// JavaScript Document Location
function inicio()
{
  document.write(location.hostname);
}
function pag_actual()
{
  document.write("La URL es: <b>" + location.href + "</b>");
}
function pag_previa()
{
  document.write("La URL anterior: <b>" + location.previous + "</b>");
}
function links()
{
	var i; 
	for (i=0;i<document.links.length;i++) 
   	{ 
   	document.write("Target : " + document.links[i].target + "<br>"); 
   	document.write("Host : " + document.links[i].host + "<br>"); 
   	document.write("Href : " + document.links[i].href + "<br>"); 
   	document.write("Search : " + document.links[i].search + "<br>"); 
   	document.write("<br><br>"); 
   } 
}