document.addEventListener("load",HandlerLoad,false);
 document.addEventListener("dblclick",HandlerDblclick,false);
 document.addEventListener("click",HandlerClick,false);
 
 function HandlerLoad() {
 	disableHatenaKeyword();
 	hatenaAntennaDiffSwitcher();
 	hatenaBookmarkCommentViewer();
 }
 
 function HandlerClick(){
 }
 
 function HandlerDblclick() {
 	hatenaAntennaDiffSwitcher();
     hatenaBookmarkCommentViewerSwitcher();
 }
 ///////////////////////////////////////////////////////
 function hatenaAntennaDiffSwitcher(){
 if(window.location.href.indexOf('http://a.hatena.ne.jp') == 0){
 	var p=document.getElementsByTagName('p');
 	for(i=0; i<p.length; i++){
 		if(p[i].className=="diff"){
 			if(p[i].style.display == "none"){
 				p[i].style.display="block";
 			}else{
 				p[i].style.display="none";
 			}
 		}
 	}
 }}
 ///////////////////////////////////////////////////////
 function hatenaBookmarkCommentViewerSwitcher(){
 if(window.location.href.indexOf('http://b.hatena.ne.jp') == 0){
 	var ul=document.getElementsByTagName('ol');
 	if(ul[0].style.display == "none"){
 		for(i=0; i<ul.length; i++){
 			if(ul[i].className=="comments"){
 				ul[i].style.display="block";
 			}
 		}
 		var flag=1;
 	}else{
 		for(i=0; i<ul.length; i++){
 			if(ul[i].className=="comments"){
 				ul[i].style.display="none";
 			}
 		}
 		var flag=0;
 	}}
 }
 
 ///////////////////////////////////////////////////////
 function hatenaBookmarkCommentViewer(){
 var url = window.location.href;
 if(window.location.href.indexOf('http://b.hatena.ne.jp') == 0){
 	dispC=function(url,us){
 		if(e[url]){
 			ul=document.createElement('ol');
 			ul.className="comments";
 			ul.style.backgroundColor="#edf1fd";
 			ul.style.fontSize="80%";
 			ul.style.lineHeight="150%";
 			ul.style.display="none";
 			for(var i in us){
 				ul.innerHTML+='<li><a href="/'+us[i].id+'/">id:'+us[i].id+'</a> '+us[i].comment+'</li>';
 			}
 			e[url].appendChild(ul);
 		}
 	};
 	e={};
 	ls=document.getElementsByTagName('a');
 	
 	for(i=0;i<ls.length;i++){
 		if(ls[i].className=='bookmark'){
 			e[ls[i].href]=ls[i].parentNode.parentNode;
 			var s=document.createElement('script');
 			s.src='http://f61.aaa.livedoor.jp/~busky/php/hbc.php?all=0&al=1&urlurl='+escape(ls[i].href);
 	document.body.appendChild(s);
 	�@}
 	};
 	undefined;
 }}
 
 /////////////////////////////////////////////////////////
 // from:
 // http://www.pandora.nu/tempo-depot/notes/PC_side/Web_Browser/Opera/d050401x4.htm
 function disableHatenaKeyword(){
 	var url = window.location.href;
 	if(url.indexOf('http://d.hatena.ne.jp') == 0 || url.indexOf('http://g.hatena.ne.jp') == 0){
 		var node = document.getElementsByTagName('body')[0];
 		searchKeyword(node);
 	}
 /*search keyword ancher, recursive function : searchKeyword(node) */
 	function searchKeyword(n){
 		if(n.nodeType == 1 && n.tagName.toUpperCase() == 'A' && (n.className == 'keyword' || n.className == 'okeyword')){
 			var rNode = replaceTagName(n,'span');
 			rNode.className = 'keyword';
 		}else if(n.hasChildNodes()){
 			for(var i = 0; i < n.children.length; i++){
 				searchKeyword(n.children[i]);
 			}
 		}
 	return;
 	}
 /* replace tagname : replaceTagName(node, elememtName)*/
 function replaceTagName(n, en){
 	var r = document.createElement(en);
 	for(var j = 0; j < n.childNodes.length; j++){
 	r.appendChild(n.childNodes[j].cloneNode(true));
 	}
 n.parentNode.insertBefore(r, n);
 n.parentNode.removeChild(n);
 return r;
 }
 }
 /////////////////////////////////////////////////////////