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) {
		home_01_over = newImage("home2.gif");
		libs_01_over = newImage("libs2.gif");
		cart_01_over = newImage("cart2.gif");
		account_01_over = newImage("account2.gif");
		help_01_over = newImage("help2.gif");
		preloadFlag = true;
	}
}


function FormatCurrency(str1)
	{
		// pad price if necessary
		var szTemp = new String(str1);
		if(szTemp.indexOf(".") == -1)
			szTemp += ".00";
		var szDollars = new String(szTemp.substring(0, szTemp.indexOf(".")));
		var szCents = new String(szTemp.substring(szTemp.indexOf(".")));
		
		switch(szDollars.length)
		{
			case 4:
				szDollars = szDollars.charAt(0) + "," + szDollars.substring(1);
				break;
			case 5:
				szDollars = szDollars.substring(0, 2) + "," + szDollars.substring(2);
				break;
			case 6:
				szDollars = szDollars.substring(0, 3) + "," + szDollars.substring(3);
				break;
			case 7:
				szDollars = szDollars.substring(0, 4) + "," + szDollars.substring(4);
				break;
			case 8:
				szDollars = szDollars.substring(0, 5) + "," + szDollars.substring(5);
				break;
			case 9:
				szDollars = szDollars.substring(0, 6) + "," + szDollars.substring(6);
				break;
		}
		szTemp = szDollars + szCents;
		if(szTemp.charAt(0) == ".")
			szTemp = "0" + szTemp;
		if(szTemp.indexOf(".") + 2 == szTemp.length)
			szTemp = szTemp + "0";
		if(szTemp.indexOf(".") == -1)
			szTemp += ".00";
		szTemp = szTemp.substring(0, szTemp.indexOf(".") + 3) 
		return szTemp;
	}