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

 //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=2;

 //3) Set to maximum width for gallery - must be less than the actual length of the image train.
var maxwidth=1000;

 //4) Set to 0 for left start, 1 for right, 2 for center.
var startpos=2;

 //5) Set message to show at end of gallery. Enter "" to disable message.
var endofgallerymsg='<span style="font-size:small;"><img src="Pictures/flecha2.gif" /> :: End of Gallery :: <img src="Pictures/flecha.gif" /> </span>';


////////////////////////////////////////////////
////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";
	}

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;
	}