Event.observe(window, "load", setListener, false);

function setListener(){
	$('a_favorite').onclick = function() { 
		
		//Internet Explorer
		if(navigator.userAgent.indexOf("MSIE") > -1){ 
			window.external.AddFavorite(favorite_url,favorite_title);
		}
		
		//Firefox
		else if(navigator.userAgent.indexOf("Firefox") > -1){ 
			window.sidebar.addPanel(favorite_title,favorite_url,'');
		}
		
		//Opera
		else if(navigator.userAgent.indexOf("Opera") > -1){ 
			this.href 	= favorite_url;
			this.title 	= favorite_title;
			this.rel 	= "sidebar";
			return true;
		}
		
		else {
		}

		return false;
	};

	$('a_yahoo').onclick = function() { 
		
		window.open('http://bookmarks.yahoo.co.jp/bookmarklet/showpopup?t='+encodeURIComponent(favorite_title)+'&u='+encodeURIComponent(favorite_url)+'&ei=UTF-8','_blank','width=650,height=480,left=100,top=50,scrollbars=1,resizable=1',0);

		return false;
	};

	$('a_google').onclick = function() {  
		
		this.href = 'http://toolbar.google.com/buttons/add?url='+favorite_url+'google_button.xml';

		return true;
	};


}