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];
		}
	}
}

function openWin(url, name) 
{
popupWin = window.open(url, name,
"scrollbars=yes,resizable=yes,width=550,height=400,top=0,left=0");
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		prc_toptxt_01_over = newImage("prc-toptxt_01-over.gif");
		prc_toptxt_02_over = newImage("prc-toptxt_02-over.gif");
		prc_toptxt_03_over = newImage("prc-toptxt_03-over.gif");
		prc_toptxt_04_over = newImage("prc-toptxt_04-over.gif");
		prc_toptxt_05_over = newImage("prc-toptxt_05-over.gif");
		prc_toptxt_06_over = newImage("prc-toptxt_06-over.gif");
		preloadFlag = true;
	}
}