/***********************************************
* CMotion Image Gallery- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit http://www.dynamicDrive.com for source code
* This copyright notice must stay intact for legal use
* Modified for autowidth and optional starting positions in
* http://www.dynamicdrive.com/forums/showthread.php?t=11839 by jschuer1 8/5/06
***********************************************/

 //1) Set width of the "neutral" area in the center of the gallery.
var restarea=20;
 //2) Set top scroll speed in pixels. Script auto creates a range from 0 to top speed.
var maxspeed=7;
 //3) Set to maximum width for gallery - must be less than the actual length of the image train.
var maxwidth=1000;
 //4) Set to 1 for left start, 0 for right, 2 for center.
var startpos=2;
 //5) Set message to show at end of gallery. Enter "" to disable message.
var endofgallerymsg='<span style="font-size: 11px;">Ende der Galerie!</span>';

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)
}

/* already in class.tx_chimgslider_pi1.php
var galleries=new Array();
*/
////NO NEED TO EDIT BELOW THIS LINE////////////

var crossmain=new Array();
var statusdiv=new Array();
var scrollspeed=new Array();
var cross_scroll=new Array();
var lefttime=new Array();
var righttime=new Array();
var loadedyes=new Array();
var menuwidth=new Array();
var actualwidth=new Array();
var movestate=new Array();
/* TODO: ARRAYS BERÜCKSICHTIGEN */
var iedom; //=document.all||document.getElementById, scrollspeed=0, movestate='', actualwidth='', cross_scroll, ns_scroll, statusdiv, loadedyes=0, lefttime[postid], righttime[postid];

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

function creatediv(postid){
	statusdiv[postid]=document.createElement("div");
	statusdiv[postid].setAttribute("id","statusdiv"+postid);
	statusdiv[postid].setAttribute("class","statusdiv");	
	statusdiv[postid].setAttribute("className","statusdiv");	
	document.body.appendChild(statusdiv[postid]);
	statusdiv[postid]=document.getElementById("statusdiv"+postid);

	statusdiv[postid].innerHTML=endofgallerymsg;
}

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

function showhidediv(what,postid){
	if (endofgallerymsg!="") {
		positiondiv(postid);
		statusdiv[postid].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(postid){
	window.status = "move:"+postid;
	if (loadedyes[postid]){
		movestate[postid]="left";
	if (iedom&&parseInt(cross_scroll[postid].style.left)>(menuwidth[postid]-actualwidth[postid])){
		cross_scroll[postid].style.left=parseInt(cross_scroll[postid].style.left)-scrollspeed[postid]+"px";
		showhidediv("hidden",postid);
	}
	else
		showhidediv("visible",postid);
	}
	lefttime[postid]=setTimeout("moveleft("+postid+")",10);
	return true;
}

function moveright(postid){
	window.status ="move:"+postid;
	if (loadedyes[postid]){
		movestate[postid]="right";
	if (iedom&&parseInt(cross_scroll[postid].style.left)<0){
		cross_scroll[postid].style.left=parseInt(cross_scroll[postid].style.left)+scrollspeed[postid]+"px";
		showhidediv("hidden",postid);
	}
	else
		showhidediv("visible",postid);
	}
	righttime[postid]=setTimeout("moveright("+postid+")",10);
	return true;
}

function motionengine(e,postid){
	var mainobjoffset=getposOffset(crossmain[postid], "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[postid]-restarea)/2;
	var rightbound=(menuwidth[postid]+restarea)/2;
	if (curposy>rightbound){
		scrollspeed[postid]=(curposy-rightbound)/((menuwidth[postid]-restarea)/2) * maxspeed;
		clearTimeout(righttime[postid]);
		if (movestate[postid]!="left") 
			moveleft(postid);
	}
	else if (curposy<leftbound){
		scrollspeed[postid]=(leftbound-curposy)/((menuwidth[postid]-restarea)/2) * maxspeed;
		clearTimeout(lefttime[postid]);
		if (movestate[postid]!="right") 
			moveright(postid);
	}
	else
	scrollspeed[postid]=0;
}

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

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

function fillup(){
/* Changed by Christian Holzmann: do more than one gallery*/

	for(var c=0;c<galleries.length;c++)
	{
		postid=galleries[c];
		iedom=document.all||document.getElementById, scrollspeed[postid]=0, movestate[postid]='', actualwidth[postid]='', cross_scroll[postid], statusdiv[postid], loadedyes[postid]=0, lefttime[postid], righttime[postid];
		
		if (iedom){
			crossmain[postid]=document.getElementById?document.getElementById("motioncontainer"+postid) : document.all['motioncontainer'+postid];
			crossmain[postid].postid=postid;
			//crossmain[postid].setAttribute("postid",postid);
			if(typeof crossmain[postid].style.maxWidth!=='undefined')
				crossmain[postid].style.maxWidth=maxwidth+'px';
			menuwidth[postid]=crossmain[postid].offsetWidth;
			cross_scroll[postid]=document.getElementById? document.getElementById("motiongallery"+postid) : document.all['motiongallery'+postid];
			
			actualwidth[postid]=document.getElementById? document.getElementById("trueContainer"+postid).offsetWidth : document.all['trueContainer'+postid].offsetWidth;
			if (startpos)
				cross_scroll[postid].style.left=(menuwidth[postid]-actualwidth[postid])/startpos+'px';
			crossmain[postid].onmousemove=function(e){
			//alert(this.postid);
				motionengine(e,this.postid);
			}
		
			crossmain[postid].onmouseout=function(e){
				stopmotion(e,this.postid);
				showhidediv("hidden",this.postid);
			}
		}
		
		loadedyes[postid]=1
		if (endofgallerymsg!=""){
			creatediv(postid);
			positiondiv(postid);
		}
	}
	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[postid]=crossmain[postid].offsetWidth;
		cross_scroll[postid].style.left=startpos? (menuwidth[postid]-actualwidth[postid])/startpos+'px' : 0;
	}