var urlAddress = "http://sessile-oak.co.uk/Resources/PBResource.html"; 
var pageName = "Sessile Oak - Resource";

function addToFavorites() 
{ 
if (window.external) 
{ 
window.external.AddFavorite(urlAddress,pageName) 
} 
else 
{ 
alert("SORRY - YOUR BROWSER DOESN'T SUPPORT THIS FUNCTION - please check your menu to add manually"); 
}
}