var nn4 = (document.layers)? true:false;
	var ie =  (document.all)? true:false;
	var dom = (document.getElementById)? true:false;		
	var x=0;
	var y=0;

				
function menu(x,y){	
	var str = '<ul>';
		for(i=0;i<arrMenu.length;i++){
			if(i==x)
			{str += '	<li>< img src="titulos/titulos.php?f=1&c=1&s=10&texto='+arrMenu[i]+'&mo=1&png" border="0"></li>\n';}
			else
			{str += '	<li><a href="' + arrEnlaces[i] + '" onclick="javascript:menu('+i+')" title="'+arrMenu[i]+'">< img src="titulos/titulos.php?f=1&c=1&s=10&texto='+arrMenu[i]+'&png" border="0" alt="'+arrMenu[i]+'"></a></li>\n';}
		}
		str += '</ul>\n';
		if(y!=-1)
		{
		var str2= '<ul>';
			for(i=0;i<arrMenub[x].length;i++){
				if(i==y)
				{str2 += '	<li><a href="' + arrEnlacesb[x][i] + '"  class="estoy"><span>' + arrMenub[x][i] + '</span></a></li>\n';}
				else
				{str2 += '	<li><a href="' + arrEnlacesb[x][i] + '" ><span>' + arrMenub[x][i] + '</span></a></li>\n';}			
			}
		str2 += '</ul>\n';
		}

if (ie){
	document.all["menu"].innerHTML = str;			
	if(y!=-1){document.all["submenu"].innerHTML = str2;}
	}else{
    	if (dom){
     			document.getElementById("menu").innerHTML = str;
				if(y!=-1){document.getElementById("submenu").innerHTML = str2;}
    		}else{
     			document.layers["menu"].document.open();
    			document.layers["menu"].document.write(str);
     			document.layers["menu"].document.close();
				if(y!=-1){
				document.layers["submenu"].document.open();
    			document.layers["submenu"].document.write(str2);
     			document.layers["submenu"].document.close();
				}
    		}			
	}
	
}

	function ocultar(cual){
	document.getElementById("capa_desc"+cual).style.display='none';		
	}
	function mostrar(cual){		
				
	var numcaps=1//*N&uacute;mero de capas;
		for(i=0;i<=numcaps;i++){
			if(cual==i)
			{
			document.getElementById("capa_desc"+i).style.display='block';
			}else{
			ocultar(i)
			}
		}
	}


	function MuestraForm(Seccion){
		if (document.getElementById)
		{
			// this is the way the standards work
			var style2 = document.getElementById(Seccion).style;
			style2.display = style2.display? "":"none";
		}else if (document.all){
			// this is the way old msie versions work
			var style2 = document.all[Seccion].style;
			style2.display = style2.display? "":"none";
		}else if (document.layers){
			// this is the way nn4 works
			var style2 = document.layers[Seccion].style;
			style2.display = style2.display? "":"none";
		}
	}