<!--

//提交表单检查
//是否空字符
function isEmptyString(s){
	s=s.replace(/\s/g, '');
	return s.length>0 ? false : true;
}

function check(obj) {
	var strErr="";
	if(isEmptyString(obj.name.value)) {strErr+="请输入昵称！\n";}
	if(isEmptyString(obj.content.value)) {strErr+="请输入留言内容！\n";}

	if (obj.qq.value!="" && (obj.qq.value.length<5 || obj.qq.value.length>9)){strErr+="请正确输入QQ！\n";}
	if (obj.email.value!=""){
		var email = new String();
		var flag = true;
		email = obj.email.value;
		var tagIndex = email.lastIndexOf('@');
		if((tagIndex==-1)||(tagIndex==email.length-1)) {flag = false;}
		var tagIndex1 = email.lastIndexOf('.');
		if((tagIndex1==-1)||(tagIndex1<=tagIndex)||(tagIndex1==email.length-1)) {flag = false;}
		if(!flag) {strErr+="E-Mail地址不合法！\n";}
	}
	//if(obj.subject.value.length<=0) {strErr+="请输入标题！\n";}
	if(strErr!="") {alert(strErr);return false;}
	return true;
}

//打开新窗口
function winOpen(url,title,width,height){
    var w = 1024;
    var h = 768;

    if (document.all || document.layers){
        w = screen.availWidth;
        h = screen.availHeight;
    }

    var leftPos = (w/2-width/2);
    var topPos = (h/2.3-height/2.3);

    window.open(url,title,"width="+width+",height="+height+",top="+topPos+",left="+leftPos+",scrollbars=yes,resizable=no,status=no")
}
//-->