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) {
		logo= new Image(224,82)
		logo.src="img/logo.gif"
		corner= new Image(9,20)
		corner.src="img/corner.gif"
	
		corner = newImage("img/corner.gif");
		preloadFlag = true;
		
		nav_01_over = newImage("images/nav_01-over.gif");
		preloadFlag = true;
		
		nav_02_over = newImage("images/nav_02-over.gif");
		preloadFlag = true;
		
		nav_03_over = newImage("images/nav_03-over.gif");
		preloadFlag = true;
		
		nav_04_over = newImage("images/nav_04-over.gif");
		preloadFlag = true;
		
		nav_05_over = newImage("images/nav_05-over.gif");
		preloadFlag = true;
		
		nav_06_over = newImage("images/nav_06-over.gif");
		preloadFlag = true;
	}
}

function openWin(URL, name, windowWidth, windowHeight)
	{ 
	newWindow = window.open (URL,name,"width="+windowWidth+",height="+windowHeight+",scrollbars=yes,resizable=yes");
	newWindow.focus();
	}