function printpr()
{
    try {
        var OLECMDID = 7;
        /* OLECMDID values:
        * 6 - print
        * 7 - print preview
        * 1 - open window
        * 4 - Save As
        */

        var PROMPT = 1; // 2 DONTPROMPTUSER
        var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
        document.body.insertAdjacentHTML('beforeEnd', WebBrowser);

        WebBrowser1.ExecWB(OLECMDID, PROMPT);
        WebBrowser1.outerHTML = "";
    }
    catch (e) {
        window.print();
    }
}

function layeron(slayer, dispBlock) {
    if (slayer) {
        if (document.layers) {
            slayer.visibility = "visible";
        } else {
            slayer.style.visibility = "visible";
            if (dispBlock) {
                slayer.style.display = "block";
            } else {
                slayer.style.display = "inline";
            }
        }
    }
}

function layeroff(slayer) {
    if (slayer) {
        if (document.layers) {
            slayer.visibility = "hide"
        } else {
            slayer.style.visibility = "hidden";
            slayer.style.display = "none"
        }
    }
}