<!--
var ie=document.all;
var dom=document.getElementById;
var ns4=document.layers;
var calunits=document.layers? "" : "px";

var bouncelimit=0; //8の倍数
var direction="up";

function initbox(){
if (!dom&&!ie&&!ns4)
return;
crossobj=(dom)?document.getElementById("dropin").style : ie? document.all.dropin : document.dropin;
scroll_top=(ie)? truebody().scrollTop : window.pageYOffset;
crossobj.top=scroll_top-250+calunits;
crossobj.visibility=(dom||ie)? "visible" : "show";
dropstart=setInterval("dropin()",50);
}

function dropin(){
scroll_top=(ie)? truebody().scrollTop : window.pageYOffset;
if (parseInt(crossobj.top)<0+scroll_top)
crossobj.top=parseInt(crossobj.top)+10+calunits;
else{
clearInterval(dropstart);
bouncestart=setInterval("bouncein()",50);
}
}

function bouncein(){
crossobj.top=parseInt(crossobj.top)-bouncelimit+calunits;
if (bouncelimit<0)
bouncelimit+=8;
bouncelimit=bouncelimit*-1
if (bouncelimit==0){
clearInterval(bouncestart);
}
}

function dismissbox(){
if (window.bouncestart) clearInterval(bouncestart)
crossobj.visibility="hidden";
}

function truebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

//初回のみ表示設定
// function get_cookie(Name) {
// var search = Name + "="
// var returnvalue = ""
// if (document.cookie.length > 0) {
// offset = document.cookie.indexOf(search)
// if (offset != -1) {
// offset += search.length
// end = document.cookie.indexOf(";", offset)
// if (end == -1)
// end = document.cookie.length;
// returnvalue=unescape(document.cookie.substring(offset, end))
// }
// }
// return returnvalue;
// }
// 
// function dropornot(){
// if (get_cookie("droppedin")==""){
window.onload=initbox
// document.cookie="droppedin=yes"
// }
// }
// dropornot()


// -->