function ClassOver(id){
	var classe = id.className;
	id.className = classe+ 'over';
	id.onmouseout = function(){
		id.className = classe;
	}	
}

var fonte = 12;
function Fonte(id,tipo){
	if(tipo == '1'){
		if(fonte < 17){
			fonte = fonte + 2;
		}
	}else{
		if(fonte > 12){
			fonte = fonte - 2;
		}
	}
	document.getElementById(id).style.fontSize = fonte +'px';
}


function Topo(){

	if (window.opera){ 
		document.body.scrollTop = 0;
	} else{
		document.documentElement.scrollTop = 0;
	}
}

function RolaTopo(){
	if (window.opera){ 
		document.body.scrollTop = top;
	} else{
		document.documentElement.scrollTop = top;
	}
	if(top > 0){
		top = top - 100;
		setTimeout('RolaTopo()',10);
	}else{
		top = 0;	
	}
}

function Menu(id){
	var elem = document.getElementById(id);
	
	if(elem.style.display == 'none'){
		elem.style.display = 'block';
		//obj.style.backgroundImage = 'url(icones/menucima.jpg)';
	}else{
		elem.style.display = 'none';
		//obj.style.backgroundImage = 'url(icones/menubaixo.jpg)';
	}
}


function FechaAviso(){
	document.getElementById('aviso').style.display = 'none';		
}
document.onmousemove =  moveMouse;