function pop_usd () {

	window.open('usd.php','','width=160,height=30,menubar=no,toolbar=no,scrollbars=no,resizable=no,status=no');
    return true;
}
function get_usd (id) {

	document.getElementById('usd_'+id).innerHTML = 'Please wait ...';
    var jsel = document.createElement('SCRIPT');
    jsel.type = 'text/javascript';
    jsel.src = 'get_usd.php?id='+id+'&t=<? echo time();?>';
    document.body.appendChild (jsel);
    return true;
}
function click(e){
	if (document.all){
		if (event.button == 2){
			alert ('Right click disabled.');
			return false;
		}
	}
	if (document.layers){
		if (e.which == 3){
			alert('Right click disabled.');
			return false;
		}
	}
}