name = "mainwindow";

NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
W3C = (document.getElementById) ? 1 : 0;    

function decision(message)
{
    if (confirm(message))
        return true;
    else
        return false;
}

function showEnlarge(sku)
{
    zoomed_in = window.open("", "zoomed_in", "toolbar=0,resizable=1,width=600,height=400");
                
    with (zoomed_in.document) {
        write("<title>" + sku + "</title>");
        write("<table width=100% height=100%><td align=center valign=center>");
        write("<img src = \"" + sku + "\" border=\"0\">");
        write("</td></table>");
        close();
    }
}

function popup(theURL, winName, features)
{ 
        window.open(theURL, winName, features);
}

function get_element(name)
{
    var ele;
    
    if (W3C)
        ele = document.getElementById(name);
    else if (NS4)
        ele = document.layers[name];
    else
        ele = document.all[name];
    return ele;
}

function show_element(name)
{
    var ele;

    ele = get_element(name);
    ele.style.display = "block";
}

function hide_element(name)
{
    var ele;

    ele = get_element(name);
    ele.style.display = "none";
}