/******************************************************************
	MUDA PÁGINA DA JANELA DE BAIXO
******************************************************************/

function janelaTras(url)
{
	window.opener.location = url;
}


/******************************************************************
	MUDA PÁGINA
******************************************************************/

function mudaPagina(url)
{
	location.href = url;
}


/******************************************************************
	MUDA IMAGEM
******************************************************************/

function trocaImagem(nome, img)
{
	document[nome].src = img;
}


/******************************************************************
	POPUP CENTRALIZADO
******************************************************************/

function abrePopup(pagina,largura,altura,rolagem)
{
	var posX;
	var posY;
	posX = (window.screen.width - largura) / 2;
	posY = (window.screen.height - altura) / 2;
	window.open(pagina,"_blank","width="+largura+",height="+altura+",top="+posY+",left="+posX+",scrollbars="+rolagem+",toolbar=no,location=no,directories=no,menubar=no,resizable=no,menubar=no");
}


/******************************************************************
	POPUP POSIÇÃO PADRÃO
******************************************************************/

function abrePopupMenor(pagina,largura,altura,rolagem)
{
	window.open(pagina,"_blank","width="+largura+",height="+altura+",top=80,left=80,scrollbars="+rolagem+",toolbar=no,location=no,directories=no,menubar=no");
}


/******************************************************************
	REMOVE ACENTOS
******************************************************************/

function removeAcentos(texto) 
{
	str = texto.toUpperCase();
	str = str.replace(new RegExp('[ÁÀÂÃ]','gi'), 'A');
	str = str.replace(new RegExp('[ÉÈÊ]','gi'), 'E');
	str = str.replace(new RegExp('[ÍÌÎ]','gi'), 'I');
	str = str.replace(new RegExp('[ÓÒÔÕ]','gi'), 'O');
	str = str.replace(new RegExp('[ÚÙÛÜ]','gi'), 'U');
	str = str.replace(new RegExp('[Ç]','gi'), 'C');
	str = str.replace(new RegExp('[Ñ]','gi'), 'N');
	
	return str;
} 


/******************************************************************
	VERIFICA SE O OBJETO É ARRAY
******************************************************************/

function isArray(obj) 
{
    return obj.constructor == Array;
}



/******************************************************************
	AUMENTA E DIMINUE A FONTE DO TEXTO
******************************************************************/

function sizeFont(elem, acao)
{
	var tamMin = 4;
	var tamMax = 20;
	
	$(elem).each(function(){
		
		var objNome = $(this);
		var tamInit = objNome.css("font-size");
		var tamFont = parseInt(tamInit);
		
		if (acao == '+' && tamFont < tamMax)
		{
			$(this).css("font-size", (tamFont+2)+'px');
		}
			
		if (acao == '-' && tamFont > tamMin)
		{
			$(this).css("font-size", (tamFont-2)+'px');
		}		
		
	});
	
}