//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=4;
 //3) Set to maximum width for gallery - must be less than the actual length of the image train.
var maxwidth='100%';
 //4) Set to 1 for left start, 0 for right, 2 for center.
var startpos=0;
 //5) Set message to show at end of gallery. Enter "" to disable message.
var endofgallerymsg='<span style="font-size: 11px;">End of Gallery</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)
}

////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, easytime;

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-restarea)/2;
    var rightbound=(menuwidth+restarea)/2;
    if (curposy>rightbound){
        scrollspeed=(curposy-rightbound)/((menuwidth-restarea)/2) * maxspeed;
        clearTimeout(righttime);
        if (movestate!="left") moveleft();
    } else if (curposy<leftbound){
        scrollspeed=(leftbound-curposy)/((menuwidth-restarea)/2) * maxspeed;
        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);
clearTimeout(easytime);
movestate="";
}
}

function fillup(){
    if (iedom){
        crossmain=document.getElementById? document.getElementById("hmg_motioncontainer_a") : document.all.hmg_motioncontainer_a;
        if(typeof crossmain.style.maxWidth!=='undefined') crossmain.style.maxWidth=maxwidth;
        menuwidth=crossmain.offsetWidth;
        cross_scroll=document.getElementById? document.getElementById("hmg_motiongallery") : document.all.hmg_motiongallery;
        actualwidth=document.getElementById? document.getElementById("hmg_trueContainer").offsetWidth : document.all['hmg_trueContainer'].offsetWidth;
        if (startpos) cross_scroll.style.left=(menuwidth-actualwidth)/startpos+'px';
        crossmain.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;

window.onload = function(){
    fillup();
    onresize();
    easymove();
    //setContainerCenter();
    
}

window.size = function(){
	var w = 0;
	var h = 0;
	//IE
	if(!window.innerWidth){
		//strict mode
		if(!(document.documentElement.clientWidth == 0)){
			w = document.documentElement.clientWidth;
			h = document.documentElement.clientHeight;
		}
		//quirks mode
		else{
			w = document.body.clientWidth;
			h = document.body.clientHeight;
		}
	}
	//w3c
	else{
		w = window.innerWidth;
		h = window.innerHeight;
	}
	return {width:w,height:h};
}

function easymove(){
    scrollspeed=1;
    if (iedom&&parseInt(cross_scroll.style.left)>(menuwidth-actualwidth)){
        cross_scroll.style.left=parseInt(cross_scroll.style.left)-scrollspeed+"px";
    } else {
        stopmotion(null);
    }
    easytime=setTimeout("easymove()",30);
}



function setContainerCenter() {
    var gWidth = parseInt(cross_scroll.offsetWidth);
    var sWidth = parseInt(window.size().width);
    if (gWidth < sWidth){
        cross_scroll.style.position = "relative";
        crossmain.style.textAlign = "center";
        } else {
            cross_scroll.style.position = "absolute";
	    cross_scroll.style.left = "0px";
            cross_scroll.style.top = "0px";
            easymove();
	}
    }


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