function Bid(lot) {
  var url="bid.php?lot="+lot;
  bid=window.open(url,'bid','width=400,height=500');
}
function PopRegister() {
  reg=window.open('register.php','reg','width=500,height=800,scrollbars=yes');
}
function PopHint() {
  reg=window.open('hint.php','reg','width=500,height=500');
}
function PopLostPass() {
  reg=window.open('lostpass.php','reg','width=500,height=500');
}
function PopOneLot(lnum) {
  lot=window.open('poplot.php?lotnum=','lot','width=400,height=500');
}