Appication 1 FloodRisk<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture2.html\">8. Precision, Accuracy, and Error Propagation<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture3.html\">9. Networks<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture9a.html\">10. Cartography<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture7.ppt\">11. Marine Protected Areas<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture10.html\">12. Extending Dimensionality: 3D Space and Time<option value=\"/education_training/undergraduate/asa3020/lectures1/lecture9.html\">13 Project Planning and Management<option value=\"/education_training/undergraduate/asa3020/lectures/Landscape_structure.ppt\">14 Conservation Planning<option value=\"/education_training/undergraduate/asa3020/lectures/ARIA_lecture.ppt\">15 ARIA<option value=\"/education_training/undergraduate/asa3020/lecture1/metro_aria.ppt\">16 Metro ARIA<option value=\"/education_training/undergraduate/asa3020/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"Practicals\" align=\"center\" class=\"navigation\"><form name=\"practicals\"><select class=\"lectures\" name=\"practical\" size=1 onchange=\"go2()\"><option value=\"none\">Practicals<option value=\"/none\"><option value=\"/education_training/undergraduate/asa3020/practical9/\">1. Vector GIS<option value=\"/education_training/undergraduate/asa3020/practical3/\">2. Vector Raster Conversion<option value=\"/education_training/undergraduate/asa3020/practical4/\">3. Raster Data Management<option value=\"/education_training/undergraduate/asa3020/practical5/\">4. Raster Data Analysis<option value=\"/education_training/undergraduate/asa3020/practical7/\">5. Raster Modelling<option value=\"/education_training/undergraduate/asa3020/practical7/\">6. Raster Modelling(cont.)<option value=\"/education_training/undergraduate/asa3020/practical6/\">7. Quantifying Landscape Structure<option value=\"/education_training/undergraduate/asa3020/Building_Accessibility_Surfaces.doc\">8. Building Access Services<option value=\"none\">9. <option value=\"none\">10. <option value=\"none\" >11. <option value=\"none\"><option value=\"/education_training/undergraduate/asa3020/timetable.html\">&gt; Course Timetable</select></form></td><td title=\"empty\" align=\"center\" bgcolor=\"#86c9ef\" width=\"1\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" border=\"0\"></td></tr></table>";

//section variables
if (section == "products") {var sectionhtml = productsnavigation; var colour = "#0085dd";}
if (section == "research") {var sectionhtml = researchnavigation; var colour = "#00a5ff";}
if (section == "projects") {var sectionhtml = projectsnavigation; var colour = "#5dc1ff";}
if (section == "education") {var sectionhtml = educationnavigation; var colour = "#96d9ff";}
if (section == "about") {var sectionhtml = aboutusnavigation; var colour = "#d3f2ff";}

if (section == "sis") {var sectionhtml = sisnavigation; var colour = "#96d9ff";}
if (section == "topic-home") {var sectionhtml = topichome; var colour = "#96d9ff";}
if (section == "sdm") {var sectionhtml = sdmnavigation; var colour = "#96d9ff";}
if (section == "sdvis") {var sectionhtml = sdvisnavigation; var colour = "#96d9ff";}
if (section == "social_apps") {var sectionhtml = social_appsnavigation; var colour = "#96d9ff";}
if (section == "sdmna") {var sectionhtml = sdmnanavigation; var colour = "#96d9ff";}
if (section == "ugradsis") {var sectionhtml = ugradsis_navigation; var colour = "#96d9ff";}
if (section == "ugradasa") {var sectionhtml = ugradasa_navigation; var colour = "#96d9ff";}

//timeout variable
var timeoutid;
var temp;

//last modified variable
var a = new Date(document.lastModified);
var mod_year = a.getYear();

if (mod_year<100){	mod_year=2000+mod_year;	}
if (mod_year<1000){ mod_year=1900+mod_year;	}
if (mod_year<2010) {mod_year ="0"+ (mod_year - 2000);}
else {mod_year -= 2000;	}

if (mod_year==0) {mod_year="00";}
if (mod_year==1) {mod_year="01";}
if (mod_year==2) {mod_year="02";}
if (mod_year==3) {mod_year="03";}
if (mod_year==4) {mod_year="04";}
if (mod_year==5) {mod_year="05";}
if (mod_year==6) {mod_year="06";}
if (mod_year==7) {mod_year="07";}
if (mod_year==8) {mod_year="08";}
if (mod_year==9) {mod_year="09";}

var mod_month = a.getMonth();

var monthName = new Array(12);
	monthName[0] = 'Jan';
	monthName[1] = 'Feb';
	monthName[2] = 'Mar';
	monthName[3] = 'Apr';
	monthName[4] = 'May';
	monthName[5] = 'Jun';
	monthName[6] = 'Jul';
	monthName[7] = 'Aug';
	monthName[8] = 'Sep';
	monthName[9] = 'Oct';
	monthName[10] = 'Nov';
	monthName[11] = 'Dec';

//write function variables (the HTML code for the header and footer)
var header1 = "\n\n<a title=\"Page top anchor\" id=\"top\"></a>\n<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"100%\" title=\"Site navigation\">\n\t<tr>\n\t\t<td title=\"empty\" bgcolor=\"#ffffff\" width=\"50%\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"45\" alt=\"\" border=\"0\"></td>\n\t\t<td title=\"main site navigation\" width=\"682\" valign=\"top\">\n\t\t\t<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"682\" align=\"center\">\n\t\t\t\t<tr>\n\t\t\t\t\t<td><img src=\"/images/header/option3_r1_c1.gif\" width=\"196\" height=\"65\" alt=\"\" border=\"0\"></td>\n\t\t\t\t\t<td><a href=\"/products_services/\" class=\"main\" onmouseover=\"line('products');\" onmouseout=\"timeout();\"><img src=\"/images/header/option3_r1_c2.gif\" width=\"99\" height=\"65\" alt=\"\" border=\"0\"></a></td>\n\t\t\t\t\t<td><a href=\"/research/\" class=\"main\" onmouseover=\"line('research');\" onmouseout=\"timeout();\"><img src=\"/images/header/option3_r1_c3.gif\" width=\"96\" height=\"65\" alt=\"\" border=\"0\"></a></td>\n\t\t\t\t\t<td><a href=\"/projects/\" class=\"main\"  onmouseover=\"line('projects');\" onmouseout=\"timeout();\"><img src=\"/images/header/option3_r1_c4.gif\" width=\"97\" height=\"65\" alt=\"\" border=\"0\"></a></td>\n\t\t\t\t\t<td><a href=\"/education_training/\" class=\"main\"  onmouseover=\"line('education');\" onmouseout=\"timeout();\"><img src=\"/images/header/option3_r1_c5.gif\" width=\"97\" height=\"65\" alt=\"\" border=\"0\"></a></td>\n\t\t\t\t\t<td><a href=\"/about_us/\" class=\"main\" onmouseover=\"line('about'); window.status = 'Information about GISCA'; return true;\" onmouseout=\"timeout();\"><img src=\"/images/header/option3_r1_c6.gif\" width=\"97\" height=\"65\" alt=\"\" border=\"0\"></a></td>\n\t\t\t\t</tr>\n\t\t\t</table></td>\n\t\t<td title=\"empty\" bgcolor=\"White\" width=\"50%\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"45\" alt=\"\" border=\"0\"></td>\n\t</tr>\n\t<tr>\n\t\t<td title=\"empty\" id=\"peahen\" bgcolor=\"" + colour + "\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"21\" alt=\"\" border=\"0\"></td>\n\t\t<td title=\"" + section + " navigation\" width=\"682\" valign=\"top\">\n\t\t\t\t<table width=\"682\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\" id=\"peacock\" bgcolor=\"" + colour + "\">\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td width=\"1\" title=\"empty\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"21\" alt=\"\" border=\"0\"></td>\n\t\t\t\t\t\t<td width=\"195\" class=\"navigation\" title=\"navigation tree\">";
var header2 = "</td>\n\t\t\t\t\t\t<td title=\"" + section + " menu\" width=\"486\" align=\"left\">\n\t\t\t\t\t\t\t<table title=\"" + section + " menu\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"486\" title=\"\">\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td title=\"" + section + " menu\" align=\"right\" id=\"chameleon\" width=\"486\">" + sectionhtml + "</td>\n\t\t\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t\t</table>\n\t\t\t\t\t\t</td>\n\t\t\t\t\t</tr>\n\t\t\t\t</table></td>\n\t\t<td title=\"empty\" id=\"pea\" bgcolor=\"" + colour + "\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"21\" alt=\"\" border=\"0\"></td>\n\t</tr>\n</table>\n\n";
var footer1 = "\n<table title=\"Site navigation\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"100%\" bgcolor=\"Black\">\n\t<tr>\n\t\t<td bgcolor=\"black\" width=\"50%\" title=\"empty\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" alt=\"\" border=\"0\"></td>\n\t\t<td width=\"682\" title=\"Site navigation\">\n\t\t\t<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"682\" title=\"Site navigation\">\n\t\t\t\t<tr>\n\t\t\t\t\t<td title=\"page information\" width=\"196\" align=\"left\">\n\t\t\t\t\t\t<table title=\"page information\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"196\">\n\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t<td title=\"page top\" width=\"40\"><a title=\"\" href=\"#top\" onMouseOver=\"document.square.src = '/images/header/square_" + section + "_over.gif'; if (document.getElementById('foottext').innerHTML) {document.getElementById('foottext').innerHTML = 'Top';} window.status = 'Top of this page.'; return true;\" onMouseOut=\"document.square.src = '/images/header/square_" + section + ".gif'; if (document.getElementById('foottext').innerHTML) {document.getElementById('foottext').innerHTML = '&copy; GISCA';}\"><img align=\"left\" name=\"square\" src=\"/images/header/square_" + section + ".gif\" width=\"15\" height=\"21\" alt=\"\" border=\"0\"></a></td>\n\t\t\t\t\t\t\t\t<td align=\"left\" title=\"copyright information\" class=\"tree\"><a title=\"Copyright information.  Page updated: " + monthName[mod_month] + " \'" + mod_year + ".\" href=\"/copyright.html\" onmouseover=\"window.status = 'Copyright information.  Page updated: ' + monthName[mod_month] + ' \\'' + mod_year + '.'; return true;\" id=\"foottext\">&copy; GISCA</a></td>\n\t\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t</table>\n\t\t\t\t\t</td>\n\t\t\t\t\t<td title=\"main site navigation\" width=\"486\">\n\t\t\t\t\t\t<table title=\"main site navigation\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"486\">\n\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t<td title=\"Products and Services\" class=\"tree\" align=\"center\"><a title=\"\" href=\"/products_services/\" onmouseover=\"window.status = 'Products and Services supplied by GISCA.'; return true;\">Products &amp; Services</a></td>\n\t\t\t\t\t\t\t\t<td width=\"1\" bgcolor=\"#999999\" title=\"empty\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" alt=\"\" border=\"0\"></td>\n\t\t\t\t\t\t\t\t<td title=\"Research\" class=\"tree\" align=\"center\"><a title=\"\" href=\"/research/\" onmouseover=\"window.status = 'Research areas.'; return true;\">Research</a></td>\n\t\t\t\t\t\t\t\t<td width=\"1\" bgcolor=\"#999999\" title=\"empty\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" alt=\"\" border=\"0\"></td>\n\t\t\t\t\t\t\t\t<td title=\"Projects\" class=\"tree\" align=\"center\"><a title=\"\" href=\"/projects/\" onmouseover=\"window.status = 'Project listing.'; return true;\">Projects</a></td>\n\t\t\t\t\t\t\t\t<td width=\"1\" bgcolor=\"#999999\" title=\"empty\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" alt=\"\" border=\"0\"></td>\n\t\t\t\t\t\t\t\t<td title=\"Education and training\" class=\"tree\" align=\"center\"><a title=\"\" href=\"/education_training/\" onmouseover=\"window.status = 'Short courses and Higher Education at GISCA.'; return true;\">Education &amp; Training</a></td>\n\t\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t</table>\n\t\t\t\t\t</td>\n\t\t\t\t</tr>\n\t\t\t</table>\n\t\t</td>\n\t\t<td bgcolor=\"black\" width=\"50%\" title=\"empty\"><img src=\"/images/header/0.gif\" width=\"1\" height=\"1\" alt=\"\" border=\"0\"></td>\n\t</tr>\n</table>";

//code to control mouse actions
function line(n) {
if (section != "sis" && section != "sdm" && section != "sdvis" && section != "social_apps" && section != "sdmna" && section != "ugradsis") {
	if (n == "products") {
			if (timeoutid) {window.clearTimeout(timeoutid); timeoutid = 0;}
	//		window.status = "Products and Services supplied by GISCA";
			if (document.getElementById("chameleon").innerHTML) {document.getElementById("chameleon").innerHTML = productsnavigation;}
			if (document.getElementById("peacock").style) {document.getElementById("peacock").style.background = "#0085dd"; document.getElementById("peahen").style.background = "#0085dd"; document.getElementById("pea").style.background = "#0085dd"; temp = "hi";}
			}
	if (n == "research") {
			if (timeoutid) {window.clearTimeout(timeoutid); timeoutid = 0;}
	//		window.status = "Research areas";
			if (document.getElementById("chameleon").innerHTML) {document.getElementById("chameleon").innerHTML = researchnavigation;}
			if (document.getElementById("peacock").style) {document.getElementById("peacock").style.background = "#00a5ff"; document.getElementById("peahen").style.background = "#00a5ff"; document.getElementById("pea").style.background = "#00a5ff"; temp = "hi";}
			}
	if (n == "projects") {
			if (timeoutid) {window.clearTimeout(timeoutid); timeoutid = 0;}
	//		window.status = "Project listing";
			if (document.getElementById("chameleon").innerHTML) {document.getElementById("chameleon").innerHTML = projectsnavigation;}
			if (document.getElementById("peacock").style) {document.getElementById("peacock").style.background = "#5dc1ff"; document.getElementById("peahen").style.background = "#5dc1ff"; document.getElementById("pea").style.background = "#5dc1ff"; temp = "hi";}
			}
	if (n == "education") {
			if (timeoutid) {window.clearTimeout(timeoutid); timeoutid = 0;}
	//		window.status = "Short courses and Higher Education at GISCA";
			if (document.getElementById("chameleon").innerHTML) {document.getElementById("chameleon").innerHTML = educationnavigation;}
			if (document.getElementById("peacock").style) {document.getElementById("peacock").style.background = "#96d9ff"; document.getElementById("peahen").style.background = "#96d9ff"; document.getElementById("pea").style.background = "#96d9ff"; temp = "hi";}
			}
	if (n == "about") {
			if (timeoutid) {window.clearTimeout(timeoutid); timeoutid = 0;}
	//		window.status = "About GISCA";
			if (document.getElementById("chameleon").innerHTML) {document.getElementById("chameleon").innerHTML = aboutusnavigation;}
			if (document.getElementById("peacock").style) {document.getElementById("peacock").style.background = "#d3f2ff"; document.getElementById("peahen").style.background = "#d3f2ff"; document.getElementById("pea").style.background = "#d3f2ff"; temp = "hi";}
			}
}
}

function timeout() {
if (temp == 'hi') {timeoutid = window.setTimeout('line(section)', 8000);}
else {line(section);}
}

//jump menu code
function go1(){
if (document.selecter1.select1.options[document.selecter1.select1.selectedIndex].value != "none") {location = document.selecter1.select1.options[document.selecter1.select1.selectedIndex].value;}
}
function go2(){
if (document.practicals.practical.options[document.practicals.practical.selectedIndex].value != "none") {location = document.practicals.practical.options[document.practicals.practical.selectedIndex].value;}
if (document.lectures.lecture.options[document.lectures.lecture.selectedIndex].value != "none") {location = document.lectures.lecture.options[document.lectures.lecture.selectedIndex].value;}
}

//browser idiosyncrasies
if ((navigator.appName == "Netscape")&&(parseInt(navigator.appVersion) < 5)) {
header2 += "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"682\" align=\"center\"><tr><td>";
footer1 = "</td></tr><tr><td>&nbsp;</td></tr></table>" + footer1;
}

