function killErrors() {
return true;
}
window.onerror = killErrors;

//广告
/*	var script = $("<script>11</script>");
	script.attr("src","http://abbs.sdfdc.com/api/javascript.php?key=%C9%BD%B7%BF%CA%D7%D2%B3_%B5%D8%B2%FA%C9%B3%C1%FA");
	var mID = $("<div></div>");
	mID.attr("class","middle");
	mID.attr("id","middleID");
	$("div[class=middle]").prepend(mID);
	mID.append(script);

	var script = document.createElement('script');
	script.type = 'text/javascript';
	script.src = 'http://abbs.sdfdc.com/api/javascript.php?key=%C9%BD%B7%BF%CA%D7%D2%B3_%B5%D8%B2%FA%C9%B3%C1%FA';
	$("div[class=middle]").prepend("<div class='middle' id=middleID></div>");
	$("#middleID").append(script);
*/

function CheckAll(form) {  
	for (var i=0;i<form.elements.length;i++)  {  
		var e = form.elements[i];  
		if (e.name == 'infoid')  
		e.checked = true // form.chkall.checked;  
	}  
} 
 
function ContraSel(form) {
	for (var i=0;i<form.elements.length;i++){
		var e = form.elements[i];
		if (e.name == 'infoid')
		e.checked=!e.checked;
	}
}

function getVal(obj){
	return $.trim(obj.val());
}
function setVal(obj){
	return obj.val($.trim(obj.val()));
}
function getStyleMsg(msg,color){
	color = color!=undefined ? color:"red";
	return "<font color="+color+">"+msg+"</font>";
}
function setPrompt(obj,msg){
	var name = obj.attr("name");
	if(name == null || name == ""){
		name = obj.attr("id");
	}
	var prompt_obj_name = name+"_desc";
	var prompt_obj = $("#"+prompt_obj_name);
	if(prompt_obj.size() == 0){
		prompt_obj = $("<span id=\"" + prompt_obj_name + "\"></span>;");
		obj.after(prompt_obj);
	}
	prompt_obj.html(" "+msg);
}
function generateValidNum(){
	$("#validateImg").attr("src","teacher.do?d=generateValidNum&rnd="+Math.random());
}