//global vars
var ie 	= (navigator.appName.toLowerCase().indexOf( "microsoft" ) != -1);
var ff	= (navigator.userAgent.toLowerCase().indexOf( "firefox" ) != -1);
var ns	= (navigator.userAgent.toLowerCase().indexOf( "netscape" ) != -1);
var opr	= window.opera;

//bookmark
function bookmarkPage(){
	var btnBookmark = document.getElementById( "bookmark" );
	if( btnBookmark ){
		var btnBookmark_parent	= btnBookmark.parentNode;
		var pageUrl							= document.location.href;
		var pageTitle						= document.title;

		if( ie && !opr ){
			btnBookmark.onclick = function(){
				window.external.AddFavorite( pageUrl, pageTitle );
				return false;
			}
		}
		else if( ff ){
			btnBookmark.onclick = function(){
				window.sidebar.addPanel( pageTitle, pageUrl, "" );
				return false;
			}
		}
		else{
			var tmp_var	= btnBookmark_parent.removeChild( btnBookmark );
		}
	}
}