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;
}
// Global variables
xMousePos = 0; // Horizontal position of the mouse on the screen
yMousePos = 0; // Vertical position of the mouse on the screen
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;
        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;
    }
}


function showdiv(evt) {
  var osx = xMousePos + 15;
  var osy = yMousePos + 5;
  var ediv = elem('tooltipediv');
  
  //ediv.style.display = '';
    
  ediv.style.top = osy + 'px';
  ediv.style.width = '150px';
  ediv.style.left = osx + 'px';
  ediv.style.backgroundColor = 'silver';
  ediv.style.border = '1px solid #4a4a4a';
}
function settextdiv(headert, texti) {
  var header = elem('toolheader');
  var subs = elem('tooltext');
  header.innerHTML = headert;
  subs.innerHTML = texti;
  header.style.padding = '5px';
  header.style.backgroundColor ='#1B1B1B';
}

function hidediv() {
  var ediv = elem('tooltipediv');	
  //ediv.style.display = 'none';
  ediv.style.top = 0 + 'px';
  ediv.style.left = 0 + 'px';
  ediv.style.backgroundColor = 'transparent';
  ediv.style.border = '0px';  

  var header = elem('toolheader');
  var subs = elem('tooltext');
  header.innerHTML = '';
  subs.innerHTML = '';
  header.style.padding = '0px';
  header.style.backgroundColor ='transparent';
}

function elem( id ) {
  return document.getElementById( id );
}