var links = ( screen.availWidth - 700 ) / 2
var oben = ( screen.availHeight - 460 ) / 2

var links2 = ( screen.availWidth - 800 ) / 2
var oben2 = ( screen.availHeight - 600 ) / 2

var links3 = ( screen.availWidth - 500 ) / 2
var oben3 = ( screen.availHeight - 400 ) / 2


function showww(URL)
{
if(document.images)
showwwWin = open(URL,"see","width=700,height=450,menubar=no,status=no,locationbar=no,resizable=yes,scrollbars=yes");
showwwWin.moveTo(links,oben);
showwwWin.focus();
}

function showwww(URL)
{
if(document.images)
showwwWin = open(URL,"see","width=800,height=600,menubar=no,status=no,locationbar=no,resizable=yes,scrollbars=yes");
showwwWin.moveTo(links2,oben2);
showwwWin.focus();
}

function showwwww(URL)
{
if(document.images)
showwwwwWin = open(URL,"listen","width=500,height=250,menubar=no,status=no,locationbar=no,resizable=no,scrollbars=no");
showwwwwWin.moveTo(links3,oben3);
showwwwwWin.focus();
}

function showform(URL)
{
if(document.images)
showformWin = open(URL,"form","width=620,height=700,menubar=no,status=no,locationbar=no,resizable=yes,scrollbars=yes");
showformWin.moveTo(links2,100);
showformWin.focus();
}