function validate() { var EMail = document.form1.dbtEMail.value; if (document.form1.dbtName.value.length < 1) { alert("Please Enter Your Name"); return false; } if (document.form1.dbtEMail.value.length < 1) { alert("Please Enter Your E-Mail Address"); return false; } if (EMail.indexOf("@") < 1) { alert("E-Mail Address not valid"); return false; } if (EMail.indexOf(".") < 1) { alert("E-Mail Address not valid"); return false; } return true; }