function checkS(e){
    // capture the mouse position
    var posx = 0;
    var posy = 0;
    if (!e) var e = window.event;
    if (e.pageX || e.pageY)
	{
	    posx = e.pageX;
	    posy = e.pageY;
	}
    else if (e.clientX || e.clientY)
	{
	    posx = e.clientX;
	    posy = e.clientY;
	}
    document.getElementById('stati').innerHTML = 'Mouse position is: X='+posx+' Y='+posy;

    document.getElementById('stati').style.left = posx;
    document.getElementById('stati').style.top = posy;
}

// -------------------------------------

function toggleSLK(obj) {
    var elstyle = document.getElementById(obj).style;
    var text    = document.getElementById(obj + "-tog");
    if (elstyle.display == 'none') {
        elstyle.display = 'block';
	text.innerHTML = "Hide color keys «";
    } else {
        elstyle.display = 'none';
        text.innerHTML = "Show color keys »";
    }
}