<script language="javascript">
var browser, version;
browser = navigator.appName;
version = navigator.appVersion;
var ie4 = (browser.indexOf("Explorer") >= 0) 
&& (version.indexOf(4.0) >=0 );
function showit(prod){
mydiv[prod].display="block";
}
function hideit(prod){
mydiv[prod].display="none";
}
function product() {
prod1 = (ie4) ?document.all.gc1.style : document.gc1
prod2 = (ie4) ?document.all.gc2.style : document.gc2
mydiv = new Array()
mydiv[1] = prod1
mydiv[2] = prod2
}
</script>