var links = ( screen.availWidth - 700 ) / 2
var oben = ( screen.availHeight - 700 ) / 2

function info(URL)
{
if(document.images)
showWin = open(URL,"see","width=700,height=500,menubar=no,status=no,locationbar=no,resizable=yes,scrollbars=yes");
showWin.moveTo(links,oben);
showWin.focus();
}