var ie4=document.all
var ns6=document.getElementById

if (ie4||ns6)
    var contentobj=document.getElementById? document.getElementById("dynamic3"): document.all.dynamic3

function generateimage(image){
    if (ie4||ns6){
        contentobj.innerHTML='<center>Loading image...</center>'
        contentobj.innerHTML='<center><img src="'+image+'"></center>'
    } else if (document.layers) {
        document.dynamic1.document.dynamic2.document.write('<center><img src="'+image+'"></center>')
        document.dynamic1.document.dynamic2.document.close()
    } else
        alert('You need NS 4+ or IE 4+ to view the images!')
}

function generatedefault(){
    generateimage("images/mb-none.gif")
}

if (ie4||ns6||document.layers)
    if (ns6)
        generatedefault()
    else
            window.onload=generatedefault