function setCookie(name, value, expires, path, domain) {
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime(today.getTime());
	
	// Expires in minutes
	if (expires)
		expires = expires * 60 * 1000;
	var expires_date = new Date(today.getTime() + expires);
	
	document.cookie = name + "=" +escape( value.toString().trim() ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" );
}

function getCookie(name) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if (!start && (name != document.cookie.substring(0, name.length)))
		return null;
	if ( start == -1 ) 
		return null;
	
	var end = document.cookie.indexOf(";", len);
	if (end == -1) 
		end = document.cookie.length;
	return unescape(document.cookie.substring(len, end));
}

String.prototype.trim = function() {
	a = this.replace(/^\s+/, '');
	return a.replace(/\s+$/, '');
};