function PopUpPic(pagename,popupvar){
width = 640;
height = 480;
var url = pagename+popupvar;
var urlvariables = "width="+width+",height="+height+',resizable=yes,menubar=no,status=no,scrollbars=no,top='+(screen.height/2-(height/2))+', left='+(screen.width/2-(width/2));
window.open(url,'PopUp',urlvariables);
}





a='0';
function new_win(w,h)
{
if (a=='1') {w1.close()}; 
a='1';
w1=window.open('','new','resizable=no,menubar=no,status=no,scrollbars=yes,width='+w+',height='+h);
}