// JavaScript Document
function getObject(obj) {
	var o;
	if(document.getElementById) o = document.getElementById(obj);
	else if(document.all) o = document.all.obj;	
	return o;	
}
var cerrado=false;
function ocultar(){
getObject("imagen_desplegable").onclick=function(){}
if(cerrado){
	getObject("desplegable").style.display="";
	abrir(0);
	return(false);
}else{
	cerrar(210);
	return true;
}
}
function cerrar(n){
	if(n >0){
		k=n-10;
		if(k<=0){ getObject("desplegable").style.display="none";}
		getObject('desplegable').style.height=k+"px";
		setTimeout("cerrar(k)",1)	;
	}else{
		getObject("imagen_desplegable").onclick=function(){cerrado=ocultar();}	
	}
}

function abrir(n){
	if(n <210){
		k=n+10;
		getObject('desplegable').style.height=k+"px";
		setTimeout("abrir(k)",1)	;
	}else{
		getObject("imagen_desplegable").onclick=function(){cerrado=ocultar();}	
	}
}