function add(){
 	var content=$("#content").val();
 	var name=$("input[name='name']").val();
 	var fromIdentity=  $("select[name='fromIdentity']").val();
 	var phone=$("input[name='phone']").val();
 	
 	 if(isEmpty(content) ||isEmpty(name)||isEmpty(fromIdentity)|| isEmpty(phone)){
	       alert("请填写完整信息");
		   return false;
	 }
 	 
 	if(validateTel(phone)==false){
	       alert("手机号格式不正确");
	       return false;
	 }
 	var loader = layer.load(1);
 	$.ajax({
 		type : "POST",
 		url : "/suggestServlet?action=save",
 		dataType : "json",
    		async:false, 
 		data : {
 			content : content,
 			name : name,
 			phone:phone,
 			name:name,
 			fromIdentity:fromIdentity
 		},
 		success : function(data) {
 			alert(data.message);
 			layer.close(loader);
 			if (data.status == 1) {
				 window.setTimeout(function () {location.reload()}, 2000);
			}
 		}
  })
 }
 
 //手机号码验证
 function validateTel(obj){
	var telReg=/^\d{11}$/;
    var telMsg=document.getElementById("phone")
   if(!telReg.test(obj)){
	
	  return false;
   }else{
	  return true;
	 }
  }
 
//判断字符是否为空的方法
 function isEmpty(obj){
     if(typeof obj == "undefined" || obj == null || obj == ""){
         return true;
     }else{
         return false;
     }
 }