var image1=new Image()
image1.src="imagenes/cabecera1.jpg"
var image2=new Image()
image2.src="imagenes/cabecera2.jpg"
var image3=new Image()
image3.src="imagenes/cabecera3.jpg"
var image4=new Image()
image4.src="imagenes/cabecera4.jpg"
var image5=new Image()
image5.src="imagenes/cabecera5.jpg"
var number_of_images=5
var speed=5
var step=1

function slideit(){
	if (!document.images)
		return
	if (document.all)
		document.cabecera.filters.blendTrans.apply()
	document.images.cabecera.src=eval("image"+step+".src")
	if (document.all)
		document.cabecera.filters.blendTrans.play()
	if (step<number_of_images)
		step++
	else
		step=1
	if (document.all)
		setTimeout("slideit()",speed * 1000)
	else
		setTimeout("slideit()",speed * 1000)
}