/***********************************************
* 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
***********************************************/

function whichBrs() {
    var agt=navigator.userAgent.toLowerCase();
    if (agt.indexOf("opera") != -1) return 'Opera';
    if (agt.indexOf("staroffice") != -1) return 'Star Office';
    if (agt.indexOf("webtv") != -1) return 'WebTV';
    if (agt.indexOf("beonex") != -1) return 'Beonex';
    if (agt.indexOf("chimera") != -1) return 'Chimera';
    if (agt.indexOf("netpositive") != -1) return 'NetPositive';
    if (agt.indexOf("phoenix") != -1) return 'Phoenix';
    if (agt.indexOf("firefox") != -1) return 'Firefox';
    if (agt.indexOf("safari") != -1) return 'Safari';
    if (agt.indexOf("skipstone") != -1) return 'SkipStone';
    if (agt.indexOf("msie") != -1) return 'Internet Explorer';
    if (agt.indexOf("netscape") != -1) return 'Netscape';
    if (agt.indexOf("mozilla/5.0") != -1) return 'Mozilla';
    if (agt.indexOf('\/') != -1) {
    if (agt.substr(0,agt.indexOf('\/')) != 'mozilla') {
    return navigator.userAgent.substr(0,agt.indexOf('\/'));}
    else return 'Netscape';} else if (agt.indexOf(' ') != -1)
    return navigator.userAgent.substr(0,agt.indexOf(' '));
    else return navigator.userAgent;
}


 //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='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>';

var currentPos = 0;

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";
}

var prevImgNum;
var prog = false;
var lastPos = 0;
function test(id) {
//alert (prog);
    if (!prog) {

        var element = document.getElementById('img'+id);
        var elementX = element.x; var elementY = element.y;
        if(!elementX){//hack for IE
           element.style.position = "absolute";
           elementX = element.offsetLeft;
           elementY = element.offsetTop;
           element.style.position = "relative";
        }
          newPos = imageOffset[id];
          if ((newPos - lastPos) > 0 && currentPos != elementX) {
                prog = true;
                mLeft(newPos, id);

                lastPos = imageOffset[id];
          }
          if ((newPos - lastPos) < 0 && currentPos != elementX) {
                prog = true;
                mRight(newPos, id);
                lastPos = imageOffset[id];

          }





        if (prevImgNum > 0) { document.getElementById('imgNum'+prevImgNum).className = 'imgNumber'; }
        document.getElementById('imgNum'+id).className = 'imgNumberOver';
        prevImgNum = id;

        document.getElementById('artistDynamicTitle').innerHTML = artistTitle[id];
        document.getElementById('artistDynamicDescription').innerHTML = artistDescription[id];
    }
}

var oSet = 50;

var n = oSet;
function mLeft(endPos, imageID) {
    if ((currentPos) != endPos) {
        if ((endPos-currentPos) < n) { n = (endPos-currentPos); }
        cross_scroll.style.left = (0-currentPos-n+(imageID == firstImageID ? 0 : 60))+'px';
        currentPos = currentPos+n;
        setTimeout("mLeft('"+endPos+"', "+imageID+")", 10);

    }
    else { n = oSet; prog = false; }
}

var n = oSet;
function mRight(endPos, imageID) {
    if ((currentPos) != endPos) {
        if ((currentPos-endPos) < n) { n = (currentPos-endPos); }
        cross_scroll.style.left = (0-currentPos+n+(imageID == firstImageID ? 0 : 30))+'px';
        currentPos = currentPos-n;
        setTimeout("mRight('"+endPos+"', "+imageID+")", 10);
    }
    else { n = oSet; prog = false; }
}


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? document.getElementById("motioncontainer") : document.all.motioncontainer;
        if(typeof crossmain.style.maxWidth!=='undefined')
        crossmain.style.maxWidth=maxwidth;
        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';
        cross_scroll.style.left = '0px';
        document.getElementById('motiongallery').style.marginleft = '0px';
/*
        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;
}