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 = 'imagenes/' + 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 cambiaImagen(valor){
	switch(valor)
	{
		case '1':
			var imagen = document.getElementById('img1');
			var capa = document.getElementById('div1');
			var menu_file = 'menu1_e.gif';
			var menu_file_over = 'menu1_e_over.gif';
			var index = 1;
			var index_over = 0;
			break;
		case '2':
			var imagen = document.getElementById('img2');
			var capa = document.getElementById('div2');
			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 imagen = document.getElementById('img3');
			var capa = document.getElementById('div3');
			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 imagen = document.getElementById('img4');
			var capa = document.getElementById('div4');
			var menu_file = 'menu4_e.gif';
			var menu_file_over = 'menu4_e_over.gif';
			var index = 7;
			var index_over = 6;
			break;
		default:
			break;		    
	}
	
	
	var src = "";
	var d = document;
	if (imagen != null)
	{
		src = imagen.src;
		src = src.split("/")[src.split("/").length-1];
	}
	//alert(src);
	if (imagen != null && src != "" && src == menu_file && d.vector!= null && d.vector[index] != null && d.vector[index].src != null)
	{
		imagen.src = d.vector[index].src;
		if (capa != null)
		{
			capa.style.display = 'block';
		}
	}
	else if (imagen != null && src != "" && src == menu_file_over && d.vector!= null && d.vector[index_over] != null && d.vector[index_over].src != null)
	{
		imagen.src = d.vector[index_over].src;
		if (capa != null)
		{
			capa.style.display = 'none';
		}				
	}
}
function dentroCapa(valor)
{
	switch(valor)
	{
		case '1':
			var capa = document.getElementById('div1');
			var imagen = document.getElementById('img1');
			var menu_file = 'menu1_e.gif';
			var menu_file_over = 'menu1_e_over.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;
	}
	
	
	var src = "";
	var d = document;
	if (imagen != null)
	{
		src = imagen.src;
		src = src.split("/")[src.split("/").length-1];
	}
	//alert(src);
	if (imagen != null && src != "" && src == menu_file && d.vector!= null && d.vector[index] != null && d.vector[index].src != null)
	{
		imagen.src = d.vector[index].src;
		if (capa != null)
		{
			capa.style.display = 'block';
		}
	}
	else if (imagen != null && src != "" && src == menu_file_over && d.vector!= null && d.vector[index_over] != null && d.vector[index_over].src != null)
	{
		imagen.src = d.vector[index_over].src;			
	}		
}

function quitarCapa(valor)
{
    switch(valor)
	{
		case '1':
			var capa = document.getElementById('div1');
			var imagen = document.getElementById('img1');
			var menu_file = 'menu1_e.gif';
			var menu_file_over = 'menu1_e_over.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';
	}
	
	var src = "";
	var d = document;
	if (imagen != null)
	{
		src = imagen.src;
		src = src.split("/")[src.split("/").length-1];
	}
	if (imagen != null && src != "" && src == menu_file && d.vector!= null && d.vector[index] != null && d.vector[index].src != null)
	{
		imagen.src = d.vector[index].src;
		if (capa != null)
		{
			capa.style.display = 'block';
		}
	}
	else if (imagen != null && src != "" && src == menu_file_over && d.vector!= null && d.vector[index_over] != null && d.vector[index_over].src != null)
	{
		imagen.src = d.vector[index_over].src;			
	}		
}