/***********************************************
* 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=6;
 //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;">Galeria zdjęć</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)
}

////NO NEED TO EDIT BELOW THIS LINE////////////

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(){
	if(crossmain) {
		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){
	if(what) {
		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(cross_scrollVar, actualwidthVar){
	var cross_scroll = cross_scrollVar;
	//var actualwidth = actualwidthVar;

	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(cross_scroll)",10);
}

function moveright(cross_scrollVar, actualwidthVar){
	var cross_scroll = cross_scrollVar;
	//var actualwidth = actualwidthVar;
	
	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(cross_scroll)",10);
}

function motionengine(e, crossmainVar, cross_scrollVar, actualwidthVar){

	crossmain = crossmainVar;
	cross_scroll = cross_scrollVar;
	actualwidth = actualwidthVar;

	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-restarea)/2;
	var rightbound=(menuwidth+restarea)/2;
	if (curposy>rightbound){
		scrollspeed=(curposy-rightbound)/((menuwidth-restarea)/2) * maxspeed;
		clearTimeout(righttime);
		if (movestate!="left") moveleft(cross_scroll, actualwidth);
	}
	else if (curposy<leftbound){
	scrollspeed=(leftbound-curposy)/((menuwidth-restarea)/2) * maxspeed;
	clearTimeout(lefttime);
	if (movestate!="right") moveright(cross_scroll, actualwidth);
	}
	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, crossmainVar){
	crossmain = crossmainVar;
	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="";
	}
}

function fillup(motioncontainer, motiongallery, trueContainer){
	if (iedom){
	crossmain = document.getElementById? document.getElementById(motioncontainer) : document.all.motioncontainer;
	if(crossmain) {
		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, this, this.firstChild, this.firstChild.firstChild.offsetWidth);
		}

		crossmain.onmouseout=function(e){
			stopmotion(e, this);
			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';
	}
	if(crossmain) {
		menuwidth=crossmain.offsetWidth;
		cross_scroll.style.left=startpos? (menuwidth-actualwidth)/startpos+'px' : 0;
	}
}
*/