/* siehe http://www.adobe.com/support/flash/publishexport/scriptingwithflash/scriptingwithflash_03.html */
function setIMAGE(imgname) {
	var InternetExplorer = navigator.appName.indexOf("Microsoft") != -1;
	var buttons = InternetExplorer ? window.detect : window.document.detect;
	if (buttons != null ) { 
		buttons.SetVariable("/:bild", imgname);
		buttons.TCallLabel("/", "bildtausch");
	}
}