function init() {

		mylayer1 = new DynLayer("mylayerDiv1");
		mylayer2 = new DynLayer("mylayerDiv2")
		mylayer3 = new DynLayer("mylayerDiv3")
		mylayer4 = new DynLayer("mylayerDiv4")
		mylayer5 = new DynLayer("mylayerDiv5")

}


function mostrar(n) {
for ( var i=1; i<=5; i++ ) eval("top.frames.contenido.mylayer" + i + (i == n ? ".show()" : ".hide()"));
}