function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=750,height=550,left = 137,top = 134');");
}

function WinExec(url,name,x,y,z) 
{
 var posX = (screen.width/2)-(x/2);
 var posY = (screen.height/2)-(y/2);
 var winPref = "width=" + x + ",height=" + y
  + ",innerWidth=" + x + ",innerHeight=" + y
  + ",left=" + posX + ",top=" + posY
  + ",screenX=" + posX + ",screenY=" + posY
  + ",toolbar=" + z + ",location=0,directories=0,status=" + z
  + ",menubar=" + z + ",scrollbars=1,resizable=0,width=" + x
  + ",height=" + y;
 var remoteWin = null;     
 remoteWin = window.open(url,name,winPref);
 if (window.focus) 
 {         
  remoteWin.focus();     
 } 
}