function SetBodyHeight() {
  var myBHeight = 0;
  
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myBHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myBHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myBHeight = document.body.clientHeight;
  }
  
  var dElement = document.getElementsByTagName("body")[0];
  dElement.style.height = myBHeight + 'px';
  //window.alert(myBHeight + 'px');
}

FastInit.addOnLoad(SetBodyHeight);