function toggle_tv(btn,stop) {
	var items = new Array();
	var btns = new Array();
	items[0] = 'livestream';
	items[1] = 'programm_uebersicht';
	items[2] = 'videoarchiv';
	
	btns['livestream'] = 'livestr-aktiv';
	btns['programm_uebersicht'] = 'programm-aktiv';
	btns['videoarchiv'] = 'archiv-aktiv';
	
	for (i=0;i<=2;i++) {
		if (items[i] == btn) {
			Effect.Appear(btn,{duration:0.4});
			Effect.Appear(btns[btn],{duration:0.4});
		}
	}

	for (i=0;i<=2;i++) {
		if (items[i] != btn) {
			Effect.Fade(items[i],{duration:0.2});
			Effect.Fade(btns[items[i]],{duration:0.2});
		}
	}
	if (stop == "yes") {
		auto_toggle_off();
	}

}

function auto_toggle(i) {
	var items = new Array();
	items[0] = 'livestream';
	items[1] = 'programm_uebersicht';
	items[2] = 'videoarchiv';
	toggle_tv(items[i],"no");
	j=i+1;
	if (j>2) j=0;
	autotoggle=window.setTimeout("auto_toggle("+j+")", 8000);
}

function auto_toggle_off() {
	window.clearTimeout(autotoggle);
}