/*
Cookies JavaScript File
Functions: setCookie, getCookie, deleteCookie, fixDate
Author: MichaelR
Aptimus, Inc. 2001
*/

// CHECK IF USER ACCEPTS COOKIES
var APTINET_acceptsCookies = false;
if( document.cookie == '' )
{
	document.cookie = 'APTINET_acceptsCookies=yes';
	if( document.cookie.indexOf('APTINET_acceptsCookies=yes') != -1 )
	{
		APTINET_acceptsCookies = true; 
    	}
}
else
{
	APTINET_acceptsCookies = true;
}


// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie( name, value, expires, path, domain, secure )
{
	if( APTINET_acceptsCookies )
	{
		var curCookie = name + "=" + escape(value) +
				((expires) ? "; expires=" + expires.toGMTString() : "") +
				((path) ? "; path=" + path : "") +
				((domain) ? "; domain=" + domain : "") +
				((secure) ? "; secure" : "");
		
		document.cookie = curCookie;
	}
}


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 ) );
}

function deleteCookie(name, path, domain) 
{
	var now = new Date();
	fixDate( now ); // fix the bug in Navigator 2.0, Macintosh
	var expired = new Date(now.getTime() - 28 * 24 * 60 * 60 * 1000); // 28 days ago
	
	if ( getCookie( name ) ) 
	{
		document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=" + expired.toGMTString();
	}
}

function fixDate(date) 
{
	var base = new Date(0);
	var skew = base.getTime();
	if (skew > 0) date.setTime(date.getTime() - skew);
}