/***********************************************************
** FILE    : imageswap.js
** SUMMARY : precaching images and image rollover code.
**
***********************************************************/

//------------------ precaching images
if(document.images)
{
	var imgInactive = new Array();
	// hdr navigation w/out gradient -> inactive
	imgInactive["contact"] = new Image(98,15);
	imgInactive["contact"].src = "images/hdr_nav_contact.gif";
	imgInactive["events"] = new Image(98,15);
	imgInactive["events"].src = "images/hdr_nav_events.gif";
	imgInactive["sspe"] = new Image(98,15);
	imgInactive["sspe"].src = "images/hdr_nav_events.gif";
	imgInactive["sitemap"] = new Image(98,15);
	imgInactive["sitemap"].src = "images/hdr_nav_sitemap.gif";
	imgInactive["search"] = new Image(98,15);
	imgInactive["search"].src = "images/hdr_nav_search.gif";
	// hdr navigation w/ gradient -> inactive
/*	imgInactive["gContact"] = new Image(100,16);
	imgInactive["gContact"].src = "images/hdr_gNav_contact.gif";
	imgInactive["gEvents"] = new Image(100,16);
	imgInactive["gEvents"].src = "images/hdr_gNav_events.gif";
	imgInactive["gSspe"] = new Image(100,16);
	imgInactive["gSspe"].src = "images/hdr_gNav_events.gif";
	imgInactive["gSitemap"] = new Image(100,16);
	imgInactive["gSitemap"].src = "images/hdr_gNav_sitemap.gif";
	imgInactive["gSearch"] = new Image(100,17);
	imgInactive["gSearch"].src = "images/hdr_gNav_search.gif";
*/
	// main navigation -> inactive
	imgInactive["home"] = new Image(204,17);
	imgInactive["home"].src = "images/nav_home.gif";
	imgInactive["why"] = new Image(204,19);
	imgInactive["why"].src = "images/nav_whysmall.gif";
	imgInactive["starting"] = new Image(204,19);
	imgInactive["starting"].src = "images/nav_starting.gif";
	imgInactive["teaching"] = new Image(204,19);
	imgInactive["teaching"].src = "images/nav_teaching.gif";
	imgInactive["action"] = new Image(204,19);
	imgInactive["action"].src = "images/nav_action.gif";
	imgInactive["tools"] = new Image(204,19);
	imgInactive["tools"].src = "images/nav_tools.gif";
	imgInactive["resources"] = new Image(204,19);
	imgInactive["resources"].src = "images/nav_resources.gif";
	imgInactive["about"] = new Image(204,19);
	imgInactive["about"].src = "images/nav_about.gif";
	imgInactive["whatsnew"] = new Image(204,19);
	imgInactive["whatsnew"].src = "images/nav_whatsnew.gif";
	imgInactive["coaches"] = new Image(204,33);
	imgInactive["coaches"].src = "images/nav_coaches.gif";
	
	imgInactive["home_whysmall"] = new Image(204,17);
	imgInactive["home_whysmall"].src = "images/nav_top_whysmall.gif";
	imgInactive["home_start"] = new Image(204,17);
	imgInactive["home_start"].src = "images/nav_top_start.gif";
	imgInactive["home_smallschools"] = new Image(204,17);
	imgInactive["home_smallschools"].src = "images/nav_top_smallschools.gif";
	imgInactive["home_tool"] = new Image(204,17);
	imgInactive["home_tool"].src = "images/nav_top_tool.gif";
	imgInactive["home_resource"] = new Image(204,17);
	imgInactive["home_resource"].src = "images/nav_top_resource.gif";
	imgInactive["home_aboutus"] = new Image(204,17);
	imgInactive["home_aboutus"].src = "images/nav_top_aboutus.gif";
	imgInactive["home_whatsnew"] = new Image(204,17);
	imgInactive["home_whatsnew"].src = "images/nav_top_whatsnew.gif";
	imgInactive["home_coaches"] = new Image(204,17);
	imgInactive["home_coaches"].src = "images/nav_top_coaches.gif";
	imgInactive["home_contact"] = new Image(204,17);
	imgInactive["home_contact"].src = "images/nav_top_contact.gif";
	imgInactive["home_events"] = new Image(204,17);
	imgInactive["home_events"].src = "images/nav_top_events.gif";
	imgInactive["home_sspe"] = new Image(204,17);
	imgInactive["home_sspe"].src = "images/nav_top_events.gif";
	imgInactive["home_sitemap"] = new Image(204,17);
	imgInactive["home_sitemap"].src = "images/nav_top_sitemap.gif";
	imgInactive["home_search"] = new Image(204,17);
	imgInactive["home_search"].src = "images/nav_top_search.gif";
	
	// subnavigation -> inactive
	imgInactive["whyOverview"] = new Image(242,18);
	imgInactive["whyOverview"].src = "images/subnav_whyOverview.gif";
	imgInactive["startOverview"] = new Image(242,18);
	imgInactive["startOverview"].src = "images/subnav_startOverview.gif";
	imgInactive["teachOverview"] = new Image(242,18);
	imgInactive["teachOverview"].src = "images/subnav_teachOverview.gif";
	imgInactive["smallOverview"] = new Image(242,18);
	imgInactive["smallOverview"].src = "images/subnav_smallOverview.gif";
	imgInactive["toolOverview"] = new Image(242,18);
	imgInactive["toolOverview"].src = "images/subnav_toolOverview.gif";
	imgInactive["resOverview"] = new Image(242,18);
	imgInactive["resOverview"].src = "images/subnav_resOverview.gif";
	imgInactive["aboutOverview"] = new Image(242,18);
	imgInactive["aboutOverview"].src = "images/subnav_aboutOverview.gif";
	imgInactive["whatss"] = new Image(242,18);
	imgInactive["whatss"].src = "images/subnav_whatss.gif";
	imgInactive["achieve"] = new Image(242,18);
	imgInactive["achieve"].src = "images/subnav_achieve.gif";
	imgInactive["personal"] = new Image(242,18);
	imgInactive["personal"].src = "images/subnav_personal.gif";
	imgInactive["cost"] = new Image(242,18);
	imgInactive["cost"].src = "images/subnav_cost.gif";
	imgInactive["safety"] = new Image(242,18);
	imgInactive["safety"].src = "images/subnav_safety.gif";
	imgInactive["other"] = new Image(242,18);
	imgInactive["other"].src = "images/subnav_other.gif";
	imgInactive["change"] = new Image(242,18);
	imgInactive["change"].src = "images/subnav_change.gif";
	imgInactive["large"] = new Image(242,18);
	imgInactive["large"].src = "images/subnav_large.gif";
	imgInactive["newsmall"] = new Image(242,18);
	imgInactive["newsmall"].src = "images/subnav_newsmall.gif";
	imgInactive["state"] = new Image(242,18);
	imgInactive["state"].src = "images/subnav_state.gif";
	imgInactive["adult"] = new Image(242,18);
	imgInactive["adult"].src = "images/subnav_adult.gif";
	imgInactive["schedule"] = new Image(242,18);
	imgInactive["schedule"].src = "images/subnav_schedule.gif";
	imgInactive["facilities"] = new Image(242,18);
	imgInactive["facilities"].src = "images/subnav_facilities.gif";
	imgInactive["whatwe"] = new Image(242,18);
	imgInactive["whatwe"].src = "images/subnav_whatwe.gif";
	imgInactive["inwa"] = new Image(242,18);
	imgInactive["inwa"].src = "images/subnav_inwa.gif";
	imgInactive["across"] = new Image(242,18);
	imgInactive["across"].src = "images/subnav_across.gif";
	imgInactive["cando"] = new Image(242,18);
	imgInactive["cando"].src = "images/subnav_cando.gif";
	imgInactive["get"] = new Image(242,18);
	imgInactive["get"].src = "images/subnav_get.gif";
	imgInactive["classroom"] = new Image(242,18);
	imgInactive["classroom"].src = "images/subnav_classroom.gif";
	imgInactive["look"] = new Image(242,18);
	imgInactive["look"].src = "images/subnav_look.gif";
	imgInactive["build"] = new Image(242,18);
	imgInactive["build"].src = "images/subnav_build.gif";
	imgInactive["collect"] = new Image(242,18);
	imgInactive["collect"].src = "images/subnav_collect.gif";
	imgInactive["facil"] = new Image(242,18);
	imgInactive["facil"].src = "images/subnav_facil.gif";
	imgInactive["protocols"] = new Image(242,18);
	imgInactive["protocols"].src = "images/subnav_protocols.gif";
	imgInactive["public"] = new Image(242,18);
	imgInactive["public"].src = "images/subnav_public.gif";
	imgInactive["articles"] = new Image(242,18);
	imgInactive["articles"].src = "images/subnav_articles.gif";
	imgInactive["meetings"] = new Image(242,18);
	imgInactive["meetings"].src = "images/subnav_meetings.gif";
	imgInactive["gates"] = new Image(242,18);
	imgInactive["gates"].src = "images/subnav_gates.gif";
	imgInactive["otherorgs"] = new Image(242,18);
	imgInactive["otherorgs"].src = "images/subnav_otherorgs.gif";
	imgInactive["who"] = new Image(242,18);
	imgInactive["who"].src = "images/subnav_who.gif";
	imgInactive["coachescol"] = new Image(242,18);
	imgInactive["coachescol"].src = "images/subnav_coachescol.gif";
	imgInactive["staff"] = new Image(242,18);
	imgInactive["staff"].src = "images/subnav_staff.gif";
	imgInactive["employ"] = new Image(242,18);
	imgInactive["employ"].src = "images/subnav_employ.gif";
	imgInactive["directions"] = new Image(242,18);
	imgInactive["directions"].src = "images/subnav_directions.gif";
	imgInactive["stories-adult-learning"] = new Image(242,18);
	imgInactive["stories-adult-learning"].src = "images/subnav_stories-adult-learning.gif";
	imgInactive["picturingposs"] = new Image(242,18);
	imgInactive["picturingposs"].src = "images/subnav_picturingposs.gif";
	imgInactive["pbl"] = new Image(242,18);
	imgInactive["pbl"].src = "images/subnav_pbl.gif";
	
	var imgActive = new Array();
	// hdr navigation -> active
	imgActive["contact"] = new Image(98, 15);
	imgActive["contact"].src = "images/hdr_nav_contact_act.gif";
	imgActive["events"] = new Image(98, 15);
	imgActive["events"].src = "images/hdr_nav_events_act.gif";
	imgActive["sspe"] = new Image(98, 15);
	imgActive["sspe"].src = "images/hdr_nav_events_act.gif";
	imgActive["sitemap"] = new Image(98, 15);
	imgActive["sitemap"].src = "images/hdr_nav_sitemap_act.gif";
	imgActive["search"] = new Image(98, 15);
	imgActive["search"].src = "images/hdr_nav_search_act.gif";
	// hdr navigation w/ gradient -> active
/*	Scott Bush - gradient nav images not used, but slowing down page loads.
	imgActive["gContact"] = new Image(100,16);
	imgActive["gContact"].src = "images/hdr_gNav_contact_act.gif";
	imgActive["gEvents"] = new Image(100,16);
	imgActive["gEvents"].src = "images/hdr_gNav_events_act.gif";
	imgActive["gSspe"] = new Image(100,16);
	imgActive["gSspe"].src = "images/hdr_gNav_events_act.gif";
	imgActive["gSitemap"] = new Image(100,16);
	imgActive["gSitemap"].src = "images/hdr_gNav_sitemap_act.gif";
	imgActive["gSearch"] = new Image(100,17);
	imgActive["gSearch"].src = "images/hdr_gNav_search_act.gif";
*/
	// main navigation -> active
	imgActive["home"] = new Image(204,17);
	imgActive["home"].src = "images/nav_home_act.gif";
	imgActive["why"] = new Image(204,19);
	imgActive["why"].src = "images/nav_whysmall_act.gif";
	imgActive["teaching"] = new Image(204,19);
	imgActive["teaching"].src = "images/nav_teaching_act.gif";
	imgActive["starting"] = new Image(204,19);
	imgActive["starting"].src = "images/nav_starting_act.gif";
	imgActive["action"] = new Image(204,19);
	imgActive["action"].src = "images/nav_action_act.gif";
	imgActive["tools"] = new Image(204,19);
	imgActive["tools"].src = "images/nav_tools_act.gif";
	imgActive["resources"] = new Image(204,19);
	imgActive["resources"].src = "images/nav_resources_act.gif";
	// added by Scott Bush on 13 Jan. 05
	imgActive["teaching_text"] = new Image(204,44);
	imgActive["teaching_text"].src = "images/nav_txt_teaching.gif";
	// end added item
	imgActive["about"] = new Image(204,19);
	imgActive["about"].src = "images/nav_about_act.gif";
	imgActive["whatsnew"] = new Image(204,19);
	imgActive["whatsnew"].src = "images/nav_whatsnew_act.gif";
	imgActive["coaches"] = new Image(204,33);
	imgActive["coaches"].src = "images/nav_coaches_act.gif";
	
	imgActive["home_whysmall"] = new Image(204,17);
	imgActive["home_whysmall"].src = "images/nav_top_whysmall_act.gif";
	imgActive["home_start"] = new Image(204,17);
	imgActive["home_start"].src = "images/nav_top_start_act.gif";
	imgActive["home_smallschools"] = new Image(204,17);
	imgActive["home_smallschools"].src = "images/nav_top_smallschools_act.gif";
	imgActive["home_tool"] = new Image(204,17);
	imgActive["home_tool"].src = "images/nav_top_tool_act.gif";
	imgActive["home_resource"] = new Image(204,17);
	imgActive["home_resource"].src = "images/nav_top_resource_act.gif";
	imgActive["home_aboutus"] = new Image(204,17);
	imgActive["home_aboutus"].src = "images/nav_top_aboutus_act.gif";
	imgActive["home_whatsnew"] = new Image(204,17);
	imgActive["home_whatsnew"].src = "images/nav_top_whatsnew_act.gif";
	imgActive["home_coaches"] = new Image(204,17);
	imgActive["home_coaches"].src = "images/nav_top_coaches_act.gif";
	imgActive["home_contact"] = new Image(204,17);
	imgActive["home_contact"].src = "images/nav_top_contact_act.gif";
	imgActive["home_events"] = new Image(204,17);
	imgActive["home_events"].src = "images/nav_top_events_act.gif";
	imgActive["home_sspe"] = new Image(204,17);
	imgActive["home_sspe"].src = "images/nav_top_events_act.gif";
	imgActive["home_sitemap"] = new Image(204,17);
	imgActive["home_sitemap"].src = "images/nav_top_sitemap_act.gif";
	imgActive["home_search"] = new Image(204,17);
	imgActive["home_search"].src = "images/nav_top_search_act.gif";
	
	// subnavigation -> active
	imgActive["whyOverview"] = new Image(242,18);
	imgActive["whyOverview"].src = "images/subnav_whyOverview_act.gif";
	imgActive["startOverview"] = new Image(242,18);
	imgActive["startOverview"].src = "images/subnav_startOverview_act.gif";
	imgActive["teachOverview"] = new Image(242,18);
	imgActive["teachOverview"].src = "images/subnav_teachOverview_act.gif";
	imgActive["smallOverview"] = new Image(242,18);
	imgActive["smallOverview"].src = "images/subnav_smallOverview_act.gif";
	imgActive["toolOverview"] = new Image(242,18);
	imgActive["toolOverview"].src = "images/subnav_toolOverview_act.gif";
	imgActive["resOverview"] = new Image(242,18);
	imgActive["resOverview"].src = "images/subnav_resOverview_act.gif";
	imgActive["aboutOverview"] = new Image(242,18);
	imgActive["aboutOverview"].src = "images/subnav_aboutOverview_act.gif";
	imgActive["whatss"] = new Image(242,18);
	imgActive["whatss"].src = "images/subnav_whatss_act.gif";
	imgActive["achieve"] = new Image(242,18);
	imgActive["achieve"].src = "images/subnav_achieve_act.gif";
	imgActive["personal"] = new Image(242,18);
	imgActive["personal"].src = "images/subnav_personal_act.gif";
	imgActive["cost"] = new Image(242,18);
	imgActive["cost"].src = "images/subnav_cost_act.gif";
	imgActive["safety"] = new Image(242,18);
	imgActive["safety"].src = "images/subnav_safety_act.gif";
	imgActive["other"] = new Image(242,18);
	imgActive["other"].src = "images/subnav_other_act.gif";
	imgActive["change"] = new Image(242,18);
	imgActive["change"].src = "images/subnav_change_act.gif";
	imgActive["large"] = new Image(242,18);
	imgActive["large"].src = "images/subnav_large_act.gif";
	imgActive["newsmall"] = new Image(242,18);
	imgActive["newsmall"].src = "images/subnav_newsmall_act.gif";
	imgActive["state"] = new Image(242,18);
	imgActive["state"].src = "images/subnav_state_act.gif";
	imgActive["adult"] = new Image(242,18);
	imgActive["adult"].src = "images/subnav_adult_act.gif";
	imgActive["schedule"] = new Image(242,18);
	imgActive["schedule"].src = "images/subnav_schedule_act.gif";
	imgActive["facilities"] = new Image(242,18);
	imgActive["facilities"].src = "images/subnav_facilities_act.gif";
	imgActive["whatwe"] = new Image(242,18);
	imgActive["whatwe"].src = "images/subnav_whatwe_act.gif";
	imgActive["inwa"] = new Image(242,18);
	imgActive["inwa"].src = "images/subnav_inwa_act.gif";
	imgActive["across"] = new Image(242,18);
	imgActive["across"].src = "images/subnav_across_act.gif";
	imgActive["cando"] = new Image(242,18);
	imgActive["cando"].src = "images/subnav_cando_act.gif";
	imgActive["get"] = new Image(242,18);
	imgActive["get"].src = "images/subnav_get_act.gif";
	imgActive["classroom"] = new Image(242,18);
	imgActive["classroom"].src = "images/subnav_classroom_act.gif";
	imgActive["look"] = new Image(242,18);
	imgActive["look"].src = "images/subnav_look_act.gif";
	imgActive["build"] = new Image(242,18);
	imgActive["build"].src = "images/subnav_build_act.gif";
	imgActive["collect"] = new Image(242,18);
	imgActive["collect"].src = "images/subnav_collect_act.gif";
	imgActive["facil"] = new Image(242,18);
	imgActive["facil"].src = "images/subnav_facil_act.gif";
	imgActive["protocols"] = new Image(242,18);
	imgActive["protocols"].src = "images/subnav_protocols_act.gif";
	imgActive["public"] = new Image(242,18);
	imgActive["public"].src = "images/subnav_public_act.gif";
	imgActive["articles"] = new Image(242,18);
	imgActive["articles"].src = "images/subnav_articles_act.gif";
	imgActive["meetings"] = new Image(242,18);
	imgActive["meetings"].src = "images/subnav_meetings_act.gif";
	imgActive["gates"] = new Image(242,18);
	imgActive["gates"].src = "images/subnav_gates_act.gif";
	imgActive["otherorgs"] = new Image(242,18);
	imgActive["otherorgs"].src = "images/subnav_otherorgs_act.gif";
	imgActive["who"] = new Image(242,18);
	imgActive["who"].src = "images/subnav_who_act.gif";
	imgActive["coachescol"] = new Image(242,18);
	imgActive["coachescol"].src = "images/subnav_coachescol_act.gif";
	imgActive["staff"] = new Image(242,18);
	imgActive["staff"].src = "images/subnav_staff_act.gif";
	imgActive["employ"] = new Image(242,18);
	imgActive["employ"].src = "images/subnav_employ_act.gif";
	imgActive["directions"] = new Image(242,18);
	imgActive["directions"].src = "images/subnav_directions_act.gif";
	imgActive["stories-adult-learning"] = new Image(242,18);
	imgActive["stories-adult-learning"].src = "images/subnav_stories-adult-learning_act.gif";
	imgActive["picturingposs"] = new Image(242,18);
	imgActive["picturingposs"].src = "images/subnav_picturingposs_act.gif";
	imgActive["pbl"] = new Image(242,18);
	imgActive["pbl"].src = "images/subnav_pbl_act.gif";
	
	// nav text -> active
	imgActive["class_text"] = new Image(204,44);
	imgActive["class_text"].src = "images/nav_txt_classroom.gif";
	imgActive["concept_text"] = new Image(204,44);
	imgActive["concept_text"].src = "images/nav_txt_concept.gif";
	imgActive["need_text"] = new Image(204,44);
	imgActive["need_text"].src = "images/nav_txt_need.gif";
	imgActive["schools_text"] = new Image(204,44);
	imgActive["schools_text"].src = "images/nav_txt_schools.gif";
	imgActive["who_text"] = new Image(204,44);
	imgActive["who_text"].src = "images/nav_txt_who.gif";
	imgActive["pub_text"] = new Image(204,44);
	imgActive["pub_text"].src = "images/nav_txt_publications.gif";
	imgActive["default"] = new Image(204,44);
	imgActive["default"].src = "images/nav_txt_default.gif";
	imgActive["wnew_text"] = new Image(204,44);
	imgActive["wnew_text"].src = "images/nav_txt_new.gif";
	imgActive["ches_text"] = new Image(204,44);
	imgActive["ches_text"].src = "images/nav_txt_coaches.gif";
	imgActive["blank"] = new Image(204,44);
	imgActive["blank"].src = "images/nav_txt_blank.gif";
};

//------------------ image swap function
function imgSwap(imgName, type)
{
	if(document.images)
	{
		if(type == "active")
		{
			document.images[imgName].src = imgActive[imgName].src;
			return true;
		}
		else if(type == "inactive")
		{
			document.images[imgName].src = imgInactive[imgName].src;
			return true;
		}
		else if(type == "text")
		{
			document.images["navtext"].src = imgActive[imgName].src;
			return true;
		}
	}
	return false;
};