function verifyImage() { if(document.frmcontact.imageveri.value != "43867" ) { return false; } return true; } function isValidEmail(email, required) { if (required==undefined) { // if not specified, assume it's required required=true; } if (email==null) { if (required) { return false; } return true; } if (email.length==0) { if (required) { return false; } return true; } if (! allValidChars(email)) { // check to make sure all characters are valid return false; } if (email.indexOf("@") < 1) { // must contain @, and it must not be the first character return false; } else if (email.lastIndexOf(".") <= email.indexOf("@")) { // last dot must be after the @ return false; } else if (email.indexOf("@") == email.length) { // @ must not be the last character return false; } else if (email.indexOf("..") >=0) { // two periods in a row is not valid return false; } else if (email.indexOf(".") == email.length) { // . must not be the last character return false; } return true; } function allValidChars(email) { var parsed = true; var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_"; for (var i=0; i < email.length; i++) { var letter = email.charAt(i).toLowerCase(); if (validchars.indexOf(letter) != -1) continue; parsed = false; break; } return parsed; } function trim(str, chars) { return ltrim(rtrim(str, chars), chars); } function ltrim(str, chars) { chars = chars || "\\s"; return str.replace(new RegExp("^[" + chars + "]+", "g"), ""); } function rtrim(str, chars) { chars = chars || "\\s"; return str.replace(new RegExp("[" + chars + "]+$", "g"), ""); }