//Gradual Elements Fader- By Dynamic Drive at http://www.dynamicdrive.com
//Last updated: Nov 8th, 07'

var gradualFader={}

gradualFader.baseopacity=0.4 //set base opacity when mouse isn't over element (decimal below 1)
gradualFader.increment=0.1 //amount of opacity to increase after each iteration (suggestion: 0.1 or 0.2)

document.write('<style type="text/css">\n') //write out CSS to enable opacity on "gradualfader" class
document.write('.gradualfader{filter:progid:DXImageTransform.Microsoft.alpha(opacity='+gradualFader.baseopacity*100+'); -moz-opacity:'+gradualFader.baseopacity+'; opacity:'+gradualFader.baseopacity+';}\n')
document.write('</style>')

gradualFader.setopacity=function(obj, value){ //Sets the opacity of targetobject based on the passed in value setting (0 to 1 and in between)
	var targetobject=obj
	if (targetobject && targetobject.filters && targetobject.filters[0]){ //IE syntax
		if (typeof targetobject.filters[0].opacity=="number") //IE6
			targetobject.filters[0].opacity=value*100
		else //IE 5.5
			targetobject.style.filter="alpha(opacity="+value*100+")"
		}
	else if (targetobject && typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
		targetobject.style.MozOpacity=value
	else if (targetobject && typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
		targetobject.style.opacity=value
	targetobject.currentopacity=value
}

gradualFader.fadeupdown=function(obj, direction){
	var targetobject=obj
	var fadeamount=(direction=="fadeup")? this.increment : -this.increment
	if (targetobject && (direction=="fadeup" && targetobject.currentopacity<1 || direction=="fadedown" && targetobject.currentopacity>this.baseopacity)){
		this.setopacity(obj, targetobject.currentopacity+fadeamount)
		window["opacityfader"+obj._fadeorder]=setTimeout(function(){gradualFader.fadeupdown(obj, direction)}, 50)
	}
}

gradualFader.clearTimer=function(obj){
if (typeof window["opacityfader"+obj._fadeorder]!="undefined")
	clearTimeout(window["opacityfader"+obj._fadeorder])
}

gradualFader.isContained=function(m, e){
	var e=window.event || e
	var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
	while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
	if (c==m)
		return true
	else
		return false
}

gradualFader.fadeinterface=function(obj, e, direction){
	if (!this.isContained(obj, e)){
		gradualFader.clearTimer(obj)
		gradualFader.fadeupdown(obj, direction)
	}
}

gradualFader.collectElementbyClass=function(classname){ //Returns an array containing DIVs with specified classname
	var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)", "i") //regular expression to screen for classname within element
	var pieces=[]
	var alltags=document.all? document.all : document.getElementsByTagName("*")
	for (var i=0; i<alltags.length; i++){
		if (typeof alltags[i].className=="string" && alltags[i].className.search(classnameRE)!=-1)
			pieces[pieces.length]=alltags[i]
	}
	return pieces
}

gradualFader.init=function(){
	var targetobjects=this.collectElementbyClass("expando")
	for (var i=0; i<targetobjects.length; i++){
		targetobjects[i]._fadeorder=i
		this.setopacity(targetobjects[i], this.baseopacity)
		targetobjects[i].onmouseover=function(e){gradualFader.fadeinterface(this, e, "fadeup")}
		targetobjects[i].onmouseout=function(e){gradualFader.fadeinterface(this, e, "fadedown")}
	}
}













/* Expando Image Script ©2008 John Davenport Scheuer
   as first seen in http://www.dynamicdrive.com/forums/
   username: jscheuer1 - This Notice Must Remain for Legal Use
   */

if (document.images){
 (function(){
  var cos, a = /Apple/.test(navigator.vendor), times = a? 20 : 40, speed = a? 40 : 20;
  var expConIm = function(im){
   im = im || window.event;
   if (!expConIm.r.test (im.className))
    im = im.target || im.srcElement || null;
   if (!im || !expConIm.r.test (im.className))
    return;
   var e = expConIm,
   widthHeight = function(dim){
    return dim[0] * cos + dim[1] + 'px';
   },
   resize = function(){
    cos = (1 - Math.cos((e.ims[i].jump / times) * Math.PI)) / 2;
    im.style.width = widthHeight (e.ims[i].w);
    im.style.height = widthHeight (e.ims[i].h);
    if (e.ims[i].d && times > e.ims[i].jump){
     ++e.ims[i].jump;
     e.ims[i].timer = setTimeout(resize, speed);
    } else if (!e.ims[i].d && e.ims[i].jump > 0){
     --e.ims[i].jump;
     e.ims[i].timer = setTimeout(resize, speed);
    }
   }, d = document.images, i = d.length - 1;
   for (i; i > -1; --i)
    if(d[i] == im) break;
   i = i + im.src;
   if (!e.ims[i]){
    im.title = '';
    e.ims[i] = {im : new Image(), jump : 0};
    e.ims[i].im.onload = function(){
     e.ims[i].w = [e.ims[i].im.width - im.width, im.width];
     e.ims[i].h = [e.ims[i].im.height - im.height, im.height];
     e (im);
    };
    e.ims[i].im.src = im.src;
    return;
    }
   if (e.ims[i].timer) clearTimeout(e.ims[i].timer);
   e.ims[i].d = !e.ims[i].d;
   resize ();
  };

  expConIm.ims = {};

  expConIm.r = new RegExp('\\bexpando\\b');

  if (document.addEventListener){
   document.addEventListener('mouseover', expConIm, false);
   document.addEventListener('mouseout', expConIm, false);
  }
  else if (document.attachEvent){
   document.attachEvent('onmouseover', expConIm);
   document.attachEvent('onmouseout', expConIm);
  }
 })();
}