var imgOver=new Image;
var imgOut=new Image;
var intLastClick=-1;
var strImgName="pf"

imgOver.src="/img/pfeil.gif";
imgOut.src="/img/pfeil_trans.gif";

function SwapImg(intNr) {
	//mouseOUT -> nur wenn nicht angeklickt
	if (document.images[strImgName+intNr].src==imgOver.src && intLastClick!=intNr)
		document.images[strImgName+intNr].src=imgOut.src;
	else //mouseOVER
		document.images[strImgName+intNr].src=imgOver.src;
}

function SwapImgClick(intNr) {
	if ((intLastClick!=-1) && (intNr!=intLastClick)) document.images[strImgName+intLastClick].src=imgOut.src;
	intLastClick=intNr
}