function checkspace(checkstr) {
  var str = '';
  for(i = 0; i < checkstr.length; i++) {
    str = str + ' ';
  }
  return (str == checkstr);
}

function ssxx()
{

  if(checkspace(document.form2.name.value)) {
	document.form2.name.focus();
    alert("对不起，联系人姓名！");
	return false;
  }
  
  
   if(checkspace(document.form2.corp.value)) {
	document.form2.corp.focus();
    alert("对不起，请填写企业名称！");
	return false;
  }



 
    if(checkspace(document.form2.tel.value)) {
	document.form2.tel.focus();
    alert("对不起，请留下您的电话！");
	return false;
  }
    
     
  if(document.form2.email.value.length!=0)
  {
    if (document.form2.email.value.charAt(0)=="." ||        
         document.form2.email.value.charAt(0)=="@"||       
         document.form2.email.value.indexOf('@', 0) == -1 || 
         document.form2.email.value.indexOf('.', 0) == -1 || 
         document.form2.email.value.lastIndexOf("@")==document.form2.email.value.length-1 || 
         document.form2.email.value.lastIndexOf(".")==document.form2.email.value.length-1)
     {
      alert("Email地址格式不正确！");
      document.form2.email.focus();
      return false;
      }
   }
 else
  {
   alert("Email不能为空！");
   document.form2.email.focus();
   return false;
   }
      {
document.all.item("ddd").disabled=true;
form2.submit();
}
}
//-->