var actual; 
function precargarImagenes(){
    var d = document;
    actual = 0;
    if (d.images){
        if(!d.vector){
            d.vector = new Array();
        }
        var i;
        for(i = 0; i != precargarImagenes.arguments.length; i++){
            d.vector[i] = new Image;
            d.vector[i].src = precargarImagenes.arguments[i];
        }
    }
}

function precargarImagenes_dir(){
    var d = document;
    actual = 0;
    if (d.images){
        if(!d.vector){
            d.vector = new Array();
        }
        var i;
        for(i = 0; i != precargarImagenes_dir.arguments.length; i++){
            d.vector[i] = new Image;
            d.vector[i].src = '../imagenes/' + precargarImagenes_dir.arguments[i];
        }
    }
}

function precargarImagenes_han(){
    var d = document;
    actual = 0;
    if (d.images){
        if(!d.vector){
            d.vector = new Array();
        }
        var i;
        for(i = 0; i != precargarImagenes_han.arguments.length; i++){
            d.vector[i] = new Image;
            d.vector[i].src = precargarImagenes_han.arguments[i];
        }
    }
}


function dentroCapa(valor)
{
	switch(valor)
	{
		case '1':
			var capa = document.getElementById('div1');
			var imagen = document.getElementById('img1');
			var menu_file = 'catalogo.gif';
			var menu_file_over = 'catalogo.gif';
			var index = 1;
			var index_over = 0;
			break;
		case '2':
			var capa = document.getElementById('div2');
			var imagen = document.getElementById('img2');
			var menu_file = 'menu2_e.gif';
			var menu_file_over = 'menu2_e_over.gif';
			var index = 3;
			var index_over = 2;
			break;
		case '3':
			var capa = document.getElementById('div3');
			var imagen = document.getElementById('img3');
			var menu_file = 'menu3_e.gif';
			var menu_file_over = 'menu3_e_over.gif';
			var index = 5;
			var index_over = 4;
			break;
		case '4':
			var capa = document.getElementById('div4');
			var imagen = document.getElementById('img4');
			var menu_file = 'menu4_e.gif';
			var menu_file_over = 'menu4_e_over.gif';
			var index = 7;
			var index_over = 6;
			break;
		default:
			break;
	}
	
	if (capa != null)
	{
		capa.style.display = 'block';
		capa.style.visibility = 'visible';
	}
}

function quitarCapa(valor)
{
    switch(valor)
	{
		case '1':
			var capa = document.getElementById('div1');
			var imagen = document.getElementById('img1');
			var menu_file = 'catalogo.gif';
			var menu_file_over = 'catalogo.gif';
			var index = 1;
			var index_over = 0;
			break;
		case '2':
			var capa = document.getElementById('div2');
			var imagen = document.getElementById('img2');
			var menu_file = 'menu2_e.gif';
			var menu_file_over = 'menu2_e_over.gif';
			var index = 3;
			var index_over = 2;
			break;
		case '3':
			var capa = document.getElementById('div3');
			var imagen = document.getElementById('img3');
			var menu_file = 'menu3_e.gif';
			var menu_file_over = 'menu3_e_over.gif';
			var index = 5;
			var index_over = 4;
			break;
		case '4':
			var capa = document.getElementById('div4');
			var imagen = document.getElementById('img4');
			var menu_file = 'menu4_e.gif';
			var menu_file_over = 'menu4_e_over.gif';
			var index = 7;
			var index_over = 6;
			break;
		default:
		
	}
	
	if (capa != null)
	{
		capa.style.display = 'none';
		capa.style.visibility = 'hidden';
	}
	
}

function mostrar_elemento(elem)
{
    document.getElementById(elem).style.display = 'block';
    document.getElementById(elem).style.visibility = 'visible';
}

function ocultar_elemento(elem)
{
    document.getElementById(elem).style.display = 'none';
    document.getElementById(elem).style.visibility = 'hidden';
}