/* ------------------------------------------------ */

function IsEmailAddress() {
	var s = "", re;
	//retrieve email instance.
	s = "" +this + "";

	//length check: remove leading and trailing spaces and then test length.
	//x@x.xx is the smallest address... that's 6 characters. so, length
	//must be greater than 5 to continue.
	s = s.replace(/^\s*|\s*$/g, "");
	if (s == "undefined" || s.length < 6) {return false;}

	//test for spaces before checking syntax. spaces are illegal 
	//in an email address. if a space is found, it's definitely an illegal address:
	re = /\s+/g
	if (re.test(s)) {return false;}

	//validate email address syntax and remove any emails that don't 
	//match the basic syntax pattern below.
	re = /^(\w|[^_]\.|[\-])+((\@){1}([^_]))(([a-z]|[\d]|[\-]|\.)+|([^_]\.[^_])*)+\.[a-z]{2,6}$/i
	if (!re.test(s)) {return false;}

	//validate domain part of the email against all known TLDs as of May 2001 
	re = /\.(a[c-gil-oq-uwz]|b[a-bd-jm-or-tvwyz]|c[acdf-ik-orsuvx-z]|d[ejkmoz]|e[ceghr-u]|f[i-kmorx]|g[abd-ilmnp-uwy]|h[kmnrtu]|i[delm-oq-t]|j[emop]|k[eg-imnprwyz]|l[a-cikr-vy]|m[acdghk-z]|n[ace-giloprtuz]|om|p[ae-hk-nrtwy]|qa|r[eouw]|s[a-eg-ort-vyz]|t[cdf-hjkm-prtvwz]|u[agkmsyz]|v[aceginu]|w[fs]|y[etu]|z[admrw]|com|edu|net|org|mil|gov|biz|pro|aero|coop|info|name|museum)$/i
	if (!re.test(s)) {return false;}

	//fix the .. problem...
	re = /\.\./
	if (re.test(s)) {return false;}

	//fix the @@ problem...
	re = /\@\@/
	if (re.test(s)) {return false;}

return true;
}

String.prototype.IsEmail = IsEmailAddress;

function getCookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}

function xxgetCookie(sName)
{
  // cookies are separated by semicolons
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++)
  {
    // a name/value pair (a crumb) is separated by an equal sign
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0]) 
    //  return unescape(aCrumb[1]);
      return unescape(aCookie);
  }

  // a cookie with the requested name does not exist
  return "";
};

function createCookie(name,value,mins) { /*days) {*/
	//if (days) {
	if (mins) {

		var date = new Date();
		//date.setTime(date.getTime()+(days*24*60*60*1000));
		date.setTime(date.getTime()+(mins*60*1000));

		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
};