function $(id){
    return document.getElementById(id);
};

function H(o,sv){
    var lbl=$(o);
    var content=lbl.innerHTML;
    var reg=new RegExp(sv+'(?![^<img]*>|[^<]*<\\/>|[^<]<\\/span>|[^<]*<\\/span>)','ig');
    content=content.replace(reg, '<span class="HighlighterBg">' + sv + '</span>');
    lbl.innerHTML=content;
};

function H2(o,sv){
    var lbl=$(o);
    var content=lbl.innerHTML;
    var reg=new RegExp(sv,'ig');
    content=content.replace(reg, '<span class="HighlighterBg">' + sv + '</span>');
    lbl.innerHTML=content;
};

function H3(o,sv){
    var lbl=$(o);
    var content=lbl.innerHtml;
    var reg=new RegExp(sv+'(?![^<img]*>|[^<]*<\\/>|[^<]<\\/span>|[^<]*<\\/span>)','ig');
    content=content.replace(reg, '<span class="HighlighterBg">' + sv + '</span>');
    lbl.innerHtml=content;
};