var layer_ref = null;
var xv = 24;
var c = 0;
var left_grenze = 0;
var akt_index = 0;
function slide_layer_delay() {
	c++;
	var o_left = getLayerLeftPos();
	if (o_left > left_grenze) {
		var rest = o_left - left_grenze;
		var jmp = (Math.round(rest / xv))+1;
		o_left = Math.round(o_left - jmp);
		layer_ref.style.left = o_left + "px";
		setTimeout("slide_layer_delay()",4);
	} else {
		setTimeout("slide_layer()",15000);
	}
}
function slide_layer(){
	write_text();
	layer_ref = document.getElementById("textDiv");
	layer_ref.style.left = "570px";
	setTimeout("slide_layer_delay()",100);
}

function getLayerLeftPos() {
	left_ = layer_ref.style.left;
	left_ = left_.replace(/px/, "");	
	return left_;
}

function write_text() {
	if (akt_index >= random_text.length) {
		akt_index = 0;
	}
	var text = random_text[akt_index];
	layer_ref = document.getElementById("textDiv");
	layer_ref.innerHTML = text;
	akt_index++;
}


function setTitle(name) {
	document.title = "Klangzeit | "+name;
}

function setBackgroundGuestbookDelay() {
	setTimeout("setBackgroundGuestbook()",1000);
}

function setBackgroundGuestbook() {
	var ref1 = document.getElementById("contentFrame");
	//debug_obj(ref1)
	ref1.scrolling = "auto";

	var ref = window.top.contentFrame.document.body;
	ref.style.background = "#000";
}



function debug_obj(obj) {
	if (typeof(obj) != "object") {
		alert("no Object");	
	}
	else{
		var str = "";
		var cnt = 0;
		for (var i in obj) {
			str += cnt + " " + i + " ==> " + obj[i] + "\n";
			cnt++;
			if ((cnt %20) == 0){
				alert(str);
				str = "";
			}
		}
		alert(str);
	}
}