// Scroll Funktion
iens6 = document.all||document.getElementById;
ns4 = document.layers;

// Variablen Init
var speed = 66; // Scrollgeschwindigkeit horizontal
var speedvert = 50; // Scrollgeschwindigkeit vertikal
var movedownvar;
var moveupvar;
var moveleftvar;
var moverightvar;
var crossobj;
var contentheight;
var contentwidth;

// Base
function getCrossObj(name) {
	if (iens6){
		crossob=document.getElementById? document.getElementById(name) : document.all.content;
	} else if (ns4){
		crossob=document.nscontainer.document.nscontent;
	}
	return crossob;
}
function prepareData(name){
	crossobj = getCrossObj(name);
	
	if (iens6){
		contentwidth=crossobj.offsetWidth;
	} else if (ns4){
		document.nscontainer.document.nscontent.visibility="show";
	}
	
	if (iens6){
		contentheight=crossobj.offsetHeight;
	} else if (ns4){
		document.nscontainer.document.nscontent.visibility="show";
	}
}


// Functionen
function movedown(){
	if (iens6&&parseInt(crossobj.style.top)>(contentheight*(-1)+150)){
		crossobj.style.top=parseInt(crossobj.style.top)-speedvert+"px";
	}else if (ns4&&crossobj.top>(contentheight*(-1)+150)){
		crossobj.top-=speedvert;
	}
	//movedownvar=setTimeout("movedown()",20);
	return false;
}

function moveup(){
	if (iens6&&parseInt(crossobj.style.top)<0){
		crossobj.style.top=parseInt(crossobj.style.top)+speedvert+"px";
	}else if (ns4&&crossobj.top<0){
		crossobj.top+=speedvert;
	}
	//moveupvar=setTimeout("moveup()",20);
	return false;
}

function moveleft(){
	if (iens6&&parseInt(crossobj.style.left)>(contentwidth*(-1)+198)){
		crossobj.style.left=parseInt(crossobj.style.left)-speed+"px";
	}else if (ns4&&crossobj.left>(contentwidth*(-1)+198)){
		crossobj.left-=speed;
	}
	//moveleftvar=setTimeout("moveleft()",20);
	return false;
}

function moveright(){
	if (iens6&&parseInt(crossobj.style.left)<0){
		crossobj.style.left=parseInt(crossobj.style.left)+speed+"px";
	}else if (ns4&&crossobj.left<0){
		crossobj.left+=speed;
	}
	//moverightvar=setTimeout("moveright()",20);
	return false;
}