function popUp(getFile){

   

   setWidth = 520;

   setHeight = 840;



        setLeft = (screen.width - setWidth) / 2;

        setTop = (screen.height - setHeight) / 2;



   setWindow = 'top=' + setTop + ', left=' + setLeft + ', toolbar=0,scrollbars=yes,location=0,directories=0,status=0,menubar=0,resizable=0,width=' + setWidth + ',height='+ setHeight; 



   MyPopupWindow = window.open(getFile, 'MyPopupWindow', setWindow);

   

}

function checkWindow(){



   if (window.name != "MyPopupWindow"){

       self.location.href = "index.html";

   }else{

       window.focus();

   }

   

   

}