function getQuerystring(key, default_) {
    if (default_ == null) default_ = "";
    key = key.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regex = new RegExp("[\\?&]" + key + "=([^&#]*)");
    var qs = regex.exec(window.location.href);
    if (qs == null)
        return default_;
    else
        return qs[1];
}

function sticky() {
    var link_id = getQuerystring('id');
    var link_sid = getQuerystring('sid');
    var link_top = 'TopNav' + getQuerystring('top');
    var link_adv = getQuerystring('adv');
    var link_design = getQuerystring('design');
    
    try {document.getElementById(link_id).style.backgroundImage = "url(../images/rollover.png)";} catch (err) { }
    try { document.getElementById(link_id).style.color = "#000000"; } catch (err) { }

    try {document.getElementById(link_sid).style.backgroundImage = "url(../images/arrow3.gif)"; } catch (err) { }
    try { document.getElementById(link_sid).style.color = "#000000"; } catch (err) { }

    try {
        document.getElementById(link_top).style.backgroundImage = "url(../images/overslice.jpg)"; 
        document.getElementById(link_top).style.display="block";
        document.getElementById(link_top).style.backgroundRepeat="repeat-x";

    } catch (err) { }

    try { document.getElementById(link_adv).style.backgroundImage = "url(../images/rollover_lg.png)"; } catch (err) { }
    try { document.getElementById(link_adv).style.color = "#000000"; } catch (err) { }

    try { document.getElementById(link_design).style.backgroundImage = "url(../images/rollover_medium.png)"; } catch (err) { }
    try { document.getElementById(link_design).style.color = "#000000"; } catch (err) { }
}


function stickyondemand(link_sid) {
    try { document.getElementById(link_sid).style.backgroundImage = "url(../images/arrow3.gif)"; } catch (err) { }
    try { document.getElementById(link_sid).style.color = "#000000"; } catch (err) { }
}