$(document).ready(function(){
	$.validator.addMethod("lettersonly", function(value, element) {
		return this.optional(element) || /^[a-z ]+$/i.test(value);
	}, "<br />Letters and spaces only please"); 

   $.validator.addMethod(
        "dateITA",
        function(value, element) {
                var check = false;
                var re = /^\d{1,2}\/\d{1,2}\/\d{4}$/
                if( re.test(value)){
                        var adata = value.split('/');
                        var gg = parseInt(adata[0],10);
                        var mm = parseInt(adata[1],10);
                        var aaaa = parseInt(adata[2],10);
                        var xdata = new Date(aaaa,mm-1,gg);
                        if ( ( xdata.getFullYear() == aaaa ) && (
                        xdata.getMonth () == mm - 1 ) && ( xdata.getDate() == gg ) )
                                check = true;
                        else
                                check = false;
                } else
                        check = false;
                return this.optional(element) || check;
   },
   "Please enter a correct date");

	$("#commentForm").validate();
 });