function openWindow(url)
{
 	newWindow = window.open(url,"inset",'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=810,height=1010');
	
}



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) {
		img1 = newImage("pic/bk11.gif");
		img2 = newImage("pic/bk12.gif");
		img3 = newImage("pic/bk21.gif");
		img4 = newImage("pic/bk22.gif");
		img5 = newImage("pic/bk31.gif");
		img6 = newImage("pic/bk32.gif");
		img7 = newImage("pic/bk41.gif");
		img8 = newImage("pic/bk42.gif");
		img9 = newImage("pic/bk51.gif");
		img10 = newImage("pic/bk52.gif");
		img11 = newImage("pic/bk61.gif");
		img12 = newImage("pic/bk62.gif");
		menu_12 = newImage("pic/12.gif");
		menu_22 = newImage("pic/22.gif");
		menu_32 = newImage("pic/32.gif");
		menu_42 = newImage("pic/42.gif");
		menu_52 = newImage("pic/52.gif");
		preloadFlag = true;
	}
}