function TopIMG1_onclick()
{
    var filter=/^\s*[a-zA-Z0-9]{5,20}\s*$/
    //-------------------------------------------验证用户名----------------------------------------------
    if(document.getElementById("txtUserName").value=="")
    {
       alert("用户登陆名不能为空！");
       document.getElementById("txtUserName").focus();
       document.getElementById("txtUserName").select();
       return false;
    }
    if(!filter.test(document.getElementById("txtUserName").value))
    {
       alert("用户登陆名不合法！");
       document.getElementById("txtUserName").focus();
       document.getElementById("txtUserName").select();
       return false;
    }

    //-------------------------------------------验证用户密码----------------------------------------------
    filter=/^\s*[a-zA-Z0-9]{6,20}\s*$/
    if(document.getElementById("txtUserPwd").value=="")
    {
       alert("用户登陆密码不能为空！");
       document.getElementById("txtUserPwd").focus();
       document.getElementById("txtUserPwd").select();
       return false;
    }
    if(!filter.test(document.getElementById("txtUserPwd").value))
    {
       alert("用户登陆密码不合法！");
       document.getElementById("txtUserPwd").focus();
       document.getElementById("txtUserPwd").select();
       return false;
    }
    window.open("/user/login.aspx?x="+escape(document.getElementById("txtUserName").value)+"&y="+escape(document.getElementById("txtUserPwd").value));
} 

function CheckIns()
{
    if(document.getElementById("Book").value=="")
    {
        alert("请输入留言内容！！！");
        document.getElementById("Book").focus();
        return false;
    }
   if(document.getElementById("Book").value.length>200)
   {
      alert("留言字数过多,限200字节内！");
      document.getElementById("Book").focus();
      return false;
   }
   return confirm("确定要留言吗？");
}

function  Top_CheckIn()
{
    if(document.getElementById("Top_key").value=="请输入搜索关键字" || document.getElementById("Top_key").value=="")
    {
        alert("请输入搜索关键字");
        document.getElementById("Top_key").focus();
        return ;
    }
    type=document.getElementById("SearchType").value;
    var key=document.getElementById("Top_key").value;
    key=key.replace(/(^\s*)|(\s*$)/g, "");
    if(type=="0")
    {
        alert("请选择搜索类型");
        document.getElementById("SearchType").focus();
        return ;
    }
    switch(type)
    {
        case "1"://展会
            window.open("/zh/zh_list1.aspx?sid=0&city=0&searchyear=0&searchmonth=0&searchtype=0&keyword="+escape(key));
            break;
        case "3"://参展商
            window.open("/comp/comparea.aspx?sid=0&city=0&keyword="+escape(key));
            break;
        case "4"://参展产品
            window.open("/zhpro/proarea.aspx?sid=0&city=0&keyword="+escape(key));
            break;
        case "5"://展会商
            window.open("/zhs/default.aspx?sid=0&city=0&keyword="+escape(key));
            break;
        case "6"://服务商
            window.open("/zhServer/default.aspx?sid=0&city=0&keyword="+escape(key));
            break;
        case "2"://展会回顾
           window.open("/zh/zh_list1.aspx?sid=0&city=0&searchyear=0&searchmonth=0&searchtype=0&keyword="+escape(key));
           break;
        case "7"://保健品
           window.open("/zhpro/bjp.aspx?sid=0&city=0&keyword="+escape(key));
           break;
    }
    
}
function Top_aa()
{
    if(document.getElementById("Top_key").value=="请输入搜索关键字")
    {
        document.getElementById("Top_key").value="";
    }
}
function Top_bb()
{
    if(document.getElementById("Top_key").value=="")
    {
        document.getElementById("Top_key").value="请输入搜索关键字";
    }
}

function KeyDown1()
{
    if(event.keyCode==13)
    {
        document.getElementById("IMG1").click();
    }
}


function yyzhwtopsecBoard(n)
  {
  document.getElementById("zywtoptype").value=n;
    for(i=0;i<yyzhwtopsecTable.cells.length;i++)
      yyzhwtopsecTable.cells

[i].className="yyzhwtopsec11";
    yyzhwtopsecTable.cells[n].className="yyzhwtopsec21";
    for(i=0;i<yyzhwtopmainTable.tBodies.length;i++)
      yyzhwtopmainTable.tBodies
document.getElementById("topmore").className="yyzhwtopsec21more";
document.getElementById("topwhite").className="yyzhwtopsec21more";
//[i].style.display="none";
//    mainTable.tBodies

//[n].style.display="block";

}
function aa()
{
if(document.getElementById("searchkeyword").value=="请输入搜索关键字" || document.getElementById("searchkeyword").value=="")
    {
        alert("请输入搜索关键字");
        document.getElementById("searchkeyword").focus();
        return ;
    }
var type=document.getElementById("zywtoptype").value;
   var key=document.getElementById("searchkeyword").value;
   key=key.replace(/(^\s*)|(\s*$)/g, "");
   switch(type)
   {
     case "0": window.open("/zhpro/proarea.aspx?sid=0&city=0&keyword="+escape(key));
     break;
      case "1": window.open("/zhpro/bjp.aspx?sid=0&city=0&keyword="+escape(key));
     break;
      case "5": window.open("http://qx.yyzhw.com/zhpro/default.aspx?keyword="+escape(key));
     break;
     case "3": window.open("/zh/zh_list1.aspx?sid=0&city=0&searchyear=0&searchmonth=0&searchtype=0&keyword="+escape(key));
     break;
      case "4": window.open("/zhServer/default.aspx?sid=0&city=0&keyword="+escape(key));
     break;
      case "2": window.open("/qg/qglist.aspx?keyword="+escape(key));
     break;
   }
   
}
function Top_dd()
{
    if(document.getElementById("searchkeyword").value=="请输入搜索关键字")
    {
        document.getElementById("searchkeyword").value="";
    }
}
function Top_ff()
{
    if(document.getElementById("searchkeyword").value=="")
    {
        document.getElementById("searchkeyword").value="请输入搜索关键字";
    }
}