var b2tx=80,b2ty=50,b2th='<nobr>Back To Top</nobr>';
var moz=(document.getElementById&&!document.all)?1:0;
//
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()
{
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	{
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	setTimeout('b2t()',99);
}
//
b2t();