function rollOver(elem, newSrc){
	elem.src = newSrc;
}

function showLink(elem){
	document.getElementById(elem).className='subNavLinks2';
}

function hideLink(elem){
	document.getElementById(elem).className='subNavLinks';
}

function new_window(url) {
	window.open(url,"Link","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=1010,height=738,left=0,top=0," );
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		market_03_over = newImage("images/market_03-over.gif");
		market_04_over = newImage("images/market_04-over.gif");
		market_05_over = newImage("images/market_05-over.gif");
		market_06_over = newImage("images/market_06-over.gif");
		market_07_over = newImage("images/market_07-over.gif");
		market_08_over = newImage("images/market_08-over.gif");
		preloadFlag = true;
	}
}