<!--
var promo_pool;
var promo_selected;
var promo_weight;

function createPromoPool() {
	var i;
	var rand;
	var curr;
	var now=new Date();
	definePromos();
	promo_weight=0;
	for (i=0;i<promo_pool.length;i++) {
		if (now<promo_pool[i].effective)
			promo_pool[i].enabled=false;
		if (now>promo_pool[i].expiry)
			promo_pool[i].enabled=false;
		if (promo_pool[i].enabled)
			promo_weight+=promo_pool[i].weight;
	}

	promo_selected=-1;

	curr=-1;
	rand=Math.random()*promo_weight;
	for (i=0;i<promo_pool.length & rand>0 & curr<0;i++)
		if (promo_pool[i].enabled) {
			if (rand < promo_pool[i].weight)
				curr=i;
			rand-=promo_pool[i].weight;
		}
	if (curr>=0) promo_selected=curr;
}

function getPromo() {
	var c=promo_selected;
	if (promo_pool[c].link != '')
		document.write('<a '+promo_pool[c].link+'><img src="'+promo_pool[c].pic+'" border="0"></a>');
	else
		document.write('<img src="'+promo_pool[c].pic+'" border="0">');
}
//-->
