function initAnnualReport()
{
	//Newsskipper initialisieren
	var first = true;
	if($$('#newsskipper').length > 0)
	{
		$$('#newsskipper li').each( function(element) {
			if(!first)
			{
				element.hide();
			}
			else
			{
				element.addClassName('current');
				first = false;
			}
		});
		
		$$('#previousskip')[0].addClassName('invisible');
		$$('#previousskip')[0].onclick = activatePrevious;
		$$('#nextskip')[0].onclick = activateNext;
	}
	
	//Zufälliger Wechsel des Keyvisual
	links = { 
		1: '/corporate/products/prod_animal.htm',
		2: '/corporate/ic/index.asp',
		3: '/corporate/corp/caring_culture.asp',
		4: '/corporate/research/index.asp',
		5: '/corporate/products/prod_prescr.htm'
	};
	alt_title = { 
		1: 'Animal Health',
		2: 'Product Supply and Industrial Customers',
		3: 'Our caring culture',
		4: 'Research & Development',
		5: 'Success in Serving Patients'
	};
	if($$('#keyvisual img').length > 0)
	{
		a = Math.ceil(Math.random()*5);
		$$('#keyvisual img')[0].src = "/corporate/images/home/key-visual"+a+".jpg";
		$$('#keyvisual img')[0].alt = alt_title[a]
		$$('#keyvisual img')[0].title = alt_title[a]
		$$('#keyvisual a.keyvisuallink')[0].href = links[a];
	}	
}

function activateNext() {
	var current = $$('#newsskipper li.current')[0];
	if(current.nextSiblings().length > 0)
	{
		current.hide();
		current.removeClassName('current');
		nextSibling = current.nextSiblings()[0];
		nextSibling.show();
		nextSibling.addClassName('current');
		
		$$('#previousskip')[0].removeClassName('invisible');
		if(nextSibling.nextSiblings().length == 0)
		{
			$$('#nextskip')[0].addClassName('invisible');
		}
	}
	return false;
}
function activatePrevious() {
	var current = $$('#newsskipper li.current')[0];
	if(current.previousSiblings().length > 0)
	{
		current.hide();
		current.removeClassName('current');
		previousSibling = current.previousSiblings()[0];
		previousSibling.show();
		previousSibling.addClassName('current');
		
		$$('#nextskip')[0].removeClassName('invisible');
		if(previousSibling.previousSiblings().length == 0)
		{
			$$('#previousskip')[0].addClassName('invisible');
		}
	}
	return false;	
}
document.observe('dom:loaded', function(){  
    initAnnualReport();
});