function setOpacity (obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	
	//IE/Win
	obj.style.filter = "alpha (opacity:" + opacity + ")";
	//obj.style.filter = "alpha (opacity:" + opacity + ")";
	
	//Safari < 1.2, konqueror
	obj.style.KHTMLOpacity = opacity / 100;
	
	//Older Mozilla und Firefox
	obj.style.MozOpacity = opacity / 100;
	
	//Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity / 100;
}