function displaySupportTab($colour) {
    prot = ("https:" == document.location.protocol) ? 'https:' : 'http';
    document.write("<style type=\"text/css\">a#support_tab {background-color:" + $colour + ";border-color:" + $colour + ";}</style>" + 
                     '<a href="#" id="support_tab" onclick="return goToSupport();">Support</a>');      
    var arVersion = navigator.appVersion.split("MSIE");
    var version = parseFloat(arVersion[1]);
    tab_src = "//www.thesmartthing.co.uk/support/jstab/tab_support.png";
    if ((version >= 5.5) && (version < 7) && (document.body.filters)) {
        document.getElementById('support_tab').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + tab_src + "', sizingMethod='crop')";
    } else {
        document.getElementById('support_tab').style.backgroundImage = 'url(' + tab_src + ')';
    }
}
function goToSupport() {
    window.location = 'http://www.thesmartthing.co.uk/support/open.php';
    return false;
}
if (typeof($colour) == 'undefined') $colour = '#FEAF40';
displaySupportTab($colour);

/*
To install add:
<style type='text/css'>@import url('//www.thesmartthing.co.uk/support/jstab/support.css');</style>
<script type='text/javascript' src='//www.thesmartthing.co.uk/support/jstab/support.js'></script>
*/