var numBot = 3
var t = 0;
botoneraNr = new Array ();
for (var u=1; u<=numBot; u++)
{botoneraNr[u] = "efectoboton"+u;}

function mouseover(z) {
	if (z==t && t!=0 ){
		document.images[botoneraNr[t]].src = "botones/boton"+z+"c.gif";
	}
	else{
		document.images[botoneraNr[z]].src = "botones/boton"+z+"b.gif";
	}
}

function mouseout(z) {
	if (z==t && t!=0 ){
		document.images[botoneraNr[t]].src = "botones/boton"+z+"c.gif";
	}
	else{
		document.images[botoneraNr[z]].src = "botones/boton"+z+"a.gif";
	}
}

function selecton(z) {
	t=z;
	for (r=1; r<=numBot; r++){
		if (r==z) continue;
		document.images[botoneraNr[r]].src = "botones/boton"+r+"a.gif";
	}
	document.images[botoneraNr[z]].src = "botones/boton"+z+"c.gif";
}

function cargarimg() {
	var imCache_b = new Array();
	for (var i=1; i<=numBot; i++){
		imCache_b[i] = new Image();
		imCache_b[i].src = "botones/boton"+i+"b.gif";
	} 
	var imCache_c = new Array();
	for (var i=1; i<=numBot; i++){
		imCache_c[i] = new Image();
		imCache_c[i].src = "botones/boton"+i+"c.gif";
	}
	selecton(1)
}

function HideItem(ItemName, ItemButton){
// la función visualizará o no el elemento
// pasado en el argumento de la función

	var CabEval

	CabEval = eval(ItemName)

	with(CabEval.style){
		if(display=="none"){
			display="";
			document.images[ItemButton].src = "images/buttonup.gif";
		}
		else{
			display="none";
			document.images[ItemButton].src = "images/buttondw.gif";
		}
	}
}

function menu_mouse_on(obj){
	obj.style.backgroundColor= "#ffdfab";
}

function menu_mouse_off(obj) {
	obj.style.backgroundColor="#e4e4e4"
}

function menu_mouse_on2(obj){
	obj.style.backgroundColor= "#ffdfab";
}

function menu_mouse_off2(obj) {
	obj.style.backgroundColor="#FFFFFF"
}