var autopause=4000
	AutoKnow4var = "know3"    
	AutoKnow3var = "know4"    

	function AutoRotate2(AutoCurrentVar)  {          
		if (AutoCurrentVar == "3")
			AutoCurrentVar = 1;
		switch (AutoCurrentVar) 
		{
		case 1 :
			changeObjectVisibility(AutoKnow4var, "visible");	
			changeObjectVisibility(AutoKnow3var, "hidden");
			break;
		case 2 :
			changeObjectVisibility(AutoKnow4var, "hidden");	
			changeObjectVisibility(AutoKnow3var, "visible");
			break;
		}
		AutoNewCurrentVar = AutoCurrentVar + 1;
		window.setTimeout('AutoRotate2(AutoNewCurrentVar)',autopause); 
	}
	
// Copyright 2000 by Apple Computer, Inc., All Rights Reserved.
//
// You may incorporate this Apple sample code into your own code
// without restriction. This Apple sample code has been provided "AS IS"
// and the responsibility for its operation is yours. You may redistribute
// this code, but you are not permitted to redistribute it as
// "Apple sample code" after having made changes.
//
// ************************
// layer utility routines *
// ************************

function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
// W3C DOM
return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
// MSIE 4 DOM
return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
// NN 4 DOM.. note: this won't find nested layers
return document.layers[objectId];
    } else {
return false;
    }
} // getStyleObject

function changeObjectVisibility(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
styleObject.visibility = newVisibility;
return true;
    } else {
// we couldn't find the object, so we can't change its visibility
return false;
    }
} // changeObjectVisibility

function moveObject(objectId, newXCoordinate, newYCoordinate) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
styleObject.left = newXCoordinate;
styleObject.top = newYCoordinate;
return true;
    } else {
// we couldn't find the object, so we can't very well move it
return false;
    }
} // moveObject