// JavaScript Document
	function openWindow(file,w,h,scrollb) {
		var props = ""
			props += "width=" + w + ", "
			props += "height=" + h + ", "
			if(scrollb != ''){
				props += "scrollbars=" + scrollb + ", "
			}
			else{
				props += "scrollbars=no, "
			}
			props += "top=" + (screen.availHeight-h)/2 + ", "
			props += "left=" + (screen.availWidth-w)/2 + ", "
		window.open(file,'',props);
	}