//change opacity 
function 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 ueberblend(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//bild als hintergrund setzen
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//bild transparent machen
	changeOpac(0, imageid);
	
	//neues bild holen
	document.getElementById(imageid).src = imagefile;

	//bild einblenden
	for(i = 0; i <= 99; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}


function farbe(id,farbnr)
{
document.getElementById(id).style.color=farbnr;
}


function klasse(id,klassenname)
{
document.getElementById(id).className=klassenname;
}


//     Bilder-Rollover                          
function rollen(bildName,bildQuelle) {
	if (document.images)
	bildName.src = bildQuelle;
}