document.write('<div id="drkhan" style="position:absolute;top:0;left:180px;">');
document.write('<img class="drkhan" src="/images/drkhan.png" border="0"></a>');
document.write('</div>');



function showLAYER(idName){

  if(document.getElementById) //NN6,Mozilla,IE5
    document.getElementById(idName).style.visibility
                                           = 'hidden'

  else if(document.all)       //IE4
    document.all(idName).style.visibility   = 'hidden'

  else if(document.layers)    //NN4
    document.layers[idName].visibility     = 'hidden'

}
setTimeout("showLAYER('drkhan')",5000);