function check(loginform) { var validlogin = true, eError = document.getElementById('z_error'), validEmail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/; if (document.loginform.email1.value === '' && document.loginform.pass1.value === '') { eError.innerHTML = "enter email address & password"; validlogin = false; } else if (document.loginform.email1.value === '') { eError.innerHTML = "enter email address"; validlogin = false; } else if (document.loginform.pass1.value === '') { eError.innerHTML = "enter password"; validlogin = false; } else if (email1.value.match(validEmail)) { eError.innerHTML = ''; } else { eError.innerHTML = "invalid email"; validlogin = false; } if (validlogin == true) { // window.alert(1+1); } else { // window.alert(2+2); event.preventDefault(); } } function bcheck(registerform) { var valid = false, e1Error = document.getElementById('y_error'), validEmail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/; if (document.registerform.email.value === '' && document.registerform.pass.value === '' && document.registerform.repass.value === '') { e1Error.innerHTML = "enter email address & verify password"; } else if (document.registerform.email.value === '' && document.registerform.pass.value === '') { e1Error.innerHTML = "enter email address & password"; } else if (document.registerform.email.value === '') { e1Error.innerHTML = "enter email address"; } else if (document.registerform.pass.value === '') { e1Error.innerHTML = "enter password"; } else if (document.registerform.repass.value === '') { e1Error.innerHTML = "verify password"; } else if (document.registerform.pass.value !== document.registerform.repass.value) { e1Error.innerHTML = "passwords dont match"; } else if (email.value.match(validEmail)) { e1Error.innerHTML = ''; valid = true; } else { e1Error.innerHTML = "invalid email"; } if (valid == true) { // window.alert(1+1); } else { // window.alert(2+2); event.preventDefault(); } }