function searchIndex() {
	var e = arguments[0]||window.event;
	var k = e.keyCode||e.which||e.charCode;
	if(k==13){
		checkSearch();
	}
}
function checkSearch(){
	var querystring = document.getElementById("querystring").value;
	if(querystring==''){
		alert('请输入关键字！');
		document.getElementById("querystring").focus();
		return false;
	}	
}
function loginOnkeyCheck(evt){
	var e = evt||window.event;
	var k = e.keyCode||e.which||e.charCode;
	if(k==13){
		login();
	}
}
function login() {
	document.getElementById("username").blur();
	document.getElementById("userpass").blur();
	var uname = document.getElementById("username").value;
	var upass = document.getElementById("userpass").value;
	if (uname == "") {
		alert("用户名不能为空！");
		window.setTimeout("document.getElementById('username').focus()",500);
		return false;
	} else if (upass == "") {
		alert("用户密码不能为空！");
		window.setTimeout("document.getElementById('userpass').focus()",500);
		return false;
	}
	document.loginForm.action="/member/mainMenu/login.jsp";
	document.loginForm.submit();
}
//判断资讯是否存在图片
function isExistImg(imgurl){
	if(imgurl.indexOf(".") > 0){
		if(imgurl.indexOf("errorimg.") < 0)
			document.write("<em>[图]</em>");
	}
}

//截取字符串
//str字符串　len字符串长度  tof　1追加点　0不追加
function strProc2(str,len,tof)
{
	str=str.replace(/<[^<|^>]+>/g,"");
	if(str.length>len)
		if(tof=="1")
			str = str.substring(0,len)+"..";
		else
			str = str.substring(0,len);	
	return str;
}