var bl_imageCurrent;
var bl_imageNext;
var bl_imgNext;
var bl_imageOpacity;
var bl_stepOpacity;
var bl_logoBlending;



/**
 * change to next image
 *
 */
function js_banklogoChange() {
	bl_imageCurrent = banklogosShow;
	bl_imageNext = bl_imageCurrent + 1;
	if (bl_imageNext >= banklogosCount)
		bl_imageNext = 0;
	bl_imgNew = new Image(bankLogosWidth,bankLogosHeight);
	bl_imgNew.src = banklogosPath + banklogos[bl_imageNext];
	bl_imgNext = document.getElementById("banklogos-image-2");
	bl_imgNext.src = bl_imgNew.src;

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

	bl_imageOpacity = 100;
	interval = 50;
	bl_stepOpacity =  (100 / (1000 / interval)) / bankLogosTimeBlend;

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

}


function js_banklogoBlend() {
/*window.alert("BLEND:" + imageOpacity + "#"); */
	if (bl_imageOpacity < 0) {
		bl_imageOpacity = 0;
		window.clearInterval(bl_blending);
		js_banklogoExchange();
		return;
	}
	bl_boxCurrent = document.getElementById("banklogos-logo-1");
	bl_boxCurrent.style.opacity = bl_imageOpacity / 100;
	bl_boxCurrent.style.filter = "alpha(opacity=" + (bl_imageOpacity) + ")";
	bl_imageOpacity = bl_imageOpacity - bl_stepOpacity;
}


function js_banklogoExchange() {
	bl_imgCurrent = document.getElementById("banklogos-image-1");
	bl_imgCurrent.src = bl_imgNext.src;
	bl_boxCurrent.style.opacity = 1;
	bl_boxCurrent.style.filter = "alpha(opacity=" + (100) + ")";
	banklogosShow = bl_imageNext;
	window.setTimeout("js_banklogoChange()",bankLogosTimeDisplay * 1000);
}

window.setTimeout("js_banklogoChange()",bankLogosTimeDisplay * 1000);