var breadcrumbs = "Start";
function warning_javascript() { 
	document.getElementById('warning_javascript').innerHTML = "";
	if (screen.height == 800) {
		document.getElementById("left_frame").style.height = "200px";
	} else {
		document.getElementById("left_frame_down").style.borderWidth = "0px";
	}
}
function start(zahl) {
	document.getElementById('start_picture').src = "images/arsastrologica_" + zahl + ".png";
}
function text_menue(menueA, bildA) { 
	document.getElementById('main_menue_' + menueA).style.backgroundImage = "" + 
		"url(images/button_" + bildA + ".png)";
}
function text_menue_twice(menueA, bildA, menueB, bildB) { 
	document.getElementById('main_menue_' + menueA).style.backgroundImage = "" + 
		"url(images/button_" + bildA + ".png)";
	document.getElementById('sub_menue_' + menueB).style.backgroundImage = "" + 
		"url(images/button_" + bildB + ".png)";
}
function text_sub_menue(menueA, bildA) { 
	document.getElementById('sub_menue_' + menueA).style.backgroundImage = "" + 
		"url(images/button_" + bildA + ".png)";
}