<!--

var ns4 = (document.layers)? true:false;
var ie4 = (document.all)? true:false;
var ns6 = (!document.all && document.getElementById)? true:false;
var xMax = 0;
var yMax = 0;
var xMin = 0;
var xPos = 0;
var yPos = 0;
var click = -1;
var topY = false;
var xMousePos = 0;
var yMousePos = 0;
var xMousePosMax = 0;
var yMousePosMax = 0;

if (document.layers) { // Netscape
    document.captureEvents(Event.MOUSEMOVE);
    document.onmousemove = captureMousePosition;
} else if (document.all) { // Internet Explorer
    document.onmousemove = captureMousePosition;
} else if (document.getElementById) { // Netcsape 6
    document.onmousemove = captureMousePosition;
}

function showMenu(id) {
	if (ns4) { document.layers[id].visibility = "show"; }
	else if (ie4) { document.all[id].style.visibility = "visible"; }
	else if (ns6) { document.getElementById(id).style.visibility = "visible"; }
}

function hideMenu(id) {
	if (ns4) { document.layers[id].visibility = "hide"; }
	else if (ie4) { document.all[id].style.visibility = "hidden"; }
	else if (ns6) { document.getElementById(id).style.visibility = "hidden"; }
}

function captureMousePosition(e) {
    if (document.layers) {
        // When the page scrolls in Netscape, the event's mouse position
        // reflects the absolute position on the screen. innerHight/Width
        // is the position from the top/left of the screen that the user is
        // looking at. pageX/YOffset is the amount that the user has
        // scrolled into the page. So the values will be in relation to
        // each other as the total offsets into the page, no matter if
        // the user has scrolled or not.
        xMousePos = e.pageX;
        yMousePos = e.pageY;
        xMousePosMax = window.innerWidth+window.pageXOffset;
        yMousePosMax = window.innerHeight+window.pageYOffset;
    } else if (document.all) {
        // When the page scrolls in IE, the event's mouse position
        // reflects the position from the top/left of the screen the
        // user is looking at. scrollLeft/Top is the amount the user
        // has scrolled into the page. clientWidth/Height is the height/
        // width of the current page the user is looking at. So, to be
        // consistent with Netscape (above), add the scroll offsets to
        // both so we end up with an absolute value on the page, no
        // matter if the user has scrolled or not.
        xMousePos = window.event.x+document.body.scrollLeft;
        yMousePos = window.event.y+document.body.scrollTop;
        xMousePosMax = document.body.clientWidth+document.body.scrollLeft;
        yMousePosMax = document.body.clientHeight+document.body.scrollTop;
    } else if (document.getElementById) {
        // Netscape 6 behaves the same as Netscape 4 in this regard
        xMousePos = e.pageX;
        yMousePos = e.pageY;
        xMousePosMax = window.innerWidth+window.pageXOffset;
        yMousePosMax = window.innerHeight+window.pageYOffset;
    }
}	 	
 	
//-->