function dopreLoad(){
// swapBoxes(1);

if (document.images) {
// PRE-LOAD NON-DEFAULT TABS, ETC.	
	img1 = new Image();
    img1.src = "images/tabs/aboutus_on.gif";
	
	img2 = new Image();
    img2.src = "images/tabs/aboutus_off.gif";
	
	img3 = new Image();
    img3.src = "images/homepage/tab_news_off.gif";
	
	img4 = new Image();
    img4.src = "images/homepage/tab_news_on.gif";
	
	img5 = new Image();
	img5.src = "images/tabs/featpromo_on.gif"
	
	img6 = new Image();
	img6.src = "images/tabs/featpromo_off.gif"
	
	/*
	img5 = new Image();
    img5.src = "images/tabs/justin_on.gif";
	
	img6 = new Image();
    img6.src = "images/tabs/justin_off.gif";
	
	img7 = new Image();
    img7.src = "images/tabs/hlines_on.gif";
	
	img8 = new Image();
    img8.src = "images/tabs/hlines_off.gif";
	
	img9 = new Image();
    img9.src = "images/homepage/site-arrow-down.gif";
	
	img10 = new Image();
    img10.src = "images/homepage/site-arrow-up.gif";	
	*/
	
} 

//loopMe(1);
//loopLeader(1);
createMenu();
}

//
/*
function loopMe(theVal){
myVal = theVal;


if (myVal ==1){
        document.getElementById("play_systems").style.visibility = "visible";
		document.getElementById("components").style.visibility = "hidden";
		document.getElementById("events").style.visibility = "hidden";
		document.getElementById("site").style.visibility = "hidden";
}
if (myVal ==2){
        document.getElementById("play_systems").style.visibility = "hidden";
		document.getElementById("components").style.visibility = "visible";
		document.getElementById("events").style.visibility = "hidden";
		document.getElementById("site").style.visibility = "hidden";
}
if (myVal ==3){
        document.getElementById("play_systems").style.visibility = "hidden";
		document.getElementById("components").style.visibility = "hidden";
		document.getElementById("events").style.visibility = "visible";
		document.getElementById("site").style.visibility = "hidden";
}
if (myVal ==4){
        document.getElementById("play_systems").style.visibility = "hidden";
		document.getElementById("components").style.visibility = "hidden";
		document.getElementById("events").style.visibility = "hidden";
		document.getElementById("site").style.visibility = "visible";
}


if (myVal < 4){
	myVal++;
	}
	else{
	myVal = 1;
	}
	
setTimeout("loopMe("+myVal+");",4000); 
}

//
function loopLeader(theVal){
myVal = theVal;


if (myVal ==1){
        document.getElementById("catalog_block").style.visibility = "visible";
		document.getElementById("75year_block").style.visibility = "hidden";

}
if (myVal ==2){
        document.getElementById("catalog_block").style.visibility = "hidden";
		document.getElementById("75year_block").style.visibility = "visible";

}


// -------------------
if (myVal < 2){
	myVal++;
	}
	else{
	myVal = 1;
	}
	
setTimeout("loopLeader("+myVal+");",10000); 
}



//
function swapFeature(showLayer,hideLayer,onTab,offTab){

document.getElementById(""+hideLayer+"").style.display = "none";
document.getElementById(""+showLayer+"").style.display = "inline";

var onSrc = "images/tabs/"+onTab+"_on.gif"
var offSrc = "images/tabs/"+offTab+"_off.gif"

document.images[""+onTab+""].src = onSrc;
document.images[""+offTab+""].src = offSrc;

}

function swapNews(showLayer,hideLayer1,hideLayer2,onTab,offTab1,offTab2){
document.getElementById(""+hideLayer1+"").style.visibility = "hidden";
document.getElementById(""+hideLayer2+"").style.visibility = "hidden";
document.getElementById(""+showLayer+"").style.visibility = "visible";

var onSrc = "images/tabs/"+onTab+"_on.gif"
var offSrc1 = "images/tabs/"+offTab1+"_off.gif"
var offSrc2 = "images/tabs/"+offTab2+"_off.gif"

document.images[""+onTab+""].src = onSrc;
document.images[""+offTab1+""].src = offSrc1;
document.images[""+offTab2+""].src = offSrc2;

}
*/

function goMap(theswitch){

	var theLayer = "sitemap";

	if (theswitch == "on"){
	document.getElementById(""+theLayer+"").style.visibility = "visible";
	document.getElementById(""+theLayer+"").style.position = "relative";
	document.getElementById("sitemaplink").innerHTML = "<a href=javascript:; onClick=goMap('off'); class=baselink_blue><strong>Hide Site Map</strong></a> <img src='images/homepage/site-arrow-up.gif' width='5' height='5' align='absmiddle'>";
	}
	
	if (theswitch == "off"){
	document.getElementById(""+theLayer+"").style.visibility = "hidden";
	document.getElementById(""+theLayer+"").style.position = "absolute";
	document.getElementById(""+theLayer+"").style.top = "0px";
	document.getElementById(""+theLayer+"").style.left = "0px";
	document.getElementById("sitemaplink").innerHTML = "<a href=javascript:; onClick=goMap('on'); class=baselink_blue><strong>Site Map</strong></a> <img src='images/homepage/site-arrow-down.gif' width='5' height='5' align='absmiddle'>";
	}

}