var currentMenuTimeoutID;
var currentMenu;

//Preload images
	if (document.images) {
		//Over
		AboutOA_Over = new Image();
		AboutOA_Over.src = 'images/tab2_subhead1.gif';
		AboutEuflexxa_Over = new Image();
		AboutEuflexxa_Over.src = 'images/tab3_subhead2.gif';
		ResourceCenter_Over = new Image();
		ResourceCenter_Over.src = 'images/tab4_subhead3.gif';
		Home_Over = new Image();
		Home_Over.src = 'images/tab6_home.gif';
		tab20_subhead1_Over = new Image ();
		tab20_subhead1_Over.src = 'images/about_oa_011.gif';
		tab20_subhead2_Over = new Image ();
		tab20_subhead2_Over.src = 'images/about_oa_021.gif';
		tab20_subhead3_Over = new Image ();
		tab20_subhead3_Over.src = 'images/about_oa_031.gif';
		tab20_subhead4_Over = new Image ();
		tab20_subhead4_Over.src = 'images/about_oa_041.gif';
		tab20_subhead5_Over = new Image ();
		tab20_subhead5_Over.src = 'images/about_euf_011.gif';
		tab20_subhead6_Over = new Image ();
		tab20_subhead6_Over.src = 'images/about_euf_021.gif';
		tab20_subhead7_Over = new Image ();
		tab20_subhead7_Over.src = 'images/about_euf_031.gif';
		tab20_subhead8_Over = new Image ();
		tab20_subhead8_Over.src = 'images/resource_011.gif';
		tab20_subhead9_Over = new Image ();
		tab20_subhead9_Over.src = 'images/resource_021.gif';
		tab20_subhead10_Over = new Image ();
		tab20_subhead10_Over.src = 'images/resource_031.gif';
		tab20_subhead11_Over = new Image ();
		tab20_subhead11_Over.src = 'images/resource_041.gif';
		

		//Out
		AboutOA_Out = new Image();
		AboutOA_Out.src = 'images/tab2_subhead1.gif';
		AboutEuflexxa_Out = new Image();
		AboutEuflexxa_Out.src = 'images/tab3_subhead2.gif';
		ResourceCenter_Out = new Image();
		ResourceCenter_Out.src = 'images/tab4_subhead3.gif';
		Home_Out = new Image();
		Home_Out.src = 'images/tab6_home.gif';	
		tab20_subhead1_Out = new Image ();
		tab20_subhead1_Out.src = 'images/about_oa_010.gif';
		tab20_subhead2_Out = new Image ();
		tab20_subhead2_Out.src = 'images/about_oa_020.gif';
		tab20_subhead3_Out = new Image ();
		tab20_subhead3_Out.src = 'images/about_oa_030.gif';
		tab20_subhead4_Out = new Image ();
		tab20_subhead4_Out.src = 'images/about_oa_040.gif';
		tab20_subhead5_Out = new Image ();
		tab20_subhead5_Out.src = 'images/about_euf_010.gif';
		tab20_subhead6_Out = new Image ();
		tab20_subhead6_Out.src = 'images/about_euf_020.gif';
		tab20_subhead7_Out = new Image ();
		tab20_subhead7_Out.src = 'images/about_euf_030.gif';
		tab20_subhead8_Out = new Image ();
		tab20_subhead8_Out.src = 'images/resource_010.gif';
		tab20_subhead9_Out = new Image ();
		tab20_subhead9_Out.src = 'images/resource_020.gif';
		tab20_subhead10_Out = new Image ();
		tab20_subhead10_Out.src = 'images/resource_030.gif';
		tab20_subhead11_Out = new Image ();
		tab20_subhead11_Out.src = 'images/resource_040.gif';


	}
	
	function SwapImage_Over(sValue) {
		if (sValue != currentSection) {
			if (currentMenu) {
				clearTimeout(currentMenuTimeoutID);
				SwapImage_Out_TimeOut(currentMenu);
				currentMenu = null;
				currentMenuTimeoutID = null;
			}
			if (currentSection && sValue != "Home") {
				SwapImage_Out_TimeOut(currentSection);
			}
			if (document.images) {
				if (sValue != "Home") {
					document.getElementById("ResourceCenter_subnav").style.display = 'none';				
					document.getElementById("AboutOA_subnav").style.display = 'none';
					document.getElementById("AboutEuflexxa_subnav").style.display = 'none';
					document.getElementById(sValue + "_subnav").style.display = 'inline';
				}
				eval("document." + sValue + ".src = " + sValue + "_Over.src;");
			}
			currentMenu = sValue;
		}
	}

	function SwapImage_On(sValue) {
						eval("document." + sValue + ".src = " + sValue + "_Over.src;");
	}

	function SwapImage_Off(sValue) {
								eval("document." + sValue + ".src = " + sValue + "_Out.src;");
	}

	function SwapImage_Out(sValue) {
		if (sValue != currentSection) {
			currentMenuTimeoutID = setTimeout("SwapImage_Out_TimeOut('" + sValue + "')", 1000);
		}
	}


	function SwapImage_Out_TimeOut(sValue) {
		if (document.images) {
			document.getElementById("ResourceCenter_subnav").style.display = 'none';		
			document.getElementById("AboutOA_subnav").style.display = 'none';
			document.getElementById("AboutEuflexxa_subnav").style.display = 'none';
			
			if (currentSection != "") {
				document.getElementById(currentSection + "_subnav").style.display = 'inline';			
				eval("document." + currentSection + ".src = " + currentSection + "_Over.src;");
			}

			eval("document." + sValue + ".src = " + sValue + "_Out.src;");
		}
	}

	function SwapImage_Kill(sValue) {
		if (sValue != currentSection) {
			currentMenuTimeoutID = setTimeout("SwapImage_Kill_TimeOut('" + sValue + "')", 1000);
		}
	}


	function SwapImage_Kill_TimeOut(sValue) {
		if (document.images) {
					switch (sValue) {
					case "ResourceCenter": 
						document.getElementById("ResourceCenter_subnav").style.display = 'none';				
						break;
					case "AboutOA": 
						document.getElementById("AboutOA_subnav").style.display = 'none';
						break;
					case "AboutEuflexxa":		
						document.getElementById("AboutEuflexxa_subnav").style.display = 'none';
						break;
					default:
						document.getElementById("ResourceCenter_subnav").style.display = 'none';				
						document.getElementById("AboutOA_subnav").style.display = 'none';
						document.getElementById("AboutEuflexxa_subnav").style.display = 'none';
						break;
						}
						

			eval("document." + sValue + ".src = " + sValue + "_kill.src;");
		}
	}