$(function(){
var loading=$("#loading")
if(loading.size()==0){
  $(document.body).append($("<div id='loading'> loading... </div>"));
}
    $("#loading").ajaxStart(function() {
        $(this).show();
    });
    $("#loading").ajaxStop(function() {
        $(this).hide();
    });
})

function hidenme(){
$("#loading").hide();
}
var winH;
   if (self.innerWidth)
   {
   winH = self.innerHeight;
   }
   else if (document.documentElement && document.documentElement.clientWidth)
   {
   winH = document.documentElement.clientHeight;
   }
   else if (document.body)
   {
   winH = document.body.clientHeight;
   }

    window.onscroll = function (e) {
        var scrollxy=getScrollXY();
        $("#loading").css("top",2+ scrollxy[1]+"px");

}
    function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}