function imgRefresh(t, id, img, bgImg) {
	tmp = new Date();
	tmp = "?"+tmp.getTime();
	
	if(!bgImg) $(id).src = image+tmp;
	else $(id).style.backgroundImage = 'url('+img+tmp+')';
	
	setTimeout('imgRefresh("'+t+'", "'+id+'", "'+img+'", "'+bgImg+'")', t*1000)
}

function refreshBestTips() {
	new Ajax('inc/besttips.php', {method: 'get', update: $('besttips')}).request();
	setTimeout('refreshBestTips()', 300000) //5 minutes
}

function refreshNews() {
	if($('news')) {
		new Ajax('inc/news.php', {method: 'get', update: $('news')}).request();
		setTimeout('refreshNews()', 150000); //2.5 minutes
	}
}

function averageBlink() {
	//$('average').setStyle('opacity', $('average').getStyle('opacity') < 1 ? 1 : 0.2);
	//setTimeout('averageBlink()', 600);
}

function initialize() {
	averageBlink();
	
	setTimeout("imgRefresh(60, 'grafic1', 'http://www.kitconet.com/charts/metals/gold/t24_au_en_usoz_2.gif', true)", 30000);
	setTimeout("imgRefresh(60, 'grafic5', 'http://www.kitconet.com/charts/metals/gold/tny_au_en_usoz_4.gif', true)", 30000);
	setTimeout("imgRefresh(60, 'grafic2', 'http://www.kitconet.com/charts/metals/silver/t24_ag_en_usoz_2.gif', true)", 30000);
	setTimeout("imgRefresh(60, 'grafic3', 'http://www.kitconet.com/charts/metals/platinum/t24_pt_en_usoz_2.gif', true)", 30000);
	setTimeout("imgRefresh(60, 'grafic4', 'http://www.kitconet.com/charts/metals/palladium/t24_pd_en_usoz_2.gif', true)", 30000);
	setTimeout("refreshNews()", 30000);
	setTimeout("refreshBestTips()", 30000);
}