// JScript File

function clear_checkboxes (myID){
    var frm = document.forms[0];
    for (i=0; i<frm.length; i++){
        if (frm.elements[i].id != myID){
            if (frm.elements[i].id.indexOf ('cb') != -1){
			    frm.elements[i].checked = false;
		    }
        }				
    }
}

function swap_image(myImage, myUrl){
    var img = document.getElementById('img_main');
    var link = document.getElementById('link_main');
    img.src = myImage;
    link.href = myUrl;
}