function addBookmark(title,url) {
    if (window.sidebar) {
        window.sidebar.addPanel(title, url,"");
    } else if( document.all ) {
        window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
        return true;
    }
}

function myFavorite(){
        var agent=navigator.userAgent;
        var ie=agent.indexOf("MSIE");
        var iever=parseInt(agent.substring(ie+5, ie+6));
        var os=agent.indexOf("Windows");

        if((ie > 0) && (iever >= 5) && (os > 0) && !window.opera){
            var bookmarkURL=self.location; /* window.location.hrefでもOK */
            var bookmarkTITLE=document.title;
            window.external.AddFavorite(bookmarkURL, bookmarkTITLE);
        }else{
            alert("IEのみでサポートされています");
        }
    }

function doClear(theText)
{
     if (theText.value == theText.defaultValue)
 {
         theText.value = ""
     }
 }