/***********************************************
* Jump To Top Link Script- ・ｩ Dynamic Drive (www.dynamicdrive.com)
* Last updated Nov 13th, 03'.
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

//Specify the text to display
var displayed='<img src="http://www.uniqueradio.jp/img/common/goto.gif">'

///////////////////////////Do not edit below this line////////////

//var logolink='javascript:window.scrollTo(0,0)'
var logolink='backToTop(); return false;'
var ns4=document.layers
var ie4=document.all
var ns6=document.getElementById&&!document.all

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

function regenerate(){
	window.location.reload()
}
function regenerate2(){
	if (ns4)
	setTimeout("window.onresize=regenerate",400)
}

if (ie4||ns6)
	document.write('<span id="logo" style="position:absolute;top:-300px;z-index:100">'+displayed+'</span>')

function createtext(){ //function for NS4
	staticimage=new Layer(5)
	staticimage.left=-300
	//staticimage.document.write('<a href="'+logolink+'">'+displayed+'</a>')
	staticimage.document.write('<a href="#" onClick="'+logolink+'">'+displayed+'</a>')
	staticimage.document.close()
	staticimage.visibility="show"
	regenerate2()
	staticitns()
}

function staticit(){ //function for IE4/ NS6
	var w2=ns6? pageXOffset+w : ietruebody().scrollLeft+w
	var h2=ns6? pageYOffset+h : ietruebody().scrollTop+h
	crosslogo.style.left=w2+"px"
	crosslogo.style.top=h2+"px"
}

function staticit2(){ //function for NS4
	staticimage.left=pageXOffset+window.innerWidth-staticimage.document.width-28
	staticimage.top=pageYOffset+window.innerHeight-staticimage.document.height-10
}

function inserttext(){ //function for IE4/ NS6
	if (ie4)
		crosslogo=document.all.logo
		else if (ns6)
		crosslogo=document.getElementById("logo")
		//crosslogo.innerHTML='<a href="'+logolink+'">'+displayed+'</a>'
		crosslogo.innerHTML='<a href="#" onClick="'+logolink+'">'+displayed+'</a>'
		w=ns6 || window.opera? window.innerWidth-crosslogo.offsetWidth-20 : ietruebody().clientWidth-crosslogo.offsetWidth-10
		h=ns6 || window.opera? window.innerHeight-crosslogo.offsetHeight-15 : ietruebody().clientHeight-crosslogo.offsetHeight-10
		crosslogo.style.left=w+"px"
		crosslogo.style.top=h+"px"
		if (ie4)
		window.onscroll=staticit
	else if (ns6)
		startstatic=setInterval("staticit()",100)
}

if (ie4||ns6){
if (window.addEventListener)
	window.addEventListener("load", inserttext, false)
else if (window.attachEvent)
	window.attachEvent("onload", inserttext)
else
	window.onload=inserttext
	//window.onresize=new Function("window.location.reload()")
}
else if (ns4)
	window.onload=createtext

function staticitns(){ //function for NS4
	startstatic=setInterval("staticit2()",90)
}
function backToTop() {
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;
	if (document.documentElement) {
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollTop || 0;
	}
	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;
	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));
	window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
	if (x > 0 || y > 0) {
		window.setTimeout("backToTop()", 25);
	}
}