/***********************************************
* CMotion Image Gallery- � Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit http://www.dynamicDrive.com for source code
* Last updated Mar 15th, 04'. Added "End of Gallery" message.
* This copyright notice must stay intact for legal use
***********************************************/
/*
Modified June 2006 by gedas deutschland gmbH to suite the needs
*/


var restarea=20 //1) width of the "neutral" area in the center of the gallery in px
var maxspeed=2 //2) top scroll speed in pixels. Script auto creates a range from 0 to top speed.
var endofgallerymsg="" //3) message to show at end of gallery. Enter "" to disable message.

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

var iedom=document.all||document.getElementById
var scrollspeed=0
var movestate=""

var actualwidth=''
var cross_scroll, ns_scroll
var loadedyes=0
var crossmain
var menuwidth
var mainobjoffset

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(){
	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!="")
		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 dsocx=(window.pageXOffset)? pageXOffset: ietruebody().scrollLeft;
	var dsocy=(window.pageYOffset)? pageYOffset : ietruebody().scrollTop;
	var 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
		if (window.righttime) clearTimeout(righttime)
		if (movestate!="left") moveleft()
	} else if (curposy<leftbound){
		scrollspeed=(leftbound-curposy)/((menuwidth-restarea)/2) * maxspeed
		if (window.lefttime) clearTimeout(lefttime)
		if (movestate!="right") moveright()
	} else {
		scrollspeed=0
	}
}

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

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

function fillup(){
	if (iedom){
		crossmain=document.getElementById? document.getElementById("motioncontainer") : document.all.motioncontainer
		menuwidth=parseInt(crossmain.style.width)
		mainobjoffset=getposOffset(crossmain, "left")
		cross_scroll=document.getElementById? document.getElementById("motiongallery") : document.all.motiongallery
		actualwidth=document.all? cross_scroll.offsetWidth : document.getElementById("trueContainer").offsetWidth

		/*commented out
		crossmain.onmousemove=function(e){
			motionengine(e)
		}

		crossmain.onmouseout=function(e){
			stopmotion(e)
			showhidediv("hidden")
		}*/
		/*gedas code*/
		var currentPos = document.getElementById("position").innerHTML
		var currentCount = document.getElementById("count").innerHTML
		var count =0;
		if (currentPos > 3 ){
			while(parseInt(cross_scroll.style.left)>(menuwidth-actualwidth) && count < currentPos-1){
				cross_scroll.style.left=(parseInt(cross_scroll.style.left)-20) + "px"
				count++
			}
		}
		scrollspeed=3;
		var buttonLeft=document.getElementById? document.getElementById("buttonleft") : document.all.buttonleft
    buttonLeft.onmousedown = function(e){
			moveright()			
		}
		buttonLeft.onmouseup = function(e){
			stopmotion(e)
		}
		var buttonRight=document.getElementById? document.getElementById("buttonright") : document.all.buttonright
		 buttonRight.onmousedown = function(e){
			moveleft()			
		}
		buttonRight.onmouseup = function(e){
			stopmotion(e)
		}
		
		/*end gedas code*/
	}
	loadedyes=1
	if (endofgallerymsg!=""){
		creatediv()
		positiondiv()
	}
}

window.onload=fillup