JavaScript Add to favorites

<SCRIPT language=Javascript type=Text/Javascript>
 var urlAddress = "http://mitkophilia.hit.bg/";
 var pageName = "Mitkophilia";
 
function addToFavorites(){
 if (window.external)
  {window.external.AddFavorite(urlAddress,pageName)}
   else{alert("Sorry, your browser doesn't support this function.")}}
</SCRIPT>
<INPUT name="Wompaper" onclick=addToFavorites() type=button value="Add To Favorites" style="background-color: #000000; color: #FFFF00; font-style: italic; font-weight: bold; border-style: solid; border-color: #808080">