// developed by Stanislav Melnichuk (IndiSign Planet), email: indi2000@pisem.net, ICQ: 251052470
function ValidateEmail(email) {
	email = email.replace(/(^\s*)|(\s*$)/g, "");
	if (email == "") { alert ("Please enter Email Address."); return false; }
	re = /^[\w-\.]+@([\w-]+\.)+([a-z]{2,4})$/i ;
	
	if(re.test(email)) return true; else alert("Please enter valid Email Address");
	return false;
}

function ValidateURL(url) {
	url = url.replace(/(^\s*)|(\s*$)/g, "");
	if (url == "") return true;
	re = /^([^\s]+\.)+([\w]{2,3})[^\s]*$/i ;
	if(re.test(url)) return true;	 
		else { alert("Please enter valid URL");  return false;	}
}

function ValidateLogin(login) {
	login = login.replace(/(^\s*)|(\s*$)/g, "");
	if (login == "") { alert ("Please enter Username."); return false; }
  re = /[\s]+/i ;

	if (re.test(login)) alert("Spaces are not allowed in Username. Please re-enter."); else return true;
	return false;
}