function turnit(tt)
{tt.style.display="none"}

 function ow(theURL) { 
  window.open(theURL,'','width=720,height=300,top=10,left=20,scrollbars=1,resizable=1');
}
function openwindow(url,name,size)
{ 
 var windowname=window.open(url,name,"width=1,height=1,left=0,top=0,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizabllue =no");
}
function trim(strValue)
{
	var intStart=0;
	for(var i=0;i<strValue.length;i++)
	{
		if(strValue.substring(i,i+1)!=" "){
			intStart=i;
			break;
		}
	}
	var intEnd=strValue.length;
	for(var i=strValue.length;i>=0;i--)
	{
		if(strValue.substring(i-1,i)!=" "){
			intEnd=i;
			break;
		}
	}
	return strValue.substring(intStart,intEnd);
}


function checkSubmit()
{  
  if (trim(searchzs.name.value) == "" || trim(searchzs.name.value) == "请在这里输入关键字！")
  {
    alert("请输入搜索关键字！");
    searchzs.name.focus();
    return (false);
  }
    if (trim(searchzs.name.value).length <= 1 || trim(searchzs.name.value).length>20)
   {
	alert("关键字的字符数最少２，最多２０");
	searchzs.name.focus();
	return false;
	 } 
document.searchzs.submit();  
  return true;
  }
  
  function checkSubmitdl()
{  
  if (trim(searchdl.name.value) == "")
  {
    alert("请输入搜索关键字！");
    searchdl.name.focus();
    return (false);
  }
    if (trim(searchdl.name.value).length <= 1 || trim(searchdl.name.value).length>20)
   {
	alert("关键字的字符数最少２，最多２０");
	searchdl.name.focus();
	return false;
	 } 
document.searchdl.submit();   
  return true;
  }


function strangecode(code)
{   var strangCode = "~`!@#$%^&*()+=-|\'/？,，。.<>";
    var temp;
    for (var i = 0; i<code.length; i++ )
    {
        temp = code.substring(i,i+1);
        if (strangCode.indexOf(temp) !=-1)
        {
            return (false);
        }
    }
}
  
  
  function checklogin()
{  
  if (trim(login.name.value) == ""){
   alert("请输入用户名！");
   login.name.focus();return (false);}
  
 if (trim(login.name.value).length <= 1 || trim(login.name.value).length>30){
	alert("用户名的字符数最少2，最多３０");
	login.name.focus();return false;} 
	 
 if (trim(login.pwd.value) == ""){
    alert("请输入密码！");
    login.pwd.focus();return (false);}
	 
if(strangecode(login.name.value+login.pwd.value)==false){
alert("您输入的用户名或密码不合法！");return false;}	 
return true;
 }
 
 
 		
function checkT()
{  
if (trim(frmForm.province.value)=="")
   {
	alert("请选择省份");
	frmForm.province.focus();
	return false;
	 }

	 if (trim(frmForm.name.value)=="")
   {
	alert("联系人？");
	frmForm.name.focus();
	return false;
	 }
	  if (trim(frmForm.tel.value)=="")
   {
	alert("联系电话不能为空");
	frmForm.tel.focus();
	return false;
	 }
   if (trim(frmForm.content.value)=="")
   {
	alert("内容不能为空");
	frmForm.content.focus();
	return false;
	 } 
B1.disabled = true;
document.frmForm.submit();
 return true;
  }
 
 
 
function showdlcontent(n) //代理商介绍
{
if(document.frmForm.dlcontent[n-1].checked) 
{
document.all.content.value+= eval("document.getElementById('msginfo'+n).innerHTML")
//注意getElementById和eval的用法
}
else
{	
temp= document.all.content.value; 
document.all.content.value	= temp.replace(eval("document.getElementById('msginfo'+n).innerHTML"),"");
	}
}