function SlideShow() {



	this.instance = "";



	this.showOptions = function(options) {

	

		if ($(options.container)) {

		

			$(options.container).style.display = (options.visible)	 ? "block":"none";

		

		} 

	

	

	}

	

	this.seek = function(type) {

	

		clearTimeout(this.instance.timeout);

		

		$(this.instance.iterator+this.instance.indice).style.display = "none";

		if (type==">") {

			this.instance.indice = (this.instance.indice<this.instance.length) ? ++this.instance.indice:1;

		} else if (type=="<") {		

			this.instance.indice = (this.instance.indice>1) ? --this.instance.indice:this.instance.length;

		}

		$(this.instance.iterator+this.instance.indice).style.display = "block";

		

		this.instance.timeout = setTimeout("slideshow.seek('>')",this.instance.motion);

		

	

	}

	

	this.pause = function() {

	

		clearTimeout(this.instance.timeout);

	

	}

	

	this.play = function() {

	

		this.seek(">");

	

	}

	

	this.init = function() {

	

		this.instance = {

		

			"length":parseInt($("fotocount").value),

			"motion":"3000",

			"timeout":"",

			"indice":1,

			"iterator":"fotoplayeriterator"

			

		};

			

		if ($("fotocount").value!="") {

			this.instance.timeout = setTimeout("slideshow.play()",this.instance.motion);

		}

		

		initDragDrop();

		slideshow.play();

	}

	

	this.explain = function() {

		

		imgexp = ""+tags(this.instance.iterator+this.instance.indice,"img").item(0).src;

		imgexp = imgexp.replace(/site_/,"");		

		divexp = document.createElement("div");

		divexp.id="divexp";

		divexp.style.top="160px";

		divexp.style.left="210px";

		if (document.all) {

		divexp.style.width="20px";

		divexp.style.height="20px";		

		}

		divexp.style.zIndex="10000";

		divexp.className="drag";		

		divexp.innerHTML="<a href='javascript:void(0)' onclick='slideshow.close(this)'> Fechar</a>";

		img = document.createElement("img");

		img.src=imgexp;			

		document.body.appendChild(divexp);

		divexp.appendChild(img);

		__dragId = 'divexp';

				

		

	}

	

	this.close = function(obj) {

		

		document.body.removeChild(obj.parentNode);

	

	}





}



/* DRAG */



function initDragDrop() {

__dragX = 0; 

__dragY = 0; 

__dragId = ''; 

__dragging = false;

document.body.onmousedown = __dragDown;

document.body.onmousemove = __dragMove;

document.body.onmouseup = function() { __dragging = false; };

}



function __dragDown(e) {

e = e ? e : window.event;

__dragEl = document.getElementById(__dragId) || null;

var _target = document.all ? e.srcElement : e.target;

  if(!__dragEl || !(/drag/.test(_target.className))) return;

__dragX = e.clientX - __dragEl.offsetLeft;

__dragY = e.clientY - __dragEl.offsetTop;

__dragging = true;

};



function __dragMove(e) {

	if(typeof __dragging == 'undefined' || !__dragging) return;

e = e ? e : window.event;

__dragEl.style.left = (e.clientX - __dragX)+'px';

__dragEl.style.top = (e.clientY - __dragY)+'px';

};