/******************************************************************************************
* @author		Tony Huynh
* @name			enter
* @description	Returns true if user presses enter, false otherwise
* @param		Event e 	:: event which users triggers
* @return		Boolean		:: returns true if enter is pressed, false otherwise
******************************************************************************************/
function enter(e)
{
	if (window.event) keycode = window.event.keyCode; //IE
	else if (e.which) keycode = e.which; //Netscape/Firefox/Opera
	else return false;

	if (keycode == 13) return true;
	
	return false;
}

/****************************************************************
* Email Validation script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
****************************************************************/
function isEmail(email) {
	return /^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i.test(email);
}