// Global variables
xMousePos = 0; // Horizontal position of the mouse on the page
yMousePos = 0; // Vertical position of the mouse on the page
xElementMousePos = 0; // Horizontal position of the mouse on the element
yElementMousePos = 0; // Vertical position of the mouse on the element
xMousePosMax = 0; // Width of the page
yMousePosMax = 0; // Height of the page

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;
        xElementMousePos = e.layerX;
        yElementMousePos = e.layerY;
        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.clientX+document.body.scrollLeft;
        yMousePos = window.event.clientY+document.body.scrollTop;
        xElementMousePos = window.event.x;
        yElementMousePos = window.event.y;
        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;
        xElementMousePos = e.layerX;
        yElementMousePos = e.layerY;
        xMousePosMax = window.innerWidth+window.pageXOffset;
        yMousePosMax = window.innerHeight+window.pageYOffset;
    }
	//window.status = "xMousePos=" + xMousePos + ", yMousePos=" + yMousePos + ", xElementMousePos=" + xElementMousePos + ", yElementMousePos=" + yElementMousePos + ", xMousePosMax=" + xMousePosMax + ", yMousePosMax=" + yMousePosMax;
}