function rollOn(obj){obj.className=obj.className.replace('_Off','_On');}
function rollOff(obj){obj.className=obj.className.replace('_On','_Off');}

function rollOnImg(obj){
	file=obj.src;
	obj.src=file.replace('_Off','_On');
}

function rollOffImg(obj){
	file=obj.src;
	obj.src=file.replace('_On','_Off');
}

function rollLatOn(id){
	rollOff(document.getElementById('botmorereaded'));
	rollOff(document.getElementById('botmorecommented'));
	
	document.getElementById('morereaded').style.display='none';
	document.getElementById('morecommented').style.display='none';
	
	document.getElementById(id).style.display='block';
	rollOn(document.getElementById('bot'+id));
}

function modificatamanotipografia(val,obj){
	var par=document.getElementById(obj);
	var clds=par.childNodes;
	for (var z0=0;z0<clds.length;z0++){
		if (clds[z0].nodeName=='DIV' || clds[z0].nodeName=='A'){
			if(val==1){
				clds[z0].className=clds[z0].className.replace('_2','_3');
				clds[z0].className=clds[z0].className.replace('_1','_2');
			}else{
				clds[z0].className=clds[z0].className.replace('_2','_1');
				clds[z0].className=clds[z0].className.replace('_3','_2');
			}
		}
	}
}