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) {
		enter_on = newImage("images/enter_on.gif");
		mainover_04 = newImage("images/mainover_04.gif");
		mainover_05 = newImage("images/mainover_05.gif");
		mainover_06 = newImage("images/mainover_06.gif");
		mainover_07 = newImage("images/mainover_07.gif");
		mainover_08 = newImage("images/mainover_08.gif");
		mainover_09 = newImage("images/mainover_09.gif");
		mainover_10 = newImage("images/mainover_10.gif");
		mainover_11 = newImage("images/mainover_11.gif");
		mainover_12 = newImage("images/mainover_12.gif");
		mainover_15 = newImage("images/mainover_15.gif");
		preloadFlag = true;
	}
}


function newwin(url){
	window.open(url,"wind","menubar=1,status=0,toolbar=0,scrollbars=1,location=0,directories=0,width=750,height=600");
}
function newwin2(url){
	nwin = window.open(url,"wind2","menubar=0,status=0,toolbar=0,scrollbars=1,location=0,directories=0,width=600,height=520");
	nwin.focus();
}
function closeurl(url){
	window.opener.location.href=url;
	window.close();
}