<!-- if (document.images) { -->
        var bubblefactory = new Image();
        bubblefactory.src = "http://www.media.org/images/bubbles/home1.gif";
        var bubblerescue = new Image();
        bubblerescue.src = "http://www.media.org/images/bubbles/home2.gif";
        var bubblejam = new Image();
        bubblejam.src = "http://www.media.org/images/bubbles/home3.gif";   
        var bubblemuseum = new Image();
        bubblemuseum.src = "http://www.media.org/images/bubbles/home4.gif";   
        var bubblevoice = new Image();
        bubblevoice.src = "http://www.media.org/images/bubbles/home5.gif";   
        var bubblehome = new Image();
        bubblehome.src = "http://www.media.org/images/bubbles/home0.gif";                           
        var bubblespeak = new Image();
        bubblespeak.src = "http://www.media.org/images/bubbles/speak_on.gif";    
        var bubblespeakoff = new Image();
        bubblespeakoff.src = "http://www.media.org/images/bubbles/speak_off.gif";                                   
        var bubbleoff = new Image();
        bubbleoff.src = "http://www.media.org/images/trans.gif";   

<!-- } -->


function bubblefactoryon(imgName) { 
        if (document.images) { 
        document.bubble.src = eval("bubblefactory.src"); 
        } 
} 

function bubblerescueon(imgName) { 
        if (document.images) { 
        document.bubble.src = eval("bubblerescue.src"); 
        } 
} 

function bubblejamon(imgName) { 
        if (document.images) { 
        document.bubble.src = eval("bubblejam.src"); 
        } 
} 

function bubblemuseumon(imgName) { 
        if (document.images) { 
        document.bubble.src = eval("bubblemuseum.src"); 
        } 
} 

function bubblevoiceon(imgName) { 
        if (document.images) { 
        document.bubble.src = eval("bubblevoice.src"); 
        } 
} 

function bubblehomeon(imgName) { 
        if (document.images) { 
        document.bubble.src = eval("bubblehome.src"); 
        } 
} 

function bubblespeakon(imgName) { 
        if (document.images) { 
        document.speak.src = eval("bubblespeak.src"); 
        } 
} 

function speakoff(imgName) { 
        if (document.images) { 
        document.speak.src = eval("bubblespeakoff.src"); 
        } 
} 

function killbubble(imgName) { 
        if (document.images) { 
        document.bubble.src = eval("bubbleoff.src"); 
        }
}