//validate emailfunction IsMail(mail) 
...{ 
var patrn = /^w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*$/; return patrn.test(mail);
}//validate urlfunction IsURL(url)...{ var regexp = /^http://[A-Za-z0-9]+.[A-Za-z0-9]+[/=?%-&_~`@[]':+!]*([^<>""])*$/; return regexp.test(url);}