sfHover = function()
{
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	var fullURL = window.location.href;
	var headerImg = document.getElementById("header_right");
	for (var i=0; i<sfEls.length; i++)
	{ //change image hover on mouse over
		sfEls[i].onmouseover=function()
		{
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function()
		{
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	
	// show tab is selected if a user browsed to the subsection & load the header image appropriate for the section
	
	if (fullURL.indexOf("newsroom") > 0) {
	//var linkEl = document.getElementById("news");
	//linkEl.className+=" over";
	headerImg.className+=" news";
	} else if (fullURL.indexOf("howwehelp") > 0) {
	//var linkEl = document.getElementById("howwehelp");
	//linkEl.className+=" over";
	headerImg.className+=" howwehelp";
	} else if (fullURL.indexOf("whatwedo/emergency/asia") > 0) {
	//var linkEl = document.getElementById("programsabroad");
	//linkEl.className+=" over";
	headerImg.className+=" asia";
	} else if (fullURL.indexOf("whatwedo/emergency/hurricane-katrina") > 0) {
	headerImg.className+=" katrina";
	} else if (fullURL.indexOf("whatwedo") > 0) {
	//var linkEl = document.getElementById("programsabroad");
	//linkEl.className+=" over";
	headerImg.className+=" programsabroad";
	} else if (fullURL.indexOf("aboutus") > 0) {
	//var linkEl = document.getElementById("aboutus");
	//linkEl.className+=" over";
	headerImg.className+="aboutus";
	} else if (fullURL.indexOf("wherewework/africa") > 0) {
	headerImg.className+=" africa";
	} else if (fullURL.indexOf("wherewework/asia") > 0) {
	headerImg.className+=" asia";
	} else if (fullURL.indexOf("wherewework/caribbean") > 0) {
	headerImg.className+=" caribbean";
	} else if (fullURL.indexOf("wherewework/latin-america") > 0) {
	headerImg.className+=" lamerica";
	} else if (fullURL.indexOf("wherewework/europe") > 0) {
	headerImg.className+=" europe";
	} else if (fullURL.indexOf("wherewework/middle-east") > 0) {
	headerImg.className+=" meast";
	} else if (fullURL.indexOf("wherewework/united-states/camp-amerikids") > 0) {
	headerImg.className+=" camp";
	} else if (fullURL.indexOf("wherewework/united-states/americares-homefront") > 0) {
	headerImg.className+=" homefront";
	} else if (fullURL.indexOf("wherewework/united-states/americares-free-clinics") > 0) {
	headerImg.className+=" freeclinics";
	} else if (fullURL.indexOf("wherewework/united-states/pap") > 0) {
	headerImg.className+=" pap";
	} else if (fullURL.indexOf("wherewework") > 0) {
	var linkEl = document.getElementById("programsathome");
	linkEl.className+=" over";
	headerImg.className+=" programsathome";
	} else if ( (fullURL.indexOf("newsroom") == -1) && (fullURL.indexOf("howwehelp") == -1) && (fullURL.indexOf("whatwedo") == -1) && (fullURL.indexOf("aboutus") == -1) && (fullURL.indexOf("wherewework") == -1) )	{
	headerImg.className+=" generic";
	}
}



if (window.attachEvent) {window.attachEvent("onload", sfHover);}
else { addLoadEvent(sfHover); }