var ie4=document.all
var ns6=document.getElementById
var tempobj=document.form_1.brand
if (ie4||ns6)
var contentobj=document.getElementById? document.getElementById("your_image"): document.all.your_image

function generateimage(granite,entry){
var the_image=granite[entry];

if (ie4||ns6){
contentobj.innerHTML='<center>Loading image...</center>'
contentobj.innerHTML='<center>' +the_image+ '</center>'
}
else if (document.layers){
document.your_image1.document.your_image2.document.write('<center>'+the_image+'</center>')
document.your_image1.document.your_image2.document.close()
}
else
alert('You need NS 4+ or IE 4+ to view the images!')
}
function generatedefault(){
generateimage(granite,tempobj.options[tempobj.options.selectedIndex].value)
}

if (ie4||ns6||document.layers){
if (tempobj.options.selectedIndex!=-1){
if (ns6)
generatedefault()
else
window.onload=generatedefault
}
}