function toogle(total, mudanca){	
	for(i=1; i<=total; i++){
		executa = "parte" + i + " = document.getElementById(\"bloco" + i + "\")";
		eval (executa);
		executa = "parte" + i + ".style.display = \"none\"";		
		eval (executa);		
	}
	executa = "parte" + mudanca + ".style.display = \"\"";
	eval (executa);
}