var tb_imageCurrent;
var tb_imageNext;
var tb_imgNext;
var tb_imageOpacity;
var tb_stepOpacity;
var tb_blending;



/**
 * change to next teaser
 *
 */
function js_teaserboxesChange() {
	tb_imageCurrent = teaserboxes_show;
	tb_imageNext = tb_imageCurrent + 1;
	if (tb_imageNext >= teaserboxes_num)
		tb_imageNext = 0;

/*
	bl_imgNew = new Image(bankLogosWidth,bankLogosHeight);
	bl_imgNew.src = banklogosPath + banklogos[tb_imageNext];
	bl_imgNext = document.getElementById("banklogos-image-2");
	bl_imgNext.src = bl_imgNew.src;
*/
	document.getElementById("teaserbox-div2").innerHTML = teaserboxes_data[tb_imageNext];

/*
	bl_boxCurrent = document.getElementById("banklogos-logo-1");
	bl_boxNext = document.getElementById("banklogos-logo-2");
*/

	tb_imageOpacity = 100;
	interval = 50;
	tb_stepOpacity =  (100 / (1000 / interval)) / teaserboxes_blend;

/*window.alert("SETUP:" + imageOpacity + "#" + interval + "#" + stepOpacity + "#"); */
	tb_blending = window.setInterval("js_teaserboxesBlend()", interval);

}


function js_teaserboxesBlend() {
/*window.alert("BLEND:" + imageOpacity + "#"); */
	if (tb_imageOpacity < 0) {
		tb_imageOpacity = 0;
		window.clearInterval(tb_blending);
		js_teaserboxesExchange();
		return;
	}
	tb_boxCurrent = document.getElementById("teaserbox-div1");
	tb_boxCurrent.style.opacity = tb_imageOpacity / 100;
	tb_boxCurrent.style.filter = "alpha(opacity=" + (tb_imageOpacity) + ")";
	tb_imageOpacity = tb_imageOpacity - tb_stepOpacity;
}


function js_teaserboxesExchange() {
	tb_boxCurrent = document.getElementById("teaserbox-div1");
/*
	bl_imgCurrent.src = bl_imgNext.src;
*/
	document.getElementById("teaserbox-div1").innerHTML = teaserboxes_data[tb_imageNext];
	tb_boxCurrent.style.opacity = 1;
	tb_boxCurrent.style.filter = "alpha(opacity=" + (100) + ")";
	teaserboxes_show = tb_imageNext;
	window.setTimeout("js_teaserboxesChange()", teaserboxes_display * 1000);
}

window.setTimeout("js_teaserboxesChange()", teaserboxes_display * 1000);