function Pop(Url,MWin,w,h,t,l) {
if (typeof(h)=="undefined") { h =100; }
if (typeof(w)=="undefined") { w =100; }
if (typeof(t)=="undefined") { t =100; }
if (typeof(l)=="undefined") { l =100; }

MWin = window.open(Url,MWin,"resizable=no,scrollbars=1,width=" + w + ",height=" + h + ",top=" + t + ",left="+ l);
MWin.focus();
};