$("#sub1").click( function () { 
     var msg="";
   if(Trim(companyname2.value).length<=0)
   {
   msg+="公司名称不能为空!\r\n";
   }
     
      if(Trim(tel2.value).length<=0)
   {
   msg+="联系电话不能为空!\r\n";
   }
      if(Trim(username2.value).length<=0)
   {
   msg+="联系人不能为空!\r\n";
   }
      if($("input:checked").size()<=0)
   {
   msg+="信息渠道必选一个!\r\n";
   }
   if(msg!="")
   {
   alert(msg);
   return false;
   }
   //验证结束
   
 
    typeid="81";
 
   var channelb="";
   $("input:checked").each(function(index, domEle){
   channelb+=$(this).attr("value")+",";
     }); 
     
     companyname=Trim(companyname2.value);
     companyaddress=Trim(companyaddress2.value);
     tel=Trim(tel2.value);
     username=Trim(username2.value);
     email=Trim(email2.value); 
     
        $.ajax({
   type: "POST",
   url: "ashx/JoinAdd.ashx",
   data: "companyname="+companyname+"&companyaddress="+companyaddress+"&tel="+tel+"&username="+username+"&email="+email+"&channelb="+channelb+"&typeid="+typeid+"",
   success: function(msg){
     if(msg=="1")
     {
     clearDiv();
     alert("提交成功!");
     }
     else if(msg=="0")
     {
     alert("提交失败,稍候再尝试!");
     }
          else if(msg=="3")
     {
     alert("提交失败,禁止外部提交!");
     }
   }
}); 
   });








//此处为独立去空格函数 
function LTrim(str) 
{ 
var i; 
for(i=0;i<str.length;i++) 
{ 
if(str.charAt(i)!=" "&&str.charAt(i)!=" ")break; 
} 
str=str.substring(i,str.length); 
return str; 
} 
function RTrim(str) 
{ 
var i; 
for(i=str.length-1;i>=0;i--) 
{ 
if(str.charAt(i)!=" "&&str.charAt(i)!=" ")break; 
} 
str=str.substring(0,i+1); 
return str; 
} 
function Trim(str) 
{ 
return LTrim(RTrim(str)); 
} 

 //-- 去空格函数结束
 
//清空所有input 
 function clearDiv() 
{ 
$("input[type='text']").attr("value","");
$("textarea").attr("value","");
$("input:checked").attr("checked","");
}