var ImgLength = NewImg.length - 1; 
var ImgNum = 0; 
var delay = 2000; 
var lock = false; 
var run; 

var browserName = navigator.appName; 
var browserVer  = parseInt(navigator.appVersion); 

var ns3up = (browserName == "Netscape" && browserVer >= 3); 
var ie4up = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4); 

function doPic(imgName) { 
  if (ns3up || ie4up) { 
    imgOn = ("" + imgName); 
    document.mainpic.src = imgOn; 
  } 
}

function WinOpen1(amount) {
  venster = window.open("currency_converter.php?AMOUNT=<?=$auctionDetails['bidstart'];?>","popDialog","height=220,width=650,toolbar=no,resizable=yes,scrollbars=yes,left=10,top=10")
}

function WinOpen2(amount) {
  venster = window.open("currency_converter.php?AMOUNT=<?=$auctionDetails['bnvalue'];?>","popDialog","height=220,width=650,toolbar=no,resizable=yes,scrollbars=yes,left=10,top=10")
}

function WinOpen3() {
  venster = window.open("currency_converter.php?AMOUNT=<?=$auctionDetails['minbidcurr'];?>","popDialog","height=220,width=650,toolbar=no,resizable=yes,scrollbars=yes,left=10,top=10")
}

function WinOpen4() {
  venster = window.open("currency_converter.php","popDialog","height=220,width=650,toolbar=no,resizable=yes,scrollbars=yes,left=10,top=10")
}

function popUp(URL) {
  day = new Date();
  id = day.getTime();
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=2,location=0,statusbar=1,menubar=0,resizable=0,width=650,height=525,left = 100,top = 134');");
}

function chgImg(direction) { 
  if (document.images) { 
    ImgNum = ImgNum + direction; 
    if (ImgNum > ImgLength) { 
      ImgNum = 0; 
    } 
    if (ImgNum < 0) { 
      ImgNum = ImgLength; 
    } 
    document.slideshow.src = NewImg[ImgNum]; 
  } 
} 

function auto() { 
  if (lock == true) { 
    lock = false; 
    window.clearInterval(run); 
  } 
  else if (lock == false) { 
    lock = true; 
    run = setInterval("chgImg(1)", delay); 
  } 
}