var width=500;

var height=500;



function popupImageWindow(url, width, height) {

    window.open(url,'file','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=' + width + ',height=' + height + ',screenX=150,screenY=150,top=50,left=50');

}



function parentchange(url){

    window.opener.location.href = url;

}