function userlogin()
{
var username=document.getElementById("txtusername").value;
var pwd=document.getElementById("txtuserpwd").value;
if(username=="" || username ==null || username =="请输入登录名")
{
ymPrompt.alert({title:'提示信息',message:'请输入用户名！'});
document.getElementById("txtusername").focus();
return ;
}if(pwd==""|| pwd ==null)
{
ymPrompt.alert({title:'提示信息',message:'请输入密码！'});
document.getElementById("txtuserpwd").foucs();
return;
}
if(username.length<3||pwd.length<4)
{
ymPrompt.alert({title:'提示信息',message:'请输入正确的用户名或密码！'});
return;
}

//AjaxForKeywork.CompanyUserLogin(username,pwd,callbackfuction);
top.location.href="/login.aspx";
}
function callbackfuction(response)
{
if(response.value=="true")
{
top.location.href="/user_admin/index.html";
}else
{
ymPrompt.alert({title:'提示信息',message:'登录失败！'});
}

}
function funcEnter() {
    if(event.keyCode == 13) {
	    userlogin();
	}
}
function funcFocus(text) {
    if (text.value=="请输入登录名" || Trim(text.value)=="") {
        text.value="";
    }
}
function Trim(str){
    if(str.charAt(0) == " "){
        str = str.slice(1);
        str = Trim(str);
    }
    return str;
}