// Bak2Top v1.6 by MaxxBlade www.maxxblade.co.uk/bak2top

var b2tx=0,b2ty=40,b2th='<div style="align: center; border: 1px solid #E7E3E7; background-color: #FFFFFF; color: #5984B0; font-family: Tahoma; font-size: 8pt; "><nobr>&nbsp;Al inicio <img border="0" src="images/sqvn_b2top.gif">&nbsp;</nobr></div>';

function b2x(){return ((moz)?window.innerWidth-20:document.body.clientWidth)/2+336-b2tx;}
function b2y(){return ((moz)?window.innerHeight:document.body.clientHeight)+b2o()-b2ty;}
function b2o(){return (moz)?window.pageYOffset:document.body.scrollTop;}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();