// Cambia el contenido del div---------------------------------------------------------------
function CContenido(n){
	if (n==1){
		document.getElementById("header").style.backgroundImage = "url(../../ibercolmex/docs/"+r1+")";
	}else{
		if (n==2){
			document.getElementById("header").style.backgroundImage = "url(../../ibercolmex/docs/"+r2+")";			
		}
	}
}