/***********************************************
* CMotion Image Gallery II- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit http://www.dynamicDrive.com for source code
* Modified by jscheuer1 for vertical orientation, at http://www.dynamicDrive.com/forums
***********************************************/

var restarea=6 //1) width of the "neutral" area in the center of the gallery in px
var maxspeed=7 //2) top scroll speed in pixels. Script auto creates a range from 0 to top speed.
var endofgallerymsg="<span style='font-size: 11px'>&nbsp;</span>" //3) message to show at end of gallery. Enter "" to disable message.
var downtime,uptime,crossmain;
var scrollspeed=10;

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;
var scrollspeed=0;
var movestate="";

var actualheight='';
var cross_scroll;
var loadedyes=0;

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(){
menuwidth=parseInt(crossmain.offsetWidth);
mainobjoffsetW=getposOffset(crossmain, "left");
statusdiv.style.left=mainobjoffsetW+(menuwidth/2)-(statusdiv.offsetWidth/2)+"px";
statusdiv.style.top=menu_height+mainobjoffset+10+"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 moveup(){
if (loadedyes){
movestate="up";
if (iedom&&parseInt(cross_scroll.style.top)>(menu_height-actualheight)){
cross_scroll.style.top=parseInt(cross_scroll.style.top)-scrollspeed+"px";
showhidediv("hidden");
}
else
showhidediv("visible");
}
uptime=setTimeout("moveup()",10);
}

function movedown(){
if (loadedyes){
movestate="down";
if (iedom&&parseInt(cross_scroll.style.top)<0){
cross_scroll.style.top=parseInt(cross_scroll.style.top)+scrollspeed+"px";
showhidediv("hidden");
}
else
showhidediv("visible");
}
downtime=setTimeout("movedown()",10);
}

function motionengine(e){
var dsocx=(window.pageXOffset)? pageXOffset: ietruebody().scrollLeft;
var dsocy=(window.pageYOffset)? pageYOffset : ietruebody().scrollTop;
var curposy=window.event? event.clientY : e.clientY? e.clientY: "";
curposy-=mainobjoffset-dsocy;
var leftbound=(menu_height-restarea)/2;
var rightbound=(menu_height+restarea)/2;
if (curposy>rightbound){
scrollspeed=(curposy-rightbound)/((menu_height-restarea)/2) * maxspeed;
if (window.downtime) clearTimeout(downtime);
if (movestate!="up") moveup();
}
else if (curposy<leftbound){
scrollspeed=(leftbound-curposy)/((menu_height-restarea)/2) * maxspeed;
if (window.uptime) clearTimeout(uptime);
if (movestate!="down") movedown();
}
else
scrollspeed=0;
}

function motioner(e){
var dsocx=(window.pageXOffset)? pageXOffset: ietruebody().scrollLeft;
var dsocy=(window.pageYOffset)? pageYOffset : ietruebody().scrollTop;
var curposy=window.event? event.clientY : e.clientY? e.clientY: "";
curposy-=mainobjoffset-dsocy;
var leftbound=(menu_height-restarea)/2;
var rightbound=(menu_height+restarea)/2;
if (e==0){
scrollspeed=maxspeed;
if (window.downtime) clearTimeout(downtime);
moveup();
}
else if (e==1){
scrollspeed=maxspeed;
if (window.uptime) clearTimeout(uptime);
movedown();
}
else
scrollspeed=0;
}

function moverup() {
if (window.uptime) clearTimeout(uptime);
movedown();
}

function moverdown() {
if (window.downtime) clearTimeout(downtime);
moveup();
}

function moverstop() {
clearTimeout(downtime);
clearTimeout(uptime);
}

function contains_ns6(a, b) {
try {
	while (b.parentNode)
	if ((b = b.parentNode) == a) return true;
	return false;
} catch (err) {
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.downtime) clearTimeout(downtime);
if (window.uptime) clearTimeout(uptime);
movestate=""
}
}

function fillup2(){
if (iedom) {
crossmain=document.getElementById? document.getElementById("motioncontainer") : document.all.motioncontainer;
menu_height=parseInt(crossmain.style.height);
mainobjoffset=getposOffset(crossmain, "top");
cross_scroll=document.getElementById? document.getElementById("motiongallery") : document.all.motiongallery;
actualheight=cross_scroll.offsetHeight;

//crossmain.onmousemove=function(e){
//motionengine(e);
//}

//crossmain.onmouseout=function(e){
//stopmotion(e);
//showhidediv("hidden");
//}
}
if (window.opera){
cross_scroll.style.top=menu_height-actualheight+'px';
setTimeout('cross_scroll.style.top=0', 10);
}
loadedyes=1;
if (endofgallerymsg!=""){
creatediv();
positiondiv();
}
}