function popWin(url, label, width, height, scroll) {
	var Xcord = (window.screen.width-width)/2;
	var Ycord = (window.screen.height-height)/2;
	window.open(url, label, "width="+width+",height="+height+", top="+Ycord+", left="+Xcord+", toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars="+scroll+", resizable=no");
}