// JavaScript Document
  
/***********************************************  
* CMotion Image Gallery- Ž© 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=8;   
 //2) Set top scroll speed in pixels. Script auto creates a range from 0 to top speed.   
var maxspeed=8;   
 //3) Set to maximum width for gallery - must be less than the actual length of the image train.   
var maxwidth=1200;   
 //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='';   
  
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/1)-(statusdiv.offsetWidth/1)+"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? document.getElementById("motioncontainer") : document.all.motioncontainer;   
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;   
}   

