jQuery.fn.valid_email=function(){var t=$(this);var email=t.val();if(email){t.isValidEmail=function(required){if(required==undefined){required=true;}if(email==null){if(required){return false;}return true;}if(email.length==0){if(required){return false;}return true;}if(!this.allValidChars()){return false;}if(email.indexOf("@")<1){return false;}else if(email.lastIndexOf(".")<=email.indexOf("@")){return false;}else if(email.indexOf("@")==email.length){return false;}else if(email.indexOf("..")>=0){return false;}else if(email.indexOf(".")==email.length){return false;}return true;};t.allValidChars=function(){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;};return t.isValidEmail();}}