var emailFailed;function emailCheck(a){if(!a.nodeName){a=document.getElementById(a)}if(a.value==""){alert("Please enter your email address.");a.focus();emailFailed=true;return false}regex=/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;if(regex&&!regex.test(a.value)){alert("Please enter a valid email address.");a.focus();emailFailed=true;return false}emailFailed=false;noPop=true;return true};