function menudown( obj, bool ){
    obj.src = ( bool )? "../Imagens/Menu/" + obj.id + "_on.gif" : "../Imagens/Menu/" + obj.id + ".gif";    
}
function portdown( obj, bool ){
    obj.src = ( bool )? "../Imagens/Interna_Porti/" + obj.id + "_on.gif" : "../Imagens/Interna_Porti/" + obj.id + ".gif";    
}

var open = "";
function display( id, bool ){
	var obj = document.getElementById( id );
	if( bool ){		
		obj.style.height = "200px";
		obj.style.width = "400px";
		obj.style.marginLeft = "10px";	
		obj.innerHTML = open;		
	}else{
		open = obj.innerHTML;
		obj.style.height = "10px";
		obj.style.width = "60px";
		obj.style.marginLeft = "350px";	
		obj.innerHTML = "<img alt=\"\" src=\"../imagens/img_detalhes.gif\" style=\"float:left;cursor:pointer;\" onclick=\"display('div_info',true);\" />";
	}

}