function validate_email(field) {

                                field=trim(field); 
				var emailFilter=/^.+@.+\..{2,3}$/;
				var illegalChars= /[\!\"\£\$\%\^\&\*\+\=\{\}\~\#\?\(\)\<\>\,\;\:\\\/\"\[\]\ ]/;

				if ((!(emailFilter.test(field))) || (field.match(illegalChars))) {
					return 0;
				} else {
					return 1;
				}
			}

                       function trim (str) {
                                str = this != window? this : str;
                                return str.replace(/^\s+|\s+$/g,"");
                       }
	function validate_tel(field){
			var telFilter=/^([0-9\- ])+$/;
			if (!telFilter.test(field)) {return 0;} else {return 1;}
	}