/***********************************************
* Ultimate Fade-In Slideshow (v1.51): © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/

/************************************************ 
Put the next code in the page to create the array with the images that you want to load
and the code to execute the function fadeshow

<script type="text/javascript">
	var fadeimages=new Array()
	//Example to build Arrays of images to change
	//SET IMAGE PATHS. Extend or contract array as needed
	fadeimages[0]=["main_intro_proyectos2008_ES.jpg", "", ""] //plain image syntax
	fadeimages[1]=["main_intro_proyectos2008_ES.jpg", "http://www.cssdrive.com", ""] //image with link syntax
	fadeimages[2]=["main_intro_proyectos2008_ES.jpg", "http://www.javascriptkit.com", "_new"] //image with link and target syntax

	//new fadeshow(IMAGES_ARRAY_NAME, slideshow_width, slideshow_height, borderwidth, delay, pause (0=no, 1=yes), optionalRandomOrder)
	new fadeshow(fadeimages, 140, 225, 0, 3000, 1, "R")
	new fadeshow(fadeimages2, 140, 225, 0, 3000, 0)
</script> 
****************************************************/
 
var fadebgcolor="white";

////NO need to edit beyond here/////////////
 
var fadearray=new Array(); //array to cache fadeshow instances
var fadeclear=new Array(); //array to cache corresponding clearinterval pointers
 
var dom=(document.getElementById); //modern dom browsers
var iebrowser=document.all;
 
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
	this.pausecheck=pause;
	this.mouseovercheck=0;
	this.delay=delay;
	this.degree=10; //initial opacity degree (10%)
	this.curimageindex=0;
	this.nextimageindex=1;
	fadearray[fadearray.length]=this
	this.slideshowid=fadearray.length-1;
	this.canvasbase="canvas"+this.slideshowid;
	this.curcanvas=this.canvasbase+"_0";
	if (typeof displayorder!="undefined")
		theimages.sort(function() {return 0.5 - Math.random();}); //thanks to Mike (aka Mwinter) :)
	this.theimages=theimages;
	this.imageborder=parseInt(borderwidth);
	this.postimages=new Array(); //preload images
	for (p=0;p<theimages.length;p++){
		this.postimages[p]=new Image();
		this.postimages[p].src=theimages[p][0];
	}

	var fadewidth=fadewidth+this.imageborder*2;
	var fadeheight=fadeheight+this.imageborder*2;

	if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
		document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>');
	else
		document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'">');

	if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
		this.startit();
	else{
		this.curimageindex++;
		setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay);
	}
}

function fadepic(obj){
	if (obj.degree<100){
		obj.degree+=10;
		if (obj.tempobj.filters&&obj.tempobj.filters[0]){
			if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
				obj.tempobj.filters[0].opacity=obj.degree;
			else //else if IE5.5-
				obj.tempobj.style.filter="alpha(opacity="+obj.degree+")";
		}
		else if (obj.tempobj.style.MozOpacity)
			obj.tempobj.style.MozOpacity=obj.degree/101;
		else if (obj.tempobj.style.KhtmlOpacity)
			obj.tempobj.style.KhtmlOpacity=obj.degree/100;
		else if (obj.tempobj.style.opacity&&!obj.tempobj.filters)
			obj.tempobj.style.opacity=obj.degree/101;
	}
	else{
		clearInterval(fadeclear[obj.slideshowid])
		obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1";
		obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas);
		obj.populateslide(obj.tempobj, obj.nextimageindex);
		obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0;
		setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay);
		}
	}
	fadeshow.prototype.populateslide=function(picobj, picindex){
		var slideHTML="";
		if (this.theimages[picindex][1]!="") //if associated link exists for image
			slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">';
		slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">';
		if (this.theimages[picindex][1]!="") //if associated link exists for image
			slideHTML+='</a>';
		picobj.innerHTML=slideHTML;
	}
 
 	fadeshow.prototype.rotateimage=function(){
		if (this.pausecheck==1) //if pause onMouseover enabled, cache object
		var cacheobj=this;
		if (this.mouseovercheck==1)
			setTimeout(function(){cacheobj.rotateimage()}, 100);
		else if (iebrowser&&dom||dom){
			this.resetit();
			var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas);
			crossobj.style.zIndex++;
			fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50);
			this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0";
		}
		else{
			var ns4imgobj=document.images['defaultslide'+this.slideshowid];
			ns4imgobj.src=this.postimages[this.curimageindex].src;
		}
		this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0;
	}
 
	fadeshow.prototype.resetit=function(){
		this.degree=10;
		var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas);
		if (crossobj.filters&&crossobj.filters[0]){
			if (typeof crossobj.filters[0].opacity=="number") //if IE6+
				crossobj.filters(0).opacity=this.degree;
			else //else if IE5.5-
				crossobj.style.filter="alpha(opacity="+this.degree+")";
			}
			else if (crossobj.style.MozOpacity)
				crossobj.style.MozOpacity=this.degree/101;
			else if (crossobj.style.KhtmlOpacity)
				crossobj.style.KhtmlOpacity=this.degree/100;
		else if (crossobj.style.opacity&&!crossobj.filters)
			crossobj.style.opacity=this.degree/101;
	}
 
 	fadeshow.prototype.startit=function(){
		var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas);
		this.populateslide(crossobj, this.curimageindex);
		if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
			var cacheobj=this;
			var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid);
			crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1;}
			crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0;}
		}
this.rotateimage()
}