// ##############   AJAX   ##############
function ajax(post, processor, container, level)
{
	var levelPrefix = "";
	while (level > 1)
	{
		levelPrefix += "../";
		level--;
	}
	var target = document.getElementById(container);
	target.innerHTML = "<img src=" + levelPrefix + "includes/ajax/ajax-loader.gif>"; // temporarily replace data with loader
	var XMLHttpRequestObject = false; // zero out XMLHttpRequest
	// firefox
	if (window.XMLHttpRequest) XMLHttpRequestObject = new XMLHttpRequest(); // create XMLHttpRequest
	// internet explorer
	else if (window.ActiveXObject) XMLHttpRequestObject = new ActiveXObject ("Microsoft.XMLHTTP"); // create XMLHttpRequest
	
	// if request created
	if (XMLHttpRequestObject)
	{
		XMLHttpRequestObject.open("POST", levelPrefix + "includes/ajax/" + processor, true);
		XMLHttpRequestObject.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		XMLHttpRequestObject.onreadystatechange = function()
		{                      
			if (XMLHttpRequestObject.readyState == 4 || XMLHttpRequestObject.readyState == "complete")
			{ 
				var response = XMLHttpRequestObject.responseText;
				var b = response.split(/\<\/?script[^\<]*\>/i)[1];
				eval(b); // parse javascript
				target.innerHTML = response; // output XMLHttpRequest response
			}
		}
		XMLHttpRequestObject.send(post); // POST data
	}
}

// ##############   COOKIES   ##############
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);
}