function Slide(opacity, done) {
	var fin = 0;
	var preview = document.getElementById("PREVIEW");
	var previewLink = document.getElementById("PREVIEWLINK");
	if(done == 0) {
		if(opacity == 100) { // first call
			temp_image=new Image();
			temp_image.src=slide_images[act_image];
		}
    if(opacity > 0){
			opacity -= 1;
		}else{
			preview.src=temp_image.src;
			previewLink.href=slide_links[act_image];
			previewLink.title=slide_titles[act_image];
			done = 1;
    }
	}else {
		if (opacity < 100) {
			opacity += 1;
		}else{
			fin = 1;
			//done = 1;
		}
	}
	if (navigator.userAgent.indexOf("MSIE") != -1) {
		preview.style.filter = "alpha(opacity:" + opacity + ")";
	} else {
		preview.style.opacity = opacity/100;
	}
	if (fin) {
		done=0;
		if (act_image == max_image) {
			act_image=0;
		}else{
			act_image++;
		}
	}

	if (opacity <= 80) {
		timeout = opacity/2;
	}else{
		timeout = opacity;
	}
	setTimeout('Slide(' + opacity + ',' + done + ')', timeout);
}
Slide(100,0);