//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=0.08 //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)}, 90)
	}
}

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("gradualfader")
	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")}
	}
}



/*
	Header Information------------------------------------[Do Not Remove This Header]--
	Title: OO Dom Image Rollover
	Description: This script makes it easy to add rollover/ mousedown 
  	effects to any image on the page, including image submit buttons. Automatically 
  	preloads images as well. Script works in all DOM capable browsers- IE5+, NS6+, 
  	Opera7+.
	
	Legal: Copyright 2005 Adam Smith
	Author Email Address: ibulwark@hotmail.com
	Date Created: June 6, 2005
	Website: Codevendor.com | eBadgeman.com
	Script featured on Dynamic Drive: http://www.dynamicdrive.com
	-----------------------------------------------------------------------------------
*/

function imageholderclass(){
	this.over=new Array();
	this.down=new Array();
	this.src=new Array();
	this.store=store;
	
	function store(src, down, over){
		var AL=this.src.length;
		this.src[AL]=new Image(); this.src[AL].src=src;
		this.over[AL]=new Image(); this.over[AL].src=over;
		this.down[AL]=new Image(); this.down[AL].src=down;
	}
}

var ih = new imageholderclass();
var mouseisdown=0;

function preloader(t){
	for(i=0;i<t.length;i++){
		if(t[i].getAttribute('srcover')||t[i].getAttribute('srcdown')){
			
			storeimages(t[i]);
			var checker='';
			checker=(t[i].getAttribute('srcover'))?checker+'A':checker+'';
			checker=(t[i].getAttribute('srcdown'))?checker+'B':checker+'';
			
			switch(checker){
			case 'A' : mouseover(t[i]);mouseout(t[i]); break;
			case 'B' : mousedown(t[i]); mouseup2(t[i]); break;
			case 'AB' : mouseover(t[i]);mouseout(t[i]); mousedown(t[i]); mouseup(t[i]); break;
			default : return;			
			}
			
			if(t[i].src){t[i].setAttribute("oldsrc",t[i].src);}
		}
	}
}
function mouseup(t){
	var newmouseup;
	if(t.onmouseup){
		t.oldmouseup=t.onmouseup;
		newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");this.oldmouseup();}

	}
	else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");}}
	t.onmouseup=newmouseup;
}

function mouseup2(t){
	var newmouseup;
	if(t.onmouseup){
		t.oldmouseup=t.onmouseup;
		newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");this.oldmouseup();}
		}
	else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");}}
	t.onmouseup = newmouseup;
}

function mousedown(t){
	var newmousedown;
	if(t.onmousedown){
		t.oldmousedown=t.onmousedown;
		newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");this.oldmousedown();}}
	}
	else{newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");}}}
	t.onmousedown=newmousedown;
}

function mouseover(t){
	var newmouseover;
	if(t.onmouseover){
		t.oldmouseover=t.onmouseover;
		newmouseover=function(){this.src=this.getAttribute("srcover");this.oldmouseover();}
	}
	else{newmouseover=function(){this.src=this.getAttribute("srcover");}}
	t.onmouseover=newmouseover;
}

function mouseout(t){
	var newmouseout;
	if(t.onmouseout){
		t.oldmouseout=t.onmouseout;
		newmouseout=function(){this.src=this.getAttribute("oldsrc");this.oldmouseout();}
	}
	else{newmouseout=function(){this.src=this.getAttribute("oldsrc");}}
	t.onmouseout=newmouseout;
}

function storeimages(t){
	var s=(t.getAttribute('src'))?t.getAttribute('src'):'';
	var d=(t.getAttribute('srcdown'))?t.getAttribute('srcdown'):'';
	var o=(t.getAttribute('srcover'))?t.getAttribute('srcover'):'';
	ih.store(s,d,o);
}

function preloadimgsrc(){
	if(!document.getElementById) return;
	var it=document.getElementsByTagName('IMG');
	var it2=document.getElementsByTagName('INPUT');
	preloader(it);
	preloader(it2);
}

if(window.addEventListener){window.addEventListener("load", preloadimgsrc, false);} 
else{
	if(window.attachEvent){window.attachEvent("onload", preloadimgsrc);}
	else{if(document.getElementById){window.onload=preloadimgsrc;}}
}