<!--

var imgPfeil = new Image;
imgPfeil.src = "image/pfeil.gif";
var imgPfeil2 = new Image;
imgPfeil2.src = "image/pfeil2.gif";

var imgShim = new Image;
imgShim.src = "image/shim.gif";

/**************************************************************/
/* NavOver(String)                                            */
/**************************************************************/
function NavOver(imgnr) {
	eval("document.images['"+imgnr+"'].src = imgPfeil.src;");
}


/**************************************************************/
/* NavOut(String)                                             */
/**************************************************************/
function NavOut(imgnr) {
	if (active_nav != imgnr){
		eval("document.images['"+imgnr+"'].src = imgShim.src;");
	}
}


/**************************************************************/
/* SNavOver(String)                                           */
/**************************************************************/
function SNavOver(imgnr) {
	eval("document.images['"+imgnr+"'].src = imgPfeil2.src;");
}


/**************************************************************/
/* SNavOut(String)                                            */
/**************************************************************/
function SNavOut(imgnr) {
	if (active_sub_nav != imgnr){
		eval("document.images['"+imgnr+"'].src = imgShim.src;");
	}
}


-->