function popUp(x,n,w,h) {
var strwidth = "width=" + w;
var strheight = "height=" + h;
window.open(x,n,strwidth + ',' + strheight + ',toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,leftmargin=0,topmargin=0,marginheight=0,marginwidth=0')
}