// JavaScript Document

// Cookie Management
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*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);
}
function eraseDomainCookie(name, domain) {
	var date = new Date();
	date.setTime(date.getTime()+(-1*24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	document.cookie = name+"="+expires+"; path=/; domain="+domain;
}
function encode(str) {
	var result = "";
	
	for (i = 0; i < str.length; i++) {
		if (str.charAt(i) == " ") result += "+";
		else result += str.charAt(i);
	}
	
	return escape(result);
}

function decode(str) {
//	var result = "";

 	if (str != null) {
		var result = str.replace(/\+/g, " ");
		
	/*	
		for (i = 0; i< str.length; i++) {
			if (str.charAt(i) == "+") result += " ";
			else result += str.charAt(i);
		}
	*/
		return unescape(result);
	} else {
		return '';	
	}
}