/*=========================================================================================
===========================================================================================
Author			:	Igor Krstev, Arkus 
Created			:	2006.10.25
Description		:	Cookie manipulation methods
Code			:	
Dependencies	: 
Libraries		: 
Includes		: 
Other			: 
Revisions		: 
Comment         :   Code is taken from : http://www.quirksmode.org/js/cookies.html
=============================== Copyright	Arkus ©2008 ==================================
===========================================================================================*/


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);
}



/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, domain, expires, path, secure) {
    document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);

    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }

    var end = document.cookie.indexOf(";", begin);

    if (end == -1) {
        end = dc.length;
    }

    return unescape(dc.substring(begin + prefix.length, end));
}