//
// Open popup windows
//
function openwin(url, allowscroll) {
	var properties = "'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=" + allowscroll + ",width=500,height=400,resizable=1'";
 	window.open(url,'mainwave_sub',properties);
}


//
// Pre-load rollover images
//
if (document.images) {
	var imageArray = new Array();
	imageArray[0] = new Image; imageArray[0].src = "/images/star_over.png";
	imageArray[1] = new Image; imageArray[1].src = "/images/arrow_black.png";
}