function Bookmark(url_txt,title_txt){
if(url_txt==''){
	url_txt = 'http://www.camteens.co.uk/';
}
if(title_txt==''){
	title_txt = 'Camteens';
}
if( navigator.appVersion.indexOf("MSIE") > 0) 
 if( parseInt(navigator.appVersion)>=4 )
  window.external.AddFavorite(url_txt,title_txt);
}