function getBrowserSize() {
  var Width = 0, Height = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    Width = window.innerWidth;
    Height = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    Width = document.documentElement.clientWidth;
    Height = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    Width = document.body.clientWidth;
    Height = document.body.clientHeight;
  } 
   return {"width":Width,"height":Height}
}