function trim(str) {    
    return str.replace(/^\s+/|s+$/g, '') ;
}

function goToTop() {    
    window.scrollTo(0,0);
}

function goToBookmark(name) {    
    location.hash = name;
}

function openWindow(url)
{
    window.open (url, "mywindow"); 
}

function toggleDisplay(id) {
    var input = document.getElementById(id);
    if(input.style.display != 'block')
        input.style.display='block';
    else
        input.style.display='none';
}

var TimeOut = 100;

var currentLayer = null;

var currentitem = null;

var currentLayerNum = 0;

var noClose = 0;

var closeTimer = null;


function mopen(n) {

    var l = document.getElementById("menu" + n);

    var mm = document.getElementById("mmenu" + n);



    if (l) {

        mcancelclosetime();

        l.style.display = 'block';

        if (currentLayer && (currentLayerNum != n))

            currentLayer.style.display = 'none';

        currentLayer = l;

        currentitem = mm;

        currentLayerNum = n;

    } else if (currentLayer) {

        currentLayer.style.display = 'none';

        currentLayerNum = 0;

        currentitem = null;

        currentLayer = null;

    }

}



function mclosetime() {

    closeTimer = window.setTimeout(mclose, TimeOut);

}



function mcancelclosetime() {

    if (closeTimer) {

        window.clearTimeout(closeTimer);

        closeTimer = null;

    }

}



function mclose() {

    if (currentLayer && noClose != 1) {

        currentLayer.style.display = 'none';

        currentLayerNum = 0;

        currentLayer = null;

        currentitem = null;

    }

    else {

        noClose = 0;

    }

    currentLayer = null;

    currentitem = null;



    //  }

}



document.onclick = mclose;