//muda a cor da página de acordo com os parâmetros da url
//ex: index_pt.html?green
function checkColor () {

	var url_color = location.search.substring(1);    //pega o que vem após a ?
	if ((url_color == "yellow") || (url_color == "amarelo")) {
		setActiveStyleSheet('layout2'); 
	}
	else if ((url_color == "red") || (url_color == "vermelho")) {
		setActiveStyleSheet('layout3'); 
	}
	else if ((url_color == "blue") || (url_color == "azul")) {
		setActiveStyleSheet('layout4'); 
	}
	else if ((url_color == "green") || (url_color == "verde")) {
		setActiveStyleSheet('layout5');
	}
	else if ((url_color == "brown") || (url_color == "marrom")) {
		setActiveStyleSheet('default'); 
	}
	else {}
	
}