function validate() { if(document.enquiry.Name.value==""){ alert('Please enter your name.'); document.enquiry.Name.focus() return false; } if((document.enquiry.Email.value.indexOf(".") < 2) + (document.enquiry.Email.value.indexOf("@") < 1)){ alert('Please enter a valid email address.'); document.enquiry.Email.focus() return false; } if(document.enquiry.Enquiry.value==""){ alert('Please enter your message.'); document.enquiry.Enquiry.focus() return false; } return true; }