<!--
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false
var isNetscape = navigator.appName=="Netscape";

function showGraph(gr, w, h){
	document.getElementById('graphFrame').src = "loading.html";

	var yPos = 0;
	if ((yMousePos + h) > yMousePosMax)
		yPos = ((yMousePosMax - h - 15) < 10? 10: (yMousePosMax - h - 15));
	else 
		yPos = yMousePos;
	
	document.getElementById('graphLayer').style.top = yPos;
	document.getElementById('graphLayer').style.left = (xMousePosMax / 2 - w / 2);
	document.getElementById('graphLayer').style.display = "inline";
	document.getElementById('graphFrame').width = w;
	document.getElementById('graphFrame').height = h;
	document.getElementById('graphFrame').src = gr;
}

// Set Netscape up to run the "captureMousePosition" function whenever
// the mouse is moved. For Internet Explorer and Netscape 6, you can capture
// the movement a little easier.
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
var xMousePos = 0; // Horizontal position of the mouse on the screen
var yMousePos = 0; // Vertical position of the mouse on the screen
var xMousePosMax = 0; // Width of the page
var 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;
    }
}

//If you want to see this really work, then at the very bottom of the "captureMousePosition" function, put in a call to put the current values in the status bar. So, the line would read something like:
//window.status = "xMousePos=" + xMousePos + ", yMousePos=" + yMousePos + ", xMousePosMax=" + xMousePosMax + ", yMousePosMax=" + yMousePosMax;
//-->