var bl_speed = 10;
var bl_bannersn = 2;
var bl_currentbanner = 0;
var bl_banners = {
0: ["i/bl/images/banners/248x190_bl_top.side_sub.online_uk.png","index.php?area=businesslife&lng=uk&page=2-4"], 
1: ["i/bl/images/banners/bl.promo.banner.protoria.248x190.uk.png","index.php?area=businesslife&lng=uk&page=6-11"]

}

function bl_changeOpac(opacity, id) {
	var object = document.getElementById(id).style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function bl_fadeout(){
	var timer = 0;
	// fade out old image
	//fade in image
	for(var i = 100; i >= 0; i--) {
		setTimeout("bl_changeOpac(" + i + ",'bl_img')",(timer * bl_speed));
		timer++;
	}
	//make image finally transparent
	//changeOpac(0, 'img');
	setTimeout("bl_fadein()", 1001);
}

function bl_fadein(){
	var timer = 0;
	var newbanner = (bl_currentbanner+1==bl_bannersn)?0:bl_currentbanner+1;
	//make new image
	document.getElementById('bl_img').src = bl_banners[newbanner][0];
	//fade in image
	for(var i = 0; i <= 100; i++) {
		setTimeout("bl_changeOpac(" + i + ",'bl_img')",(timer * bl_speed));
		timer++;
	}
	// put new link
	document.getElementById('bl_imglnk').href = bl_banners[newbanner][1];

	bl_currentbanner = newbanner;

	setTimeout("bl_fadeout()", 4500);
}