function popUp(url, width, height)
{
	var scrollbars = '1';

	window.open(url, '', 'toolbar=0,location=0,directories=0,status=0,menubar=0,resizable=0,scrollbars=' + scrollbars + ',width=' + width + ',height=' + height);
}

function preloadImage() {
	var img = new Image();

	for(var i = 0; i < arguments.length; i++)
		img.src = arguments[i];
}