function newwindow2(w,h,webaddress) {

var viewimageWin = window.open(webaddress,'New_Window2','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width='+w+',height='+h);

viewimageWin.moveTo(screen.availWidth/2-(w/2),screen.availHeight/2-(h/2));
}