/************************************************** This script will apply to the first form on the page, and presently supports inputs of type text, textarea, radio groups and checkboxes. To Use: -- Put onload="listener();" in the tag -- name required field ids with convention "req_some_field" -- for alerts, use empty element (i.e. ) with id="req_some_field_alert" (can go anywhere) -- To validate an email, use id="req_email" -- To confirm email with second entry, use id="req_email_confirm" That should do it. ***************************************************/ var vForm; var inputs; var inputVal; var inputAlert; function validateEmail(email) { apos=email.indexOf("@") dotpos=email.lastIndexOf(".") if (apos<1||dotpos-apos<2) return false; else return true; } function checkInput(e) { if (!e) var e = window.event; if (e.target) var tg = e.target; else if (e.srcElement) var tg = e.srcElement; validateInput(tg); } function validateInput(curElement) { if(curElement) var tg = curElement; var valid; inputVal = tg.value; inputAlert = document.getElementById(tg.getAttribute('id')+"_alert"); var radioCheck = (tg.type == "radio" || tg.type == "checkbox")?true:false; if (tg.getAttribute('id').indexOf('req_email')==0) { // do email validation valid = validateEmail(inputVal)?true:false; alertText = "This email is not valid."; } else if (tg.getAttribute('id').indexOf('req_confirm_email')==0) { // confirm emails match var firstEmail = document.getElementById('req_email').value; valid = (inputVal==firstEmail || !validateEmail(firstEmail))?true:false; alertText = "Emails do not match."; } else { // any other required field valid = (inputVal.length>0)?true:false; alertText = "Required"; } if(radioCheck) { var radios = tg.name; var userInput = false; for (i=0;i