function popupWin(href, windowname, wd, ht) {
	var lft = Math.floor((screen.width - wd) / 2);
 	var tp = Math.floor((screen.height - ht) / 2);
 	var wstat = 'resizable=yes,scrollbars=yes,status=no,width='+wd+',height='+ht+',left='+lft+',top='+tp;
 	var popwin = window.open(href,windowname,wstat);
 	popwin.focus();
}

function popupWinNoScroll(href, windowname, wd, ht) {
  var lft = Math.floor((screen.width - wd) / 2);
  var tp = Math.floor((screen.height - ht) / 2);
  var wstat = 'resizable=yes,scrollbars=no,status=no,width='+wd+',height='+ht+',left='+lft+',top='+tp;
  // alert('Creating new window');
  var popwin = window.open(href,windowname,wstat);
  popwin.focus();
}