var controlSize = 11 ;
var maxSize = 16 ;
var minSize = 7 ;

function aumentaFonte( divId )
{
	mudaFonte( divId, 1 ) ;
}

function diminuiFonte( divId )
{
	mudaFonte( divId, -1 ) ;
}

function mudaFonte( divId, delta )
{
	var novoTamanho = controlSize + delta ;

	if ( novoTamanho <= maxSize && novoTamanho >= minSize )
	{
		controlSize += delta ;
	
		var oDivPai = document.getElementById( divId ) ;

		if ( !oDivPai.style )
			oDivPai.style.fontSize = controlSize + 'px' ;
		else
			if ( oDivPai.style.fontSize )
				oDivPai.style.fontSize = ( parseInt( oDivPai.style.fontSize ) + delta ) + 'px' ;
			else
				oDivPai.style.fontSize = controlSize + 'px' ;
		
		mudaFonteTag( oDivPai, "P", delta ) ;

		mudaFonteTag( oDivPai, "LI", delta ) ;
	} 
}

function mudaFonteTag( oContainer, tagName, delta )
{
	var cTags = oContainer.getElementsByTagName( tagName ) ;
	
	for ( var i = 0 ; i < cTags.length ; i++ )
	{
		if ( !cTags[i].style )
			cTags[i].style.fontSize = controlSize + 'px' ;

		if ( cTags[i].style )
			if ( cTags[i].style.fontSize )
				cTags[i].style.fontSize = ( parseInt( cTags[i].style.fontSize ) + delta ) + 'px' ;
			else
				cTags[i].style.fontSize = controlSize + 'px' ;
	}
}


function mostraAba( oAba, idContainerConteudo, idConteudoVisivel )
{
	var oAbas = oAba.parentNode ;
	var cAbas = oAbas.getElementsByTagName( 'DIV' ) ;

	for ( var i = 0 ; i < cAbas.length ; i++ )
		if ( cAbas[i].className == 'abaOn' )
			cAbas[i].className = 'abaOff' ;
		
	oAba.className = 'abaOn' ;

	var oContainer = document.getElementById( idContainerConteudo ) ;
	var oContent   = document.getElementById( idConteudoVisivel ) ;
	
	var cContents = oContainer.getElementsByTagName( 'DIV' ) ;
	
	for ( var i = 0 ; i < cContents.length ; i++ )
	{
		if ( cContents[i].id )
			if ( cContents[i].id.indexOf( 'conteudoAba_' ) == 0 )
				cContents[i].style.display = 'none' ;
	}
	
	oContent.style.display = 'block' ;
}

function bookmark( title, url )
{
	if ( window.sidebar ) // firefox
		window.sidebar.addPanel( title, url, "" ) ;
	else if( window.opera && window.print ) // opera
	{
		var elem = document.createElement('a') ;
		elem.setAttribute( 'href', url ) ;
		elem.setAttribute( 'title', title ) ;
		elem.setAttribute( 'rel', 'sidebar' ) ;
		elem.click() ; 
	} 
	else if ( document.all ) // ie
		window.external.AddFavorite( url, title ) ;
}

function testaDownload(oSelect)
	{
		var valor = oSelect[ oSelect.selectedIndex ].value ;
		if (valor!=0)
		{				
			document.forms['documents'].submit();
			 oSelect.selectedIndex = 0;
		}
	}