function $g(obj){return document.getElementById(obj);} function chkInquiry(){ if($g("fullname").value==""){alert("请输入你的姓名 !");$g("fullname").focus();return false;} if($g("tel").value==""){alert("请输入你的联系电话 ! ");$g("tel").focus();return false;} if($g("email").value==""){alert("请输入你的邮箱 ! ");$g("email").focus();return false;}else{if(!isEmail($g("email").value)){alert("你输入的邮箱格式有误 ! ");$g("email").focus();return false;}} } function isEmail(strEmail) { if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) return true; else return false; }