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 = ""
     }
 }