function validateForm(){var d=document.getElementById("Email");if((d.value==null)||(d.value=="")){alert("Please enter your email address.");d.focus();return false}if(validateEmailAddress(d.value)==false){d.value="";d.focus();return false}var c=document.forms.emailsignup.elements.Interest;var b=0;for(var a=0;a<c.length;a++){if(c[a].checked){b++}}if(!b){alert("Please select your area of interest.");c[0].focus();return false}return true}document.getElementById("emailsignup").onsubmit=validateForm;