{

if (document.images){

abouton=new Image ();
abouton.src="http://online.sfsu.edu/~drvijay/images/about-button2.jpg"

aboutoff=new Image ();
aboutoff.src="http://online.sfsu.edu/~drvijay/images/about-button.jpg";

}

function imgOn1 (imgName) {
        if (document.images) {
            document["about"].src=eval(imgName + "on.src");
        }
}

function imgOff1 (imgName) {
        if (document.images) {
            document["about"].src=eval(imgName + "off.src");
        }
}

}

{

if (document.images){

courseson=new Image ();
courseson.src="http://online.sfsu.edu/~drvijay/images/courses-button2.jpg"

coursesoff=new Image ();
coursesoff.src="http://online.sfsu.edu/~drvijay/images/courses-button.jpg";

}

function imgOn2 (imgName) {
        if (document.images) {
            document["courses"].src=eval(imgName + "on.src");
        }
}

function imgOff2 (imgName) {
        if (document.images) {
            document["courses"].src=eval(imgName + "off.src");
        }
}

}

{

if (document.images){

researchon=new Image ();
researchon.src="http://online.sfsu.edu/~drvijay/images/research-button2.jpg"

researchoff=new Image ();
researchoff.src="http://online.sfsu.edu/~drvijay/images/research-button.jpg";

}

function imgOn3 (imgName) {
        if (document.images) {
            document["research"].src=eval(imgName + "on.src");
        }
}

function imgOff3 (imgName) {
        if (document.images) {
            document["research"].src=eval(imgName + "off.src");
        }
}

}

{

if (document.images){

columnson=new Image ();
columnson.src="http://online.sfsu.edu/~drvijay/images/colums-button2.jpg"

columnsoff=new Image ();
columnsoff.src="http://online.sfsu.edu/~drvijay/images/colums-button.jpg";

}

function imgOn4 (imgName) {
        if (document.images) {
            document["columns"].src=eval(imgName + "on.src");
        }
}

function imgOff4 (imgName) {
        if (document.images) {
            document["columns"].src=eval(imgName + "off.src");
        }
}

}

{

if (document.images){

personalon=new Image ();
personalon.src="http://online.sfsu.edu/~drvijay/images/personal-button2.jpg"

personaloff=new Image ();
personaloff.src="http://online.sfsu.edu/~drvijay/images/personal-button.jpg";

}

function imgOn5 (imgName) {
        if (document.images) {
            document["personal"].src=eval(imgName + "on.src");
        }
}

function imgOff5 (imgName) {
        if (document.images) {
            document["personal"].src=eval(imgName + "off.src");
        }
}

}

{

if (document.images){

holidayletterson=new Image ();
holidayletterson.src="http://online.sfsu.edu/~drvijay/images/holidayletters-button2.jpg"

holidaylettersoff=new Image ();
holidaylettersoff.src="http://online.sfsu.edu/~drvijay/images/holidayletters-button.jpg";

}

function imgOn6 (imgName) {
        if (document.images) {
            document["holidayletters"].src=eval(imgName + "on.src");
        }
}

function imgOff6 (imgName) {
        if (document.images) {
            document["holidayletters"].src=eval(imgName + "off.src");
        }
}

}

{

if (document.images){

favoriteson=new Image ();
favoriteson.src="http://online.sfsu.edu/~drvijay/images/favorites-button2.jpg"

favoritesoff=new Image ();
favoritesoff.src="http://online.sfsu.edu/~drvijay/images/favorites-button.jpg";

}

function imgOn7 (imgName) {
        if (document.images) {
            document["favorites"].src=eval(imgName + "on.src");
        }
}

function imgOff7 (imgName) {
        if (document.images) {
            document["favorites"].src=eval(imgName + "off.src");
        }
}

}