/**** AUMENTA/DIMINUI FONTE ****/
//Specify spectrum of different font sizes:
var szs = new Array( '9px','11px','13px','18px','20px','22px' );

var startSz = 2;

function ts( trgt,inc ) {
    if (!document.getElementById) return
    var d = document,cEl = null,sz = startSz,i,j,cTags;
    
    sz += inc;
	if ( sz > 50  ) sz = 2;
	if ( sz < 0 ) sz = 0;
    if ( sz > 5 ) sz = 5;
    startSz = sz;
        
    if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

    cEl.style.fontSize = szs[ sz ];

    for ( i = 0; i < tgs.length; i++ ) {
        cTags = cEl.getElementsByTagName( tgs[ i ] );
        for ( j = 0; j < cTags.length; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
    } 
	adjust(true);
}
//Specify affected tags. Add or remove from list:
var tgs = new Array('div');

function contraste(inc) {
	var cor = inc
	if ( cor == "Muda contraste (fundo sólido).")
	{
		grid$('#grid > div.item').css({'background-color':'#000'});
		grid$('#grid > div.item').mouseover(function() {
			grid$(this).css({'background-color':'#000'});
		});
		grid$('#grid > div.item').mouseout(function() {
			grid$(this).css({'background-color':'#000'});
		});			
		document.getElementById("AcessiblidadeContraste").title="Muda contraste (fundo transparent).";
		document.getElementById("Rodape").className="contraste2"
		document.getElementById("ConteudoCompleto").className="contraste2";
	} 

	if ( cor == "Muda contraste (fundo transparent).")
	{
		grid$('#grid > div.item').css({'background':'transparent url("Imagens/bgCaixa.png") repeat left top',});
		grid$('#grid > div.item').mouseover(function() {
			grid$(this).css({'background-color':'#000'});
		});
		grid$('#grid > div.item').mouseout(function() {
			grid$(this).css({'background':'transparent url("Imagens/bgCaixa.png") repeat left top',});
		});
		document.getElementById("AcessiblidadeContraste").title="Muda contraste (fundo sólido).";
		document.getElementById("Rodape").className="contraste1";
		document.getElementById("ConteudoCompleto").className="contraste1";
	}

}


/************************************************************************************/