function thisok(){
	return true;
}

window.onerror=thisok;

function $$(my){
	return document.getElementById(my);
}

var ClassIcon={};
ClassIcon[0] = new Image();
ClassIcon[0].src = "image/jianhao.gif";
ClassIcon[1] = new Image();
ClassIcon[1].src = "image/jiahao.gif";
var onid=0;

function OpenClass(j){
	if($$("menu_small_"+j).style.display == "none"){
		$$("menu_icon_"+j).src = ClassIcon[0].src;
		$$("menu_small_"+j).style.display = "";
	}else{
		$$("menu_icon_"+j).src = ClassIcon[1].src;
		$$("menu_small_"+j).style.display = "none";
	}
}

var isIndex=false;