// This javascript will center the popup window within the screen

var gWinCity = null;

function pu_cent(url, name, height, width) {


 var str = "height=" + height + ",innerHeight=" + height;
 str += ",width=" + width + ",innerWidth=" + width;

 if (window.screen) {
  var ah = screen.availHeight - 30;
  var aw = screen.availWidth - 10;

  var xc = (aw - width) / 2;
  var yc = (ah - height) / 2;

  str += ",left=" + xc + ",screenX=" + xc;
  str += ",top=" + yc + ",screenY=" + yc;

  if (name=='print')str +=',menubar=1';

  if (name=='printScrollable')str +=',menubar=1,scrollbars=1';

  if (name=='termConditions')str +=',menubar=0,scrollbars=1';
 }

 //create a new window if one doesnt exist
 if (gWinCity == null)
 {    
  gWinCity = window.open(url, name, str );
  gWinCity.opener = self;
 }
 else if (gWinCity.closed)
 {
  gWinCity = window.open(url, name, str );
  gWinCity.opener = self;  
 }
  
}