function vcenter()
{   var cell = document.getElementById("padding");
    if ( window.innerHeight )
    {   var ht = window.innerHeight-stripHeight;               
        ht = (ht - ht%2)/2;                           
        cell.setAttribute("height", ht + "px");             
    }
    // else
      //   cell.setAttribute("height", "360px");             

}
                                                                                
window.onresize=vcenter;