/***********************************************
* 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'>End of Gallery</span>" //3) message to show at end of gallery. Enter "" to disable message.
//var endofgallerymsg="" //<span style='font-size: 11px'>&nbsp;</span>" //3) message to show at end of gallery. Enter "" to disable message.

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(){
    if (eval(crossmain)!=null)
    {
        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 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.downtime) clearTimeout(downtime)
if (window.uptime) clearTimeout(uptime)
movestate=""
}
}

function fillup(){
    if (iedom)
    {
        //crossmain=document.getElementById? document.getElementById("motioncontainer") : document.all.motioncontainer
        crossmain=document.getElementById("motioncontainer") 
        if (eval(crossmain)!=null)
        {
            menu_height=parseInt(crossmain.style.height)
            mainobjoffset=getposOffset(crossmain, "top")
            //cross_scroll=document.getElementById? document.getElementById("motiongallery") : document.all.motiongallery
            cross_scroll=document.getElementById("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()
    }
}

function doit(arg)
{
    //if(arg=="left") moveright();
    //if(arg=="right") moveleft() ;
    //setTimeout("stopit()",1000);	
	//parseInt(cross_scroll.style.left)>(menuwidth-actualwidth)
    if (eval(crossmain)!=null)  // by Sandeep
    {
	var x;
	menuwidth=parseInt(crossmain.offsetWidth) //by Sandeep
	var bln_conditionleft = parseInt(cross_scroll.style.top)>(menuwidth-actualheight);
    var bln_conditionright = parseInt(cross_scroll.style.top)<0;
    if(arg=="up"&&bln_conditionright==false) return;
    if(arg=="down"&&bln_conditionleft==false) return;
    
	if (arg=="up") x=61;
	if (arg=="down") x=-61;
	cross_scroll.style.top=(parseInt(cross_scroll.style.top)+x)+"px";
	}
}

//window.onload=fillup

window.onload=function () { 
  fillup(); 
}