function adjustSize()
{
   var myWidth = 0, myHeight = 0;
   if( typeof( window.innerWidth ) == 'number' ) {
      //Non-IE
      myWidth = window.innerWidth;
      myHeight = window.innerHeight;
   } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
      //IE 6+ in 'standards compliant mode'
      myWidth = document.documentElement.clientWidth;
      myHeight = document.documentElement.clientHeight;
   } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
      //IE 4 compatible
      myWidth = document.body.clientWidth;
      myHeight = document.body.clientHeight;
   }
   //    alert("Site height="+siteHeight);
   //    var test1=document.body.offsetHeight;
   //    var test2=window.innerHeight;
   //    var test3=document.body.clientHeight;
   //    alert ("offset="+test1+" , inner="+test2+" , client="+test3);
   var leftPlace=((myWidth-400)/2);
   

   document.getElementById('popup').style.left=leftPlace+"px";
   document.getElementById('popup').style.display="block";
}