function CheckForm() { var Yourname = document.getElementById('yourname'); if ((Yourname) && (Yourname.value.replace(/ /g, '').length == 0)) { alert('Please enter your name.'); Yourname.focus(); return false; } var Yourcompany = document.getElementById('yourcompany'); if ((Yourcompany) && (Yourcompany.value.replace(/ /g, '').length == 0)) { alert('Please enter your company name.'); Yourcompany.focus(); return false; } var Youremail = document.getElementById('youremail'); if ((Youremail) && (Youremail.value.replace(/ /g, '').length == 0) || (!Youremail.value.match(/^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/gi))) { alert('Please enter a valid email address.'); Youremail.focus(); return false; } var Yourconfirmemail = document.getElementById('yourconfirmemail'); if ((Yourconfirmemail) && (Youremail.value != Yourconfirmemail.value)) { alert('Email addresses don\'t match'); Yourconfirmemail.value = ''; Yourconfirmemail.focus(); return false; } var Yourphone = document.getElementById('yourphone'); if ((Yourphone) && (Yourphone.value.replace(/ /g, '').length == 0)) { alert('Please enter your contact number.'); Yourphone.focus(); return false; } var Yourinterest = document.getElementById('yourinterest'); if ((Yourinterest) && (Yourinterest.selectedIndex == 0)) { alert('Please select your interest.'); Yourinterest.focus(); return false; } }