function enable_disable_preserve()
    {
        var inputs =   new Array('sort_sel', 'sort_de', 'optimise_shorthands', 'merge_selectors', 'none');
        var inputs_v = new Array( true,       true,      true,                  true,              false);
        for(var i = 0; i < inputs.length; i++)
        {
            if(document.getElementById('preserve_css').checked)  {
                document.getElementById(inputs[i]).disabled = inputs_v[i];
            } else {
                document.getElementById(inputs[i]).disabled = !inputs_v[i];
            }
        }
    }
function ClipBoard()
    {
        window.clipboardData.setData('Text',document.getElementById("copytext").innerText);
    }