var restgebiet=6;
var maxgesch=5;
var maxwidth=2000;
var startpos=0;
/* var endofgallerymsg='<span style="font-size: 11px;">Keine weiteren Bilder</span>'; */
var endofgallerymsg='';

function enlargeimage(path, optWidth, optHeight){ //function to enlarge image. Change as desired.
var actualWidth=typeof optWidth!="undefined" ? optWidth : "600px" //set 600px to default width
var actualHeight=typeof optHeight!="undefined" ? optHeight : "500px" //set 500px to  default height
var winattributes="width="+actualWidth+",height="+actualHeight+",resizable=yes"
window.open(path,"", winattributes)
}


var iedom=document.all||document.getElementById, scrollspeed=0, movestate='', actualwidth='', cross_scroll, ns_scroll, statusdiv, loadedyes=0, lefttime, righttime;

function ietruebody(){
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function creatediv(){
	statusdiv=document.createElement("div")
	statusdiv.setAttribute("id","statusdiv")
	document.body.appendChild(statusdiv)
	statusdiv=document.getElementById("statusdiv")
	statusdiv.innerHTML=endofgallerymsg
}

function positiondiv(){
var mainobjoffset=getposOffset(crossmain, "left"),
menuheight=parseInt(crossmain.offsetHeight),
mainobjoffsetH=getposOffset(crossmain, "top");
statusdiv.style.left=mainobjoffset+(menuwidth/2)-(statusdiv.offsetWidth/2)+"px";
statusdiv.style.top=menuheight+mainobjoffsetH+"px";
}

function showhidediv(what){
if (endofgallerymsg!="") {
positiondiv();
statusdiv.style.visibility=what;
}
}

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft: what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function moveleft(){
if (loadedyes){
movestate="left";
if (iedom&&parseInt(cross_scroll.style.left)>(menuwidth-actualwidth)){
cross_scroll.style.left=parseInt(cross_scroll.style.left)-scrollspeed+"px";
showhidediv("hidden");
}
else
showhidediv("visible");
}
lefttime=setTimeout("moveleft()",10);
}

function moveright(){
if (loadedyes){
movestate="right";
if (iedom&&parseInt(cross_scroll.style.left)<0){
cross_scroll.style.left=parseInt(cross_scroll.style.left)+scrollspeed+"px";
showhidediv("hidden");
}
else
showhidediv("visible");
}
righttime=setTimeout("moveright()",10);
}

function motionengine(e){
	var mainobjoffset=getposOffset(crossmain, "left"),
	dsocx=(window.pageXOffset)? pageXOffset: ietruebody().scrollLeft,
	dsocy=(window.pageYOffset)? pageYOffset : ietruebody().scrollTop,
	curposy=window.event? event.clientX : e.clientX? e.clientX: "";
	curposy-=mainobjoffset-dsocx;
	var leftbound=(menuwidth-restgebiet)/2;
	var rightbound=(menuwidth+restgebiet)/2;
	if (curposy>rightbound){
	scrollspeed=(curposy-rightbound)/((menuwidth-restgebiet)/2) * maxgesch;
	clearTimeout(righttime);
	if (movestate!="left") moveleft();
	}
	else if (curposy<leftbound){
	scrollspeed=(leftbound-curposy)/((menuwidth-restgebiet)/2) * maxgesch;
	clearTimeout(lefttime);
	if (movestate!="right") moveright();
	}
	else
	scrollspeed=0;
	}

function contains_ns6(a, b) {
if (b!==null)
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function stopmotion(e){
if (!window.opera||(window.opera&&e.relatedTarget!==null))
if ((window.event&&!crossmain.contains(event.toElement)) || (e && e.currentTarget && e.currentTarget!= e.relatedTarget && !contains_ns6(e.currentTarget, e.relatedTarget))){
clearTimeout(lefttime);
clearTimeout(righttime);
movestate="";
}
}

/**
 * Diese Funtion (init_fillup()) gibt es nur, weil man das
 * "if(document.getElementById("motioncontainer")) {" nicht in
 * der ersten Zeile der fillup() Funktion machen kann!?!
 * Einer der Browser läuft dann immer auf einen Fehler.
 *
 * Aufruf von init_fillup() in: templates/common/index.tpl
 *
 * CW 2007-06-19
 */

function init_fillup(){
	if(document.getElementById("motioncontainer") != null) {
		//alert(document.getElementById("motioncontainer"));
		fillup();
	}
}

function fillup(){
		if (iedom){
		crossmain=document.getElementById? document.getElementById("motioncontainer") : document.all.motioncontainer;
		if(typeof crossmain.style.maxWidth!=='undefined')
		crossmain.style.maxWidth=maxwidth+'px';
		menuwidth=crossmain.offsetWidth;
		cross_scroll=document.getElementById? document.getElementById("motiongallery") : document.all.motiongallery;
		actualwidth=document.getElementById? document.getElementById("trueContainer").offsetWidth : document.all['trueContainer'].offsetWidth;
		if (startpos)
		cross_scroll.style.left=(menuwidth-actualwidth)/startpos+'px';
		crossmain.onmousemove=function(e){
			motionengine(e);
		}

		document.getElementById("nachlinks").onmousemove=function(e){
			motionengine(e);
		}

		document.getElementById("nachrechts").onmousemove=function(e){
			motionengine(e);
		}


		crossmain.onmouseout=function(e){
		stopmotion(e);
		showhidediv("hidden");
		}
		}
		loadedyes=1
		if (endofgallerymsg!=""){
		creatediv();
		positiondiv();
		}
		if (document.body.filters)
		onresize()
		}
		//window.onload=fillup;

		onresize=function(){
		if (typeof motioncontainer!=='undefined'&&motioncontainer.filters){
		motioncontainer.style.width="0";
		motioncontainer.style.width="";
		motioncontainer.style.width=Math.min(motioncontainer.offsetWidth, maxwidth)+'px';
		}
		menuwidth=crossmain.offsetWidth;
		cross_scroll.style.left=startpos? (menuwidth-actualwidth)/startpos+'px' : 0;

}