// Bookmark Page
function bookmark_us(url, title){
if (window.sidebar) // firefox
    window.sidebar.addPanel(title, url, "");
else if(window.opera && window.print){ // opera
    var elem = document.createElement('a');
    elem.setAttribute('href',url);
    elem.setAttribute('title',title);
    elem.setAttribute('rel','sidebar');
    elem.click();
}
else if(window.chrome) //chrome
	alert('Press Ctrl+D to bookmark (Command+D for mac) after you click Ok');
else if(document.all)// ie
    window.external.AddFavorite(url, title);
}