No3 = (parseInt(navigator.appVersion) > 3) ? 1:0;
if (navigator.userAgent == "Mozilla/4.0 (compatible; MSIE 4.5; Mac_PowerPC)") { No3 = 0; }
layer = (document.all && No3) ? "document.all['L'+menu].style" : (document.layers && No3) ? "document.layers['L'+menu]" : 0;
var timer;

var navNombre = navigator.appName;
var navMSIE = navigator.userAgent.indexOf("MSIE");
var navOpera = navigator.userAgent.indexOf("Opera");

function navControlar(accion, numero){
if (navNombre == "Microsoft Internet Explorer" && navMSIE >= 0 && navOpera < 0){
	if (accion == "Mostrar") Show(numero);
	if (accion == "Esconder") Hide(numero);
}
else {
	return false;
}
}

function Show() { if(layer) {
	if(timer) clearTimeout(timer);
	for(menu=0; menu<Layer.length; menu++) { if(Layer[menu]) { eval(layer).visibility = "hidden"; } }
	for(i=0; i<arguments.length; i++) { menu=arguments[i]; eval(layer).visibility = "visible"; }
} }
function Hide() { timer = setTimeout("Show()", 200); }

//////////////////////////////////////////////////////

hovercolor   = "#3939AE";
bgcolor      = "#6666CC";
background   = "";
menu_border  = 1;
border_color = "#FFFFFF";
arrow_pic    = "/imagenes/navarrow.gif"; 

//////////////////////////////////////////////////////

if(document.all) { if(!background) { background=bgcolor; } else { background = "url("+background+")"; } }

function LayerSpecs(Left,Top,Width) { if(No3) {
	if(!document.all) { 
		this.left = Left;
		this.top = Top;
	}
	else {
	   this.left  = Left;
	   this.top   = Top;
	}
	this.info  = "";
	T=0;
	for(i=3; i<arguments.length; i++) {
		if(document.all) { this.info += "<TR><TD WIDTH="+Width+" onMouseOver='this.bgColor=\""+hovercolor+"\"' onMouseOut='this.bgColor=\"\"'><font class=\"barra\">&nbsp;"+arguments[i]+"</font></TD></TR>"; }
		else { this.info += "<LAYER onMouseOver='this.bgColor=\""+hovercolor+"\"' onMouseOut='this.bgColor=\""+bgcolor+"\"' WIDTH="+Width+" POSITION=RELATIVE TOP="+T+"><font class=\"barra\">&nbsp;&nbsp;"+arguments[i]+"</font></LAYER>"; }
		T+=20;
	}
} }

Layer = new Array();
arrow = "<IMG SRC='"+arrow_pic+"' WIDTH=7 HEIGHT=9 BORDER=0>";

//////////////////////////////////////////////

Layer[1] =	new LayerSpecs(480,87,110,
			'&nbsp;<A HREF="/actualidad/noticias.php" class="barra" onMouseOver="Show(3,1)">Noticias</A>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'+arrow,
			'&nbsp;<a href="/actualidad/articulos.php" class="barra" onMouseOver="Show(1)">Artículos</a>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/actualidad/entrevista.php" class="barra" onMouseOver="Show(1)">Entrevistas</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/actualidad/enlaces.php" class="barra" onMouseOver="Show(1)">Enlaces</A>&nbsp;&nbsp;'
);
Layer[2] =	new LayerSpecs(550,87,110,
			'&nbsp;<a href="javascript:void(0);" class="barra" onMouseOver="Show(4,2)">Aplicaciones</a>&nbsp;&nbsp;&nbsp;&nbsp;'+arrow,
			'&nbsp;<A HREF="/foro/showforum.php?fid=28" class="barra" onMouseOver="Show(2)">Programación</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/foro/showforum.php?fid=29" class="barra" onMouseOver="Show(2)">Herramientas</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/foro/showforum.php?fid=30" class="barra" onMouseOver="Show(2)">Tutoriales</A>&nbsp;&nbsp;'
);
Layer[3] =	new LayerSpecs(576,87,110,
			'&nbsp;<A HREF="/actualidad/noticias.php?mostrar=webmasters" class="barra" onMouseOver="Show(3,1)">Webmasters</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/actualidad/noticias.php?mostrar=programacion" class="barra" onMouseOver="Show(3,1)">Programación</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/actualidad/noticias.php?mostrar=software" class="barra" onMouseOver="Show(3,1)">Software</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/actualidad/noticias.php?mostrar=seguridad" class="barra" onMouseOver="Show(3,1)">Seguridad</A>&nbsp;&nbsp;'
);
Layer[4] =	new LayerSpecs(655,87,130,
			'&nbsp;<A HREF="/foro/showforum.php?fid=25" class="barra" onMouseOver="Show(4,2)">Webmasters</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/foro/showforum.php?fid=26" class="barra" onMouseOver="Show(4,2)">ScriptMaster</A>&nbsp;&nbsp;',
			'&nbsp;<A HREF="/foro/showforum.php?fid=27" class="barra" onMouseOver="Show(4,2)">Cibertienda</A>&nbsp;&nbsp;'
);

////////////////////////////////////////////////////////////////

j = (Layer[0]) ? 0:1;
for(i=j; i<Layer.length; i++) {
	if(document.all && No3) { document.write("<SPAN onMouseOver='clearTimeout(timer)' onMouseOut='Hide("+i+")' ID='L"+i+"' STYLE='position:absolute; visibility:hidden; background:"+background+"; top:"+Layer[i].top+"; left:"+Layer[i].left+";'><TABLE STYLE='border:solid "+menu_border+" "+border_color+"'>"+Layer[i].info+"</TABLE></SPAN>"); }
	else if(document.layers && No3) { document.write("<LAYER onMouseOver='clearTimeout(timer)' onMouseOut='Hide("+i+")' ID='L"+i+"' POSITION=ABSOLUTE VISIBILITY=HIDDEN BGCOLOR='"+bgcolor+"' BACKGROUND='"+background+"' TOP="+Layer[i].top+" LEFT="+Layer[i].left+">"+Layer[i].info+"</LAYER>"); }
}