function PopupCenter(pageURL, title,w,h) {
var left = (screen.width/2)-(w/2);
var top = (screen.height/2)-(h/2);
var targetWin = window.open (pageURL, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=no, width='+w+', height='+h+', top='+top+', left='+left);
} 

function PopupCenter1(pageURL1, title1,w1,h1) {
var left1 = (screen.width/2)-(w1/2);
var top1 = (screen.height/2)-(h1/2);
var targetWin1 = window.open (pageURL1, title1, 'toolbar=no, location=no, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=yes, copyhistory=no, width='+w1+', height='+h1+', top='+top1+', left='+left1);
}