// JavaScript Document

function switchImage(set, button, imgID, imgSrc, linkURL){
    var selectedImg = "images/buttons/boxnav1_btn_on.gif";
    var unselectedImg = "images/buttons/boxnav1_btn.gif";

    var selected = "selected" + set;
    var linkID = "link" + set;

    document.getElementById(selected).src = unselectedImg;
    document.getElementById(selected).id = 'unselected';
    if(document.getElementById(linkID)){
	    document.getElementById(linkID).href = '#';
    }
    document.getElementById(imgID).src = imgSrc;
    if(linkURL){
	    document.getElementById(linkID).href = linkURL;
    }
    button.src = selectedImg;
    button.id = selected;
}