function promotions_call(script, values, callback_div)
{
	var xmlHttpReq = false;
	var self = this;
	var callback = callback_div;
	self.xmlHttpReq = (typeof(XMLHttpRequest) != "undefined") ? new XMLHttpRequest() : new ActiveXObject("Msxml2.XMLHTTP");
	self.xmlHttpReq.open('POST', script, true);
	self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	self.xmlHttpReq.onreadystatechange = function()
	{
		var response;
		if (self.xmlHttpReq.readyState == 4)
		{
			var temp = self.xmlHttpReq.responseText;
			temp = temp.split("|");
			prom_id = temp[0];
			set_content(callback, temp[1]);
		}
	}
	self.xmlHttpReq.send(values);
}

function promotions_next()
{
	promotions_call(promotions_url, "prom_id="+prom_id+"&type=next", "promotionsholder");
}

function promotions_prev()
{
	promotions_call(promotions_url, "prom_id="+prom_id+"&type=prev", "promotionsholder");
}

function promotions_current()
{
	promotions_call(promotions_url, "prom_id="+prom_id, "promotionsholder");
}

promotions_current();