function validate_email(a){var b=/^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;return b.test(a)}function onlyNumbers(e){var a;var b;var c;if(e.which){a=e.which}else if(window.event){a=e.keyCode}if(a==8||a==9||a==13||a==46)return a;b=String.fromCharCode(a);c=/\d/;return c.test(b)}function onlyPhone(e){var a;var b;var c;if(e.which){a=e.which}else if(window.event){a=e.keyCode}if(a==8||a==9||a==13||a==46)return a;b=String.fromCharCode(a);c=/[\d\+\-]/;return c.test(b)}