CSS ON / OFF bookmarklet

• http://pasokon-yugi.cool.ne.jp/bookmarklet/

javascript:(function(){var%20l,i,x,s,j,y;l=document.getElementsByTagName('link');for(i=0;i<l.length;i++){x=l.item(i);if(x.rel.match(/^stylesheet$/i)){if(x.disabled==false)x.disabled=true;else%20if(x.disabled==true)x.disabled=false;}}s=document.getElementsByTagName('style');for(j=0;j<s.length;j++){y=s.item(j);if(y.disabled==false)y.disabled=true;else%20if(y.disabled==true)y.disabled=false;}})()

javascript:
(function(){
    var l,i,x,s,j,y;
    l=document.getElementsByTagName('link');
    for(i=0;i<l.length;i++){
        x=l.item(i);
        if(x.rel.match(/^stylesheet$/i)){
            if(x.disabled==false)
                x.disabled=true;
            else if(x.disabled==true)
                x.disabled=false;
        }
    }
    s=document.getElementsByTagName('style');
    for(j=0;j<s.length;j++){
        y=s.item(j);
        if(y.disabled==false)
            y.disabled=true;
        else if(y.disabled==true)
            y.disabled=false;
    }
})()

disabled? トグル動作?