function Swap1Image(imgName1,newImg1)
{
    if ((navigator.appName == 'Netscape' && parseFloat(navigator.appVersion) >= 3) || (parseFloat(navigator.appVersion) >= 4))
    {
        eval('document.' + imgName1 + '.src = "' + newImg1 + '"');
    }
}
function Swap2Images(imgName1,newImg1,imgName2,newImg2)
{
    if ((navigator.appName == 'Netscape' && parseFloat(navigator.appVersion) >= 3) || (parseFloat(navigator.appVersion) >= 4))
    {
        eval('document.' + imgName1 + '.src = "' + newImg1 + '"');
        eval('document.' + imgName2 + '.src = "' + newImg2 + '"');
    }
}
function Swap3Images(imgName1,newImg1,imgName2,newImg2,imgName3,newImg3)
{
    if ((navigator.appName == 'Netscape' && parseFloat(navigator.appVersion) >= 3) || (parseFloat(navigator.appVersion) >= 4))
    {
        eval('document.' + imgName1 + '.src = "' + newImg1 + '"');
        eval('document.' + imgName2 + '.src = "' + newImg2 + '"');
        eval('document.' + imgName3 + '.src = "' + newImg3 + '"');
    }
}
function Swap4Images(imgName1,newImg1,imgName2,newImg2,imgName3,newImg3,imgName4,newImg4)
{
    if ((navigator.appName == 'Netscape' && parseFloat(navigator.appVersion) >= 3) || (parseFloat(navigator.appVersion) >= 4))
    {
        eval('document.' + imgName1 + '.src = "' + newImg1 + '"');
        eval('document.' + imgName2 + '.src = "' + newImg2 + '"');
        eval('document.' + imgName3 + '.src = "' + newImg3 + '"');
        eval('document.' + imgName4 + '.src = "' + newImg4 + '"');
    }
}