/*
 * Cookie library for JavaScript
 *
 * Cached page can use this for managing cookie.
 */

/*
 * Set value to cookie
 */
function setCookie( name, value, expires, path, domain, secure ) {
	/* set time, it's in milliseconds */
	var today = new Date();
	today.setTime( today.getTime() );
	
	/*
		if the expires variable is set, make the correct
		expires time, the current script below will set
		it for x number of days, to make it for hours,
		delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
	( ( path ) ? ";path=" + path : "" ) +
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
	
	return true;
}

/*
 * Get value from saved cookie
 * getCookie([COOKIE_NAME])
 */
function getCookie(c_name){
	var st="";
	var ed="";
	if (document.cookie.length>0){
		st=document.cookie.indexOf(c_name + "=");
		if (st!=-1){ 
			st=st+c_name.length+1;
			ed=document.cookie.indexOf(";",st);
			if (ed==-1) ed=document.cookie.length;
			return unescape(document.cookie.substring(st,ed));
		} 
	}
	return "";
}

if ( document.referrer && document.referrer == "http://lang-8.com/" ) {
	//setCookie("campaign_code", "Lang-8",expiredays)
	setCookie('campaign_code', 'Lang-8', '', '/', '', '');
}