function swapImage(imgName,newImg){
        if ((navigator.appName == 'Netscape' && parseFloat(navigator.appVersion) >= 3) || (parseFloat(navigator.appVersion) >= 4)){
                eval('document.' + imgName + '.src = "' + newImg + '"');}
}


function NewWindow(mypage, myname, w, h, scroll) {var winl = (screen.width - w) / 2;var wint = (screen.height - h) / 2;winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'win = window.open(mypage, myname, winprops)if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }}