function btnDoHigh( td )
{
    td.style.background = "url(../img/CatalogBorder_Highlighted.png) no-repeat";
}

function btnDoLow( td )
{
    td.style.background = "url(../img/CatalogBorder.png) no-repeat";
}

function btnDoHighA( td )
{
    td.tmp = td.style.color;
    td.style.color = "ffffff";
}

function btnDoLowA( td )
{
    td.style.color = td.tmp;
}