ns4 = document.layers; 
ie4 = document.all; 
nn6 = document.getElementById && !document.all;

function ShowObject(e, id) {
    if (ns4) {
        document[id].visibility = "show";
        document[id].left = e.pageX + document.body.scrollLeft; 
        document[id].top = e.pageY + document.body.scrollTop;
    } else if (nn6) {
        document.getElementById(id).style.visibility = "visible";
        document.getElementById(id).style.left = e.clientX + document.body.scrollLeft + "px";
        document.getElementById(id).style.top = e.clientY + document.body.scrollTop + "px";
    } else {
        document.all[id].style.visibility = "visible";
        document.all[id].style.left = e.clientX + document.body.scrollLeft + "px";
        document.all[id].style.top = e.clientY + document.body.scrollTop + "px";
    }
}

function CloseObject(id) {
    if (ns4) {
        document[id].visibility = "hide";
    } else if (nn6) {
        document.getElementById(id).style.visibility = "hidden";
    } else {
        document.all[id].style.visibility = "hidden";
    }    
}