function win1() {
 window.open("../../sig.html","","width=610,height=180,left=80,top=80");
}

function win2() {
 window.open("Agreement.html","","toolbar=no,menubar=no,location=no,scrollbars=yes,height=440,width=800,left=80,top=80,resize=yes");
}
function win4() {
 window.open("http://checkip.dyndns.com","","toolbar=no,menubar=no,location=no,scrollbars=yes,height=20,width=160,left=80,top=80,resize=yes");
}
function win3() {
 window.open("http://vonfio.de","","toolbar=no,menubar=no,location=no,scrollbars=yes,height=440,width=500,left=80,top=80,resize=yes");
}