/***********************************************************************************************
	
	Copyright (c) 2005 - Alf Magne Kalleland post@dhtmlgoodies.com
	
	UPDATE LOG:
	
	March, 10th, 2006 : Added support for a message while large image is loading
	
	Get this and other scripts at www.dhtmlgoodies.com
	
	You can use this script freely as long as this copyright message is kept intact.
	
	***********************************************************************************************/ 
   	
	var displayWaitMessage=true;	// Display a please wait message while images are loading?
  	
   		
	var activeImage = false;
	var imageGalleryLeftPos = false;
	var imageGalleryWidth = false;
	var imageGalleryObj = false;
	
	var txtGalleryLeftPos = false;
	var txtGalleryWidth = false;
	var txtGalleryObj = false;
	
	var maxGalleryXPos = false;
	var slideSpeed = 0;

	function startSlide(e)
	{
		if(document.all)e = event;
		var id = this.id;
		//this.getElementsByTagName('img')[0].src = '/ArmadaPortal/framework/skins/Armada92/images/home/' + this.id + '_over.gif';	
		   //la l?nea de arriva para que cambie la imagen de la flecha cuando el rat?n pase por encima
		if(this.id=='arrow_right'){
			slideSpeedMultiply = Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed = -1*slideSpeedMultiply;
			slideSpeed = Math.max(-10,slideSpeed);
		}else{			
			slideSpeedMultiply = 10 - Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed = 1*slideSpeedMultiply;
			slideSpeed = Math.min(10,slideSpeed);
			if(slideSpeed<0)slideSpeed=10;
		}
	}
	
	function releaseSlide()
	{
		//var id = this.id;
	//	this.getElementsByTagName('img')[0].src = '/ArmadaPortal/framework/skins/Armada92/images/home/' + this.id + '.gif';
	    //la l?nea de arriva para que cambie la imagen de la flecha cuando el rat?n pase por encima
		slideSpeed=0;
	}
		
	function gallerySlide()
	{
		if(slideSpeed!=0){
			var leftPos = imageGalleryObj.offsetLeft;
			leftPos = leftPos/1 + slideSpeed;
			if(leftPos>maxGalleryXPos){
				leftPos = maxGalleryXPos;
				slideSpeed = 0;
				
			}
			if(leftPos<minGalleryXPos){
				leftPos = minGalleryXPos;
				slideSpeed=0;
			}
			
			imageGalleryObj.style.left = leftPos + 'px';
			txtGalleryObj.style.left = leftPos + 'px';
		}
		setTimeout('gallerySlide()',20);
		
	}
	
	function showImage()
	{
		//if(activeImage){
			//activeImage.style.filter = 'alpha(opacity=50)';	
			//activeImage.style.opacity = 0.5;
		//}	
		//this.style.filter = 'alpha(opacity=100)';
		//this.style.opacity = 1;	
		activeImage = this;	
	}
	
	function initSlideShow()
	{
		document.getElementById('arrow_left').onmousedown = startSlide;
		document.getElementById('arrow_left').onmouseup = releaseSlide;
		document.getElementById('arrow_right').onmousedown = startSlide;
		document.getElementById('arrow_right').onmouseup = releaseSlide;
		
		imageGalleryObj = document.getElementById('theImages');
		imageGalleryLeftPos = imageGalleryObj.offsetLeft;
		imageGalleryWidth = document.getElementById('galleryContainer').offsetWidth - 33;
		
		txtGalleryObj = document.getElementById('theText');
		txtGalleryLeftPos = imageGalleryObj.offsetLeft;
		txtGalleryWidth = document.getElementById('galleryContainer').offsetWidth - 33;
		maxGalleryXPos = imageGalleryObj.offsetLeft; 
		minGalleryXPos = imageGalleryWidth - document.getElementById('slideEnd').offsetLeft;
		//var slideshowImages = imageGalleryObj.getElementsByTagName('img');
		//for(var no=0;no<slideshowImages.length;no++){
			//slideshowImages[no].onmouseover = showImage;
		//}
		
	//	var divs = imageGalleryObj.getElementsByTagName('div');
		//for(var no=0;no<divs.length;no++){
			//if(divs[no].className=='imageCaption')imageGalleryCaptions[imageGalleryCaptions.length] = divs[no].innerHTML;
		//}
		gallerySlide();
	}
	
   function loadHead(txtAltLeft, txtTitleLeft, txtAltRight, txtTitleRight)
	{
	   var textodivs_cabecera;
       textodivs_cabecera="<div id='galleryContainer'>";
       textodivs_cabecera += "<div id='arrow_left'><img src='/ArmadaPortal/framework/skins/Armada92/images/home/arrow_left_over.gif' alt='" + txtAltLeft + "' title='" + txtTitleLeft + "' /></div>";
       textodivs_cabecera += "<div id='arrow_right'><img src='/ArmadaPortal/framework/skins/Armada92/images/home/arrow_right_over.gif' alt='" + txtAltRight + "' title='" + txtTitleRight + "' /></div>";
       textodivs_cabecera += "<div id='theImages'>";
       document.write(textodivs_cabecera);
	}
	
	function loadFoot()
	{
	    var textodivs_pie;
	    textodivs_pie = "<div id='slideEnd'></div>";
	    textodivs_pie += "</div>" ; 
	    textodivs_pie += " <div id='theText'><div id='slideEndText'></div></div>";
	    textodivs_pie += " </div>" ;
	    writeDocument(textodivs_pie);
	}
	
window.onload = makeDoubleDelegate(window.onload, initSlideShow);
	//window.onload = initSlideShow;