function MenuSanfona(DIVname){

	if(document.getElementById(DIVname).style.height!="auto"){
		document.getElementById(DIVname).style.height = "auto";
		document.getElementById(DIVname+"_img").src = "images/menu_lateral_seta_aberto.gif";
	}else{
		document.getElementById(DIVname).style.height = "0px";
		document.getElementById(DIVname+"_img").src = "images/menu_lateral_seta_fechado.gif";
	}

}