<!-- 
  function _id(id) {
        return document.getElementById(id);
  }
 
  function  su_bmit(){   
  	
		var areaCode = _id("areaCode");
		var telNo = _id("telNo");
		var brandNo = _id("brandNo");
		var commonTel = _id("commonTel");
			commonTel.value = areaCode.value+"-"+telNo.value+"-"+brandNo.value;
		 
        obj = _id("name");
        if (obj.value == "")
        {
            alert("请填写姓名！");
            obj.focus();
            obj.select();
            return false;
        }
        
        if (obj.value.length>10) {
        	alert("名称不能大于10个字！");
            obj.focus();
            obj.select();
            return false;
        }
        
        var mobileTel = _id("mobileTel");
        if (!(mobileTel.value != "" || (areaCode.value!=""&&telNo.value!=""&&brandNo.value!="")))
        {
            alert("手机与电话两者必填其中一项！");
            mobileTel.focus();
            mobileTel.select();
            return false;
        }
        
         if (mobileTel.value != "")
        {
        	 if(isNaN(parseInt(mobileTel.value))){
	        	alert("手机必须为数字！");
	            mobileTel.focus();
	            mobileTel.select();
	            return false;
	        }
	        
	        if(mobileTel.value<11){
	        	alert("手机号必须为11位！");
	            mobileTel.focus();
	            mobileTel.select();
	             return false;
	        }
        }
        
        obj = _id("email");
        if (obj.value == "")
        {
            alert("请填写邮箱！");
            obj.focus();
            obj.select();
            return false;
        }
        
         var filter = /^\s*([A-Za-z0-9_-]+(\.\w+)*@(\w+\.)+\w{2,3})\s*$/;
        if (!filter.test(obj.value)) {
            alert("邮件地址不正确,请重新填写！");
            obj.focus();
            obj.select();
            return false;
        }
        
        obj = _id("ques");
        if (obj.value == "")
        {
            alert("请填写问题！");
            obj.focus();
            obj.select();
            return false;
        }
      return true;
  } 
//-->