function setTab(name,cursel,n){
 for(i=1;i<n;i++){
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  
  menu.className=i==cursel?"hover":"";
  con.style.display=i==cursel?"block":"none";
 }
}
function setTab1(name,cursel,n){
 for(i=1;i<=n;i++){
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  
  menu.className=i==cursel?"hover":"";
  con.style.display=i==cursel?"block":"none";
 }
}
function getCookie(name)


{

var cookieValue = "";

var search = name + "=";

if(document.cookie.length > 0)

{

    offset = document.cookie.indexOf(search);

    if (offset != -1)

    {

      offset += search.length;

      end = document.cookie.indexOf(";", offset);

      if (end == -1) end = document.cookie.length;

      cookieValue = unescape(document.cookie.substring(offset, end))

    }

}

return cookieValue;

}
//String.prototype.trim = function()
//{
//    // 用正则表达式将前后空格
//    // 用空字符串替代。
//    return this.replace(/(^\s*)|(\s*$)/g, "");
//}
//function logincheck()
//{
//   var user_name=document.getElementById"user_name").value.trim();
//   var user_password=document.getElementById("user_password").value.trim();
//   if(user_name=="" || user_password=="")
//   {
//     alert("用户名和密码不能为空！");
//     return false;
//   }
//   else
//   return true;
//}


function   subCheck()   
  {   
     if(event.keyCode==13)   
       {   
           submitform();
       }   
  } 
  function hotckname(key)
  {
      var ckname=document.getElementById("ckname");
       ckname.value=key;
       document.form3.action="/kecheng/search_ck.aspx";
	 document.form3.submit();
      
  }
 function submitform()
		        {
		           //docm=document.getElementById("form3").action;\
		           var ckname=document.getElementById("ckname").value.trim();
		           if(ckname=="")
		           {
		             alert("关键字不能为空！");
		             //return false;
		           }
		           else
		           {
		             var ck=document.getElementById("ck");
		               if(ck.value=="0")
		                {
		                    document.form3.action="/kecheng/search_ck.aspx";
		                    document.form3.submit();
		                }
		              else
		               {
		              document.form3.action="/news/search_news.aspx";
		              document.form3.submit();
		               }
		           }
		           
		        }