var live_support_name = "#live_support_holder";
var live_support_menuYloc = null;
$(document).ready(function(){
	live_support_menuYloc = parseInt($(live_support_name).css("top").substring(0,$(live_support_name).css("top").indexOf("px")))
  $(window).scroll(function () {
  var offset = live_support_menuYloc+$(document).scrollTop()+"px";
  $(live_support_name).animate({top:offset},{duration:500,queue:false});
  });
});