var b2tx=80,b2ty=50,b2th='<nobr><img src="top.gif"></nobr>';

	function b2x()
		{
			return ((moz)?window.innerWidth-20:document.body.clientWidth)-b2tx;
		}
		
	function b2y()
		{
			return ((moz)?window.innerHeight:document.body.clientHeight)+b2o()-b2ty;
		}
		
	function b2o()
		{
			return (moz)?window.pageYOffset:document.body.scrollTop;
		}
		
	function b2t()
		{
			with(document.getElementById('bttl').style)
			{
				left=((b2o()<1)?-500:b2x())+'px';
				top=((b2o()<1)?-500:b2y())+'px';
			}
			setTimeout('b2t()',99);
		}
			var moz=(document.getElementById&&!document.all)?1:0;
			document.write('<div id="bttl" class="bak2top" style="position:absolute"><a style="cursor:'+((moz)?'pointer':'hand')+'" onclick="JavaScript:scrollTo(0,0)">'+b2th+'</a></div>');b2t();