if (document.images) {


img1on=new Image();
img1on.src="../images/toc/1on.gif";
img1off=new Image();
img1off.src="../images/toc/1off.gif";

img2on=new Image();
img2on.src="../images/toc/2on.gif";
img2off=new Image();
img2off.src="../images/toc/2off.gif";

img3on=new Image();
img3on.src="../images/toc/3on.gif";
img3off=new Image();
img3off.src="../images/toc/3off.gif";

img4on=new Image();
img4on.src="../images/toc/4on.gif";
img4off=new Image();
img4off.src="../images/toc/4off.gif";

img5on=new Image();
img5on.src="../images/toc/5on.gif";
img5off=new Image();
img5off.src="../images/toc/5off.gif";

img6on=new Image();
img6on.src="../images/toc/6on.gif";
img6off=new Image();
img6off.src="../images/toc/6off.gif";




img7on=new Image();
img7on.src="../images/int/1on.jpg";
img7off=new Image();
img7off.src="../images/int/1off.jpg";

img8on=new Image();
img8on.src="../images/int/2on.jpg";
img8off=new Image();
img8off.src="../images/int/2off.jpg";

img9on=new Image();
img9on.src="../images/int/3on.jpg";
img9off=new Image();
img9off.src="../images/int/3off.jpg";

img10on=new Image();
img10on.src="../images/int/4on.jpg";
img10off=new Image();
img10off.src="../images/int/4off.jpg";






}

// Function to 'activate' images.
function imgOn(imgName) {
if (document.images) {
document[imgName].src=eval(imgName + "on.src");
}
}

// Function to 'deactivate' images.
function imgOff(imgName) {
if (document.images) {
document[imgName].src=eval(imgName + "off.src");

}
}