/**??????url ?????? ajax????????????**/
  function getValueFormURL(urlstr,datastr)
   {
	   if ($ != jQuery) {
		$ = jQuery.noConflict();
		 }
            var result="";
  			$.ajax({
					type:"POST",
					url:urlstr,
					data:datastr,
					async:false,
					success:function(data){
							result = data; 	
					},
					error:function(e)
					{
					alert(e.message);
					}
					});
			return result;
       }