if(document.images) { // guides by subject page rollovers var plus1 = new Image(); var plus2 = new Image(); plus1.src = "/wgbh/nova/teachers/images03/nav_icon_plus.gif"; plus2.src = "/wgbh/nova/teachers/images03/nav_icon_plus_on.gif"; // item page rollovers var prog2 = new Image(); var prog1 = new Image(); var view2 = new Image(); var view1 = new Image(); var clas2 = new Image(); var clas1 = new Image(); var idea2 = new Image(); var idea1 = new Image(); var rnre2 = new Image(); var rnre1 = new Image(); var inte2 = new Image(); var inte1 = new Image(); var prev2 = new Image(); var prev1 = new Image(); var buyt2 = new Image(); var buyt1 = new Image(); var watc2 = new Image(); var watc1 = new Image(); // pdf download icon var dpdf2 = new Image(); var dpdf1 = new Image(); prog2.src = "/wgbh/nova/teachers/images03/nav_side_programoverview_on.jpg"; prog1.src = "/wgbh/nova/teachers/images03/nav_side_programoverview.jpg"; view2.src = "/wgbh/nova/teachers/images03/nav_side_viewingideas_on.jpg"; view1.src = "/wgbh/nova/teachers/images03/nav_side_viewingideas.jpg"; clas2.src = "/wgbh/nova/teachers/images03/nav_side_classroomactiv_on.jpg"; clas1.src = "/wgbh/nova/teachers/images03/nav_side_classroomactiv.jpg"; idea2.src = "/wgbh/nova/teachers/images03/nav_side_ideasteachers_on.jpg"; idea1.src = "/wgbh/nova/teachers/images03/nav_side_ideasteachers.jpg"; rnre2.src = "/wgbh/nova/teachers/images03/nav_side_relatednovareso_on.jpg"; rnre1.src = "/wgbh/nova/teachers/images03/nav_side_relatednovareso.jpg"; inte2.src = "/wgbh/nova/teachers/images03/nav_side_interactive_on.jpg"; inte1.src = "/wgbh/nova/teachers/images03/nav_side_interactive.jpg"; prev2.src = "/wgbh/nova/teachers/images03/nav_side_watchpreview_on.jpg"; prev1.src = "/wgbh/nova/teachers/images03/nav_side_watchpreview.jpg"; buyt2.src = "/wgbh/nova/teachers/images03/nav_side_buyvideo_on.jpg"; buyt1.src = "/wgbh/nova/teachers/images03/nav_side_buyvideo.jpg"; watc2.src = "/wgbh/nova/teachers/images03/nav_side_watchonline_on.jpg"; watc1.src = "/wgbh/nova/teachers/images03/nav_side_watchonline.jpg"; // pdf download icon dpdf2.src = "/wgbh/nova/teachers/images03/nav_printer_on.gif"; dpdf1.src = "/wgbh/nova/teachers/images03/nav_printer.gif"; // resources by subject sidebar rollovers var sub011 = new Image(); var sub012 = new Image(); var sub021 = new Image(); var sub022 = new Image(); var sub031 = new Image(); var sub032 = new Image(); var sub041 = new Image(); var sub042 = new Image(); var sub051 = new Image(); var sub052 = new Image(); var sub061 = new Image(); var sub062 = new Image(); var sub071 = new Image(); var sub072 = new Image(); var sub081 = new Image(); var sub082 = new Image(); var sub091 = new Image(); var sub092 = new Image(); var sub101 = new Image(); var sub102 = new Image(); var sub111 = new Image(); var sub112 = new Image(); var sub121 = new Image(); var sub122 = new Image(); var sub131 = new Image(); var sub132 = new Image(); var titl1 = new Image(); var titl2 = new Image(); var subj1 = new Image(); var subj2 = new Image(); var scla1 = new Image(); var scla2 = new Image(); var side1 = new Image(); var side2 = new Image(); var sint1 = new Image(); var sint2 = new Image(); var sprv1 = new Image(); var sprv2 = new Image(); var sprw1 = new Image(); var sprw2 = new Image(); var svie1 = new Image(); var svie2 = new Image(); sub011.src = "/wgbh/nova/teachers/images03/nav_side_sub01.gif"; sub012.src = "/wgbh/nova/teachers/images03/nav_side_sub01_on.gif"; sub021.src = "/wgbh/nova/teachers/images03/nav_side_sub02.gif"; sub022.src = "/wgbh/nova/teachers/images03/nav_side_sub02_on.gif"; sub031.src = "/wgbh/nova/teachers/images03/nav_side_sub03.gif"; sub032.src = "/wgbh/nova/teachers/images03/nav_side_sub03_on.gif"; sub041.src = "/wgbh/nova/teachers/images03/nav_side_sub04.gif"; sub042.src = "/wgbh/nova/teachers/images03/nav_side_sub04_on.gif"; sub051.src = "/wgbh/nova/teachers/images03/nav_side_sub05.gif"; sub052.src = "/wgbh/nova/teachers/images03/nav_side_sub05_on.gif"; sub061.src = "/wgbh/nova/teachers/images03/nav_side_sub06.gif"; sub062.src = "/wgbh/nova/teachers/images03/nav_side_sub06_on.gif"; sub071.src = "/wgbh/nova/teachers/images03/nav_side_sub07.gif"; sub072.src = "/wgbh/nova/teachers/images03/nav_side_sub07_on.gif"; sub081.src = "/wgbh/nova/teachers/images03/nav_side_sub08.gif"; sub082.src = "/wgbh/nova/teachers/images03/nav_side_sub08_on.gif"; sub091.src = "/wgbh/nova/teachers/images03/nav_side_sub09.gif"; sub092.src = "/wgbh/nova/teachers/images03/nav_side_sub09_on.gif"; sub101.src = "/wgbh/nova/teachers/images03/nav_side_sub10.gif"; sub102.src = "/wgbh/nova/teachers/images03/nav_side_sub10_on.gif"; sub111.src = "/wgbh/nova/teachers/images03/nav_side_sub11.gif"; sub112.src = "/wgbh/nova/teachers/images03/nav_side_sub11_on.gif"; sub121.src = "/wgbh/nova/teachers/images03/nav_side_sub12.gif"; sub122.src = "/wgbh/nova/teachers/images03/nav_side_sub12_on.gif"; sub131.src = "/wgbh/nova/teachers/images03/nav_side_sub13.gif"; sub132.src = "/wgbh/nova/teachers/images03/nav_side_sub13_on.gif"; titl1.src = "/wgbh/nova/teachers/images03/nav_side_titl.gif"; titl2.src = "/wgbh/nova/teachers/images03/nav_side_titl_on.gif"; subj1.src = "/wgbh/nova/teachers/images03/nav_side_subj.gif"; subj2.src = "/wgbh/nova/teachers/images03/nav_side_subj_on.gif"; scla1.src = "/wgbh/nova/teachers/images03/nav_side_scla.gif"; scla2.src = "/wgbh/nova/teachers/images03/nav_side_scla_on.gif"; side1.src = "/wgbh/nova/teachers/images03/nav_side_side.gif"; side2.src = "/wgbh/nova/teachers/images03/nav_side_side_on.gif"; sint1.src = "/wgbh/nova/teachers/images03/nav_side_sint.gif"; sint2.src = "/wgbh/nova/teachers/images03/nav_side_sint_on.gif"; sprv1.src = "/wgbh/nova/teachers/images03/nav_side_sprv.gif"; sprv2.src = "/wgbh/nova/teachers/images03/nav_side_sprv_on.gif"; sprw1.src = "/wgbh/nova/teachers/images03/nav_side_sprw.gif"; sprw2.src = "/wgbh/nova/teachers/images03/nav_side_sprw_on.gif"; svie1.src = "/wgbh/nova/teachers/images03/nav_side_svie.gif"; svie2.src = "/wgbh/nova/teachers/images03/nav_side_svie_on.gif"; } function res_off(imgName, type) { if(document.images) document[imgName].src = eval(type + '1.src'); } function res_on(imgName, type) { if(document.images) document[imgName].src = eval(type + '2.src'); }