function Skins(select,num) {
	 
	this.select=eval(select);
	this.num=eval(num);
}

//Inicialización
function cargar_Skins(select,num) {
	Object_Skins= new Skins(select,num);
	actualizar_Skins();	
}
function cambiar_Skin(skin) {
	Object_Skins.select=eval(skin);
	actualizar_Skins();
}

function actualizar_Skins() {
	id=Object_Skins.select;
	for (i=1; i<=Object_Skins.num;i++) {
		
		if (i==id) {
		document.getElementById(i).className="contenedor_thumb contenedor_thumb_activo";
		}
		else {
		document.getElementById(i).className="contenedor_thumb";
		}
	}
	document.getElementById("skin").value = id;
}