function preloadImages()
{
	var numOfImages = arguments.length;	
	for (var i=0; i<numOfImages; i++)
	{
		var img = new Image();
		img.src = arguments[i];
	}
}

function swapImage(imgName, imgLoc)
{
	document.images[imgName].src = imgLoc;
}

function popup(url, name, h, w, toolbars, scrollbars, centered)
{
	var winParms = "copyhistory=no,height=" + h + ",width=" + w;
	var toolbarParms = "";
	var scrollbarParms = "";
	
	if (toolbars)
		toolbarParms = "location=yes,menubar=yes,status=yes,toolbar=yes";
	else
		toolbarParms = "location=no,menubar=no,status=no,toolbar=no";
		
	if (scrollbars)
		scrollbarParms = "scrollbars=yes";
	else
		scrollbarParms = "scrollbars=no";
		
	winParms += "," + toolbarParms + "," + scrollbarParms
	var win = window.open(url, name, winParms);
	window.focus();
	if (centered) win.moveTo((screen.width - w) / 2, (screen.height - h) / 2);
	win.focus();
}

function popPic(src, title, h, w)
{
	var winParms = "copyhistory=no,location=no,menubar=no,scrollbars=no,status=no,toolbar=no";
	var winDims = "height=" + (h + 15) + ",width=" + w + ",left=" + ((screen.width - w) / 2) + ",top=" + ((screen.height - (h + 15)) / 2);
	
	var win = window.open("", "", winParms + ", " + winDims);
	win.document.open();
	win.document.writeln('<html>');
	win.document.writeln('<head>');
	win.document.writeln('<title>' + title + '</title>');
	win.document.writeln('</head>');
	win.document.writeln('<body bgcolor="black" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onblur="window.close()" onunload="window.opener.document.images[\'anim1\'].src=\'page-images/CollectorCards.gif\';window.opener.document.images[\'anim2\'].src=\'page-images/WinBig.gif\'">');
	win.document.writeln('<img src="' + src + '" height="' + h + '" width="' + w + '" alt="' + title + '"><br>');
	win.document.writeln('<center><a href="javascript:window.close()"><font style="font-family:Arial,Helvetica,sans-serif; font-size:9pt; font-weight:bold; color:white;">Close Window</font></a></center>');
	win.document.writeln('</body>');
	win.document.writeln('</html>');
	win.document.close();
	win.focus();
}

preloadImages("menu-images/what-on.jpg", "menu-images/where-on.jpg", "menu-images/whatsin-on.jpg", "menu-images/card-on.jpg", "menu-images/register-on.jpg");