/** 
    setting params !window.opener(not child) than openning window
    Child window will not open any windows in order to use the option
    of adding else
  */
  if(!window.opener){
    var url = "http://www.singlescrowd.com";
    popwindow=window.open(url,"Singlescrowd","width=1024,height=768,resizable=1,scrollbars=yes,toolbar=yes,menubar=yes,status=yes,location=1");
    window.onload=popwindow;
    this.focus();
  }