//ブラウザ判定用
function browser(){
    if(navigator.userAgent.indexOf("Opera") != -1){
        type = "Opera";
    }else if(navigator.userAgent.indexOf("MSIE")!=-1 
    && navigator.userAgent.indexOf("Trident/4.0")!=-1){
        type = "MSIE8";
    }else if(navigator.userAgent.indexOf("MSIE") != -1){
        type = "MSIE";
    }else if(navigator.userAgent.indexOf("Firefox") != -1){
        type = "Firefox";
    }else if(navigator.userAgent.indexOf("Netscape") != -1){
        type = "Netscape";
    }else if(navigator.userAgent.indexOf("Safari") != -1){
        type = "Safari";
    }else{
        type = "none"; 
    }
    return type;
}
 
//バルーンブロック表示用
function balloon_showblock(Target, TopPos, LeftPos){
    if(browser() == "MSIE"){
        document.onmousemove = iMouseIE;
    }else if(browser() == "MSIE8"){
        document.onmousemove = iMouseIE8;
    }else{
        document.onmousemove = iMouseFirefox;
    }
 
    function iMouseFirefox(evt){
        Xpos = evt.pageX-LeftPos;
        Ypos = evt.pageY-TopPos;
        document.getElementById(Target).style.top = Ypos+"px";
        document.getElementById(Target).style.left = Xpos+"px";
    }
 
    function iMouseIE(){
        Xpos = event.x+(document.body.scrollLeft || document.documentElement.scrollLeft)-LeftPos;
        Ypos = event.y+(document.body.scrollTop || document.documentElement.scrollTop)-TopPos;
        document.getElementById(Target).style.top = Ypos+"px";
        document.getElementById(Target).style.left = Xpos+"px";
    }
 
    function iMouseIE8(){
        Xpos = event.x-LeftPos;
        Ypos = event.y-TopPos;
        document.getElementById(Target).style.top = Ypos+"px";
        document.getElementById(Target).style.left = Xpos+"px";
    }
 
    document.getElementById(Target).style.display = "";
}
 
//バルーンブロック非表示用
function hide_block(Target){
    document.getElementById(Target).style.display = "none";
}