// JavaScript Document
/***********************************************

* 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="" //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(){

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

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()

}

}

window.onload=fillup