<!--

var aWidth = screen.availWidth
var aHeight = screen.availHeight
var cenWidth = ((screen.availWidth/2) - (775/2));
var cenHeight = ((screen.availHeight/2) - (586/2));
        
//Not needed, passed through function
//var winWidth = 760;
//var winHeight = 500;

var aWindow=null;
function openMain(URL, winWidth, winHeight) {
        
        if ( aWindow && !aWindow.closed )
  {
     aWindow.close();
  }
        
        aWindow=window.open(URL, "mainWin","width=" + winWidth + ",height=" + winHeight + ",menubar=0,status=0,toolbar=0,scrollbars=0,resizeable=0,screenX=" + cenWidth + ",screenY=" + cenHeight + ",left=" + cenWidth + ",top=" + cenHeight);
}
//-->