function setOpacity(obj,value){
	testObj= new getObj(obj);
	testObj.style.opacity = value/10;
	testObj.style.filter = 'alpha(opacity=' + value*10 + ')';
}

function getObj(id) 
{ 
  return document.getElementById(id);
  
}

function initCaroussel(){
	
	currNewsId=-1;
	fadeIncrement=0;
	numberOfItems=2;
	rotationms = 4000;
	//set all items invisible
	for (i=1 ; i <= numberOfItems; i++)
	{	
		var iContent="caroussel_item"+i;	
		var inActiveContent = new getObj(iContent);
		inActiveContent.style.display="none";
		inActiveContent.style.visibility="hidden";
	}	
	//do fade in of item 1
	showNews(1);
	
	rotateId=2;
	startRotate();
}

function autoRotate(){
	if(doRotate){
		if(rotateId>numberOfItems){
			rotateId=1;
		}
		showNews(rotateId);
		rotateId++;
		rotateTimer=setTimeout("autoRotate()",rotationms);
	}
	else{
		clearTimeout(rotateTimer);
	}
}

function startRotate(){
	doRotate=true;
	rotateTimer=setTimeout("autoRotate()",rotationms);

}

function stopRotate(){
	doRotate=false;
	if(typeof rotateTimer != 'undefined'){
		clearTimeout(rotateTimer);
	}
}

function fadeTab(id){
	if(fadeIncrement!=11){
		
		setOpacity("caroussel_item"+id,fadeIncrement);
		fadeIncrement++;
		fadeTimer=setTimeout("fadeTab("+id+")",40);
	}
	else{
		clearTimeout(fadeTimer);
	}
}

function showNews(id){
	if(typeof currNewsId == 'undefined' || id!=currNewsId){
		if(typeof currNewsId != 'undefined' && currNewsId != -1){
			//DEACTIVATE
			//setOpacity("caroussel_menu_item_container"+currNewsId,2);

			//var iTab="caroussel_menu_item"+currNewsId;
			//var inActiveTab = new getObj(iTab);
			//inActiveTab.obj.className="caroussel_menu_item_inact"+currNewsId;

			var iContent="caroussel_item"+currNewsId;
			var inActiveContent = new getObj(iContent);
			inActiveContent.style.display="none";
			inActiveContent.style.visibility="hidden";
		}		

		var aContent="caroussel_item"+id;
		
		var activeContent = new getObj(aContent);
		activeContent.style.display="block";
		activeContent.style.visibility="visible";

		fadeIncrement=0;
		fadeTab(id)
		currNewsId=id;
		rotateId=id;
	}
}