/***********************************************
* 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=980;
//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;"></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;

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);
        movestate="";
    }
}

function fillup() {
    if (iedom) {
        crossmain = document.getElementById("motioncontainer");

		  if(typeof crossmain  !== null)	
		  {
	        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);
	        }
	        
	        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;
}