function getfocus(id)
        {
            
          document.getElementById(id).style.display='none';
          document.getElementById("emaie").style.display='none';
        }   
        function check()
        {
            var uname = document.getElementById("ctl00$ContentPlaceHolder1$username").value;
           if(cTrim(uname,0)=='')
           {
              document.getElementById("uname").style.display='block';
              document.getElementById("ctl00$ContentPlaceHolder1$username").value = '';
              return false ;
           }
           var banknum = document.getElementById("ctl00$ContentPlaceHolder1$banknum").value;
           if(cTrim(banknum,0)=='')
           {
              document.getElementById("yhkh").style.display='block';
              document.getElementById("ctl00$ContentPlaceHolder1$banknum").value = '';
              return false ;
           }
           var bankname = document.getElementById("ctl00$ContentPlaceHolder1$bankname").value;
           if(cTrim(bankname,0)=='')
           {
              document.getElementById("khyh").style.display='block';
              document.getElementById("ctl00$ContentPlaceHolder1$bankname").value = '';
              return false ;
           }

           var phone = document.getElementById("ctl00$ContentPlaceHolder1$phone").value;
           if(cTrim(phone,0)=='')
           {
              document.getElementById("sjh").style.display='block';
              document.getElementById("ctl00$ContentPlaceHolder1$phone").value = '';
              return false ;
           }
           var email = document.getElementById("ctl00$ContentPlaceHolder1$email").value;
//           if(cTrim(email,0)=='')
//           {
//              document.getElementById("eml").style.display='block';
//              document.getElementById("email").value='';
//              return false ;
//           }
//           else
         if(cTrim(email,0)!='')
           {
              if(!isEmail(email))
              {
                 document.getElementById("emaie").style.display='block';
                 return false;
              }
           }
           if (document.getElementById("ctl00$ContentPlaceHolder1$gz").checked != true)
           {
             document.getElementById("guize").style.display='block';
             return false;
           }
           return true;
        } 
         function cTrim(sInputString,iType)
        {
        var sTmpStr = ' '
        var i = -1
        if(iType == 0 || iType == 1)
        {
        while(sTmpStr == ' ')
        {
        ++i
        sTmpStr = sInputString.substr(i,1)
        }
        sInputString = sInputString.substring(i)
        }
        if(iType == 0 || iType == 2)
        {
        sTmpStr = ' '
        i = sInputString.length
        while(sTmpStr == ' ')
        {
        --i
        sTmpStr = sInputString.substr(i,1)
        }
        sInputString = sInputString.substring(0,i+1)
        }
        return sInputString
        }
//校验是否是email格式

function isEmail(s) 
{ 
var patrn=/^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/; 
if (!patrn.exec(s))
 return false 
return true 
}