function search(){
  if (document.getElementById("keyword").value=='商家名称、服务或地址关键词' | document.getElementById("keyword").value=='')
 {
   alert("请输入关键字");
 }
 else
 {
   if (document.getElementById("s1").value=='1')
   {
     location.href="/search/search_k.aspx?keyword="+encodeURI(document.getElementById("keyword").value);
   }
   else
   {
     location.href="http://www.818.cn/jingyan/k"+encodeURI(document.getElementById("keyword").value)+".html";
   }
  }
  return false;
}
function KeyDown()
{
    if (event.keyCode == 13)
    {
        event.returnValue=false;
        event.cancel = true;
       search();
    }
}
function popup(i){
if (i==1)
{
 document.getElementById("pop").style.display="none";  
}
else
{
document.getElementById("pop").style.display="block";
}
}

function check_login()
{
if (document.getElementById("lname").value=="")
{
window.alert("请输入用户名！");
document.getElementById("lname").select();
return false;
}
if (document.getElementById("lpassword").value=="")
{
window.alert("请输入密码！");
document.getElementById("lpassword").select();
return false;
}
return true;
}