function y2k(number) { return (number < 1000) ? number + 1900 : number; } var today = new Date(); var year = y2k(today.getYear()); function check_email(e) { ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM"; for(i=0; i < e.length ;i++){ if(ok.indexOf(e.charAt(i)) < 0){ return (false); } } if (document.images) { re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/; re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/; if (!e.match(re) && e.match(re_two)) { return (-1); } } } function check_form(f) { // f is the form (passed using the this keyword) if(f.First_name.value.length < 1){ alert("Name field is empty, please enter your name"); f.First_name.focus(); // put the prompt in the name field // if the browser is Netscape 6 or IE if(document.all || document.getElementByID){ // change the color of text field f.First_name.style.background = "yellow"; } // make sure the form is not submitted return false; } // check the first email address ( the exclamation means "not" ) if(!check_email(f.email.value)){ alert("Invalid email detected"); f.email.focus(); // if the browser is Netscape 6 or IE if(document.all || document.getElementByID){ // change the color of text field f.email.style.background = "yellow"; } // make sure the form is not submitted return false; } } function text() { }; text = new text(); number = 0; text[number++] = "Don't forget to send us an email, we'll love to hear from you!" text[number++] = "To gain the confidence and acceptance by your client, you need to have a professional site." text[number++] = "Contact us for a free quotation. . ." text[number++] = "Let us help you to provide support to your customers. . ." text[number++] = "We can help you gain the competitive advantage!. . ." text[number++] = "Contact us for a free quotation. . ." text[number++] = "We can help you gain the competitive advantage!. . ." increment = Math.floor(Math.random() * number);