imgs_on = new Array;
imgs_off = new Array;

imgs_on[1] = new Image; imgs_on[1].src = "images/h-who-over.png";
imgs_off[1] = new Image; imgs_off[1].src = "images/blank.gif";

imgs_on[2] = new Image; imgs_on[2].src = "images/h-brands-over.png";
imgs_off[2] = new Image; imgs_off[2].src = "images/blank.gif";

imgs_on[3] = new Image; imgs_on[3].src = "images/h-blog-over.png";
imgs_off[3] = new Image; imgs_off[3].src = "images/blank.gif";

imgs_on[4] = new Image; imgs_on[4].src = "images/h-contact-over.png";
imgs_off[4] = new Image; imgs_off[4].src = "images/blank.gif";

imgs_on[7] = new Image; imgs_on[7].src = "images/who-over.png";
imgs_off[7] = new Image; imgs_off[7].src = "images/blank.gif";

imgs_on[8] = new Image; imgs_on[8].src = "images/brands-over.png";
imgs_off[8] = new Image; imgs_off[8].src = "images/blank.gif";

imgs_on[9] = new Image; imgs_on[9].src = "images/blog-over.png";
imgs_off[9] = new Image; imgs_off[9].src = "images/blank.gif";

imgs_on[10] = new Image; imgs_on[10].src = "images/contact-over.png";
imgs_off[10] = new Image; imgs_off[10].src = "images/blank.gif";

imgs_on[11] = new Image; imgs_on[11].src = "images/mk-over.png";
imgs_off[11] = new Image; imgs_off[11].src = "images/blank.gif";

function on(imgName, imgNum) {
 document[imgName].src = imgs_on[imgNum].src;
}
function off(imgName, imgNum) {
 document[imgName].src = imgs_off[imgNum].src;
}