/**
	Nasledujici soubor umoznuje vytvorit obrazkovou javascript galerii.	
**/

function rotateImages(objectId){
	this.imgList = new Array();
	this.objectId = objectId;
	this.curIndex = 0;
	var elThis = this;
	
	this.addImage = function(src){
		this.imgList[this.imgList.length] = new rotateImageItem(src);
	}
	
	this.rotate = function(){
		if(elThis.imgList.length <= 0) return;
		elThis.curIndex = elThis.curIndex + 1;
		if(elThis.curIndex >= elThis.imgList.length) elThis.curIndex = 0;
		
		var obj = getId(elThis.objectId);
		if(!obj) return;
		if(obj.tagName.toLowerCase() == 'img'){
			obj.src = elThis.imgList[elThis.curIndex].src;
		}else{
			obj.style.backgroundImage = 'url('+elThis.imgList[elThis.curIndex].src+')';
		}
	}
}

function rotateImageItem(src){
	this.src = src;	
}