var newslocked = false;

function hideScroll(){
		//alert("qui dentro myScript");
		
		$('news_content').setStyle({overflow: 'hidden'});
		//$('prev').setStyle({visibility: 'hidden'});
		$('prev').setStyle({visibility: 'visible'});
		$('next').setStyle({visibility: 'visible'});
		$('prevDiv').replace('<div id ="prevDiv" class="news_prev"><img src="/img/bt_sx-trans_grigia.png"  alt="Notizia Precedente" title="Notizia Precedente"/></a>');
		var number = $('news_content_inf').getElementsByTagName('li'); 
		if(number.length==2){
			$('nextDiv').replace('<div id="nextDiv" class="news_next"><img src="/img/bt_dx-trans_grigia.png"  alt="Prossima Notizia" title="Prossima Notizia"/></div>');
		}
		
		var number =$('news_content_inf').getElementsByTagName('li'); 
		//	$('news_content').childElements();
		//alert("sono qui");
		var w = number.length * 291;
		var wpx = w + "px";
	//	$('news_content').setStyle({width: wpx});
		//alert(wpx);
	}

	function rightScroll(){
		if(newslocked){
			return;
		}
		newslocked = true;
		$('prevDiv').replace('<div id ="prevDiv" class="news_prev"><a id="prev" href="#primaNews" title="#" onclick="leftScroll();"><img src="/img/bt_sx-trans.png"  alt="Notizia Precedente" title="Notizia Precedente"/></a></div>');
		$('prev').setStyle({visibility: 'visible'});
		new Effect.Move('news_content_inf', { x: -291, y: -0, mode: 'relative', 
			afterFinish: function(){newslocked = false;}
			});

		var number = $('news_content_inf').getElementsByTagName('li'); 
		var sel = 0;
		for(i=0; i<number.length; i++){
			if(number[i].className=="select"){
				number[i].className="";
				sel = i;
			}
		}
		number[sel + 1].className="select";
		
		//alert("debug " + (sel+2) + " " + (number.length-1));
		if((sel+2)==(number.length-1)){
			$('nextDiv').replace('<div id="nextDiv" class="news_next"><img src="/img/bt_dx-trans_grigia.png"  alt="Prossima Notizia" title="Prossima Notizia"/></div>');
		}
	
	}
	
	function leftScroll(){
		if(newslocked){
			return;
		}
		newslocked = true;
		$('nextDiv').replace('<div id="nextDiv" class="news_next"><a id="next" href="#primaNews" title="#" onclick="rightScroll();"><img src="/img/bt_dx-trans.png"  alt="Prossima Notizia" title="Prossima Notizia"/></a></div>');
		$('next').setStyle({visibility: 'visible'});
		new Effect.Move('news_content_inf', { x: +291, y: -0, mode: 'relative',
			afterFinish: function(){newslocked = false;}
		});
		var number = $('news_content_inf').getElementsByTagName('li'); 
		var sel = 0;
		for(i=0; i<number.length; i++){
			if(number[i].className=="select"){
				number[i].className="";
				sel = i;
			}
		}
		number[sel - 1].className="select";
		
	//	alert("debug " + (sel-1));
		if(sel==1){
			$('prevDiv').replace('<div id ="prevDiv" class="news_prev"><img src="/img/bt_sx-trans_grigia.png"  alt="Notizia Precedente" title="Notizia Precedente"/></div>');
		}
	}