Js&Jquery文档加载完事件

$(document).ready(function(){
		var subjectSel = $("#subjectSel") ;
		
		//alert(subjectSel.val()) ;
		
		subjectSel.combobox({  
	        onChange:function(newValue,oldValue){
	        	item_update.requestSecondSubject(newValue) ;
	        }
	    }) ; 
	});

$(function(){
		
	}) ;

window.onload = function () {
		
	};