var INTERIORES = {
	init : function()
	{
		if (document.getElementById('menu'))
		{
			INTERIORES.cargarImg();
			var lnk_menu = document.getElementById('menu').getElementsByTagName('a');
			for (cont = 0; cont < lnk_menu.length; ++cont)
			{			
				document.getElementById(lnk_menu[cont].id).onclick = function()
				{
					INTERIORES.cambiarMenu();
					if (document.getElementById(this.id.replace('lnk','img')))
					{
						document.getElementById(this.id.replace('lnk','img')).src = document.getElementById(this.id.replace('lnk','img')).src.replace('_off_','_on_');
					}
					document.getElementById(this.id.replace('lnk','sub')).className = 'dblock';
					INTERIORES.cargarImg();
					return false;
				}
			}
		}
		
		if (document.getElementById('lnkImprimir'))
		{
			document.getElementById('lnkImprimir').onclick = function ()
			{
				window.print();
				return false;
			}
		}
	},
	cargarImg : function()
	{	
		var opcmenu = document.getElementById('menu').getElementsByTagName('img');
		for (cont = 0; cont < opcmenu.length; ++cont)
		{
			if (document.getElementById(opcmenu[cont].id.replace('img','sub')).className != 'dblock')
			{
				document.getElementById(opcmenu[cont].id).onmouseover = function()
				{
					if (document.getElementById(this.id.replace('img','sub')).className != 'dblock')
						document.getElementById(this.id).src = document.getElementById(this.id).src.replace('_off_','_on_');
				}
				
				document.getElementById(opcmenu[cont].id).onmouseout = function()
				{
					if (document.getElementById(this.id.replace('img','sub')).className != 'dblock')
						document.getElementById(this.id).src = document.getElementById(this.id).src.replace('_on_','_off_');
				}
			}
		}
	},
	cambiarMenu : function()
	{
		capas_sub = document.getElementById('submenu').getElementsByTagName('div');
		for (cont = 0; cont < capas_sub.length; ++cont)
		{
			if (capas_sub[cont].id != 'capaImprimir')
			document.getElementById(capas_sub[cont].id).className = 'dnone';
		}
		capas_sub = document.getElementById('menu').getElementsByTagName('img');
		for (cont = 0; cont < capas_sub.length; ++cont)
		{
			document.getElementById(capas_sub[cont].id).id = 'imghome'+parseInt(cont+1);
			document.getElementById(capas_sub[cont].id).src = document.getElementById(capas_sub[cont].id).src.replace('_on_','_off_');
		}
	}
}


/* LOAD */

function addLoadEvent(fn)
 {
	var old = window.onload;
	if(typeof window.onload != 'function')
		window.onload = fn;
	else
		window.onload = function()
		 {
			old();
			fn();
		 }
 }

addLoadEvent( function() { INTERIORES.init(); } );