var ucs_chartsrc = '/cgi-bin/ucs_chart.pl';
var ucs_uid = 'u0044';			// User ID
var ucs_chartsize = '500';
var ucs_chartbackgr = 'transparent';
var ucs_data = '/Chart/example5.data';	// Data source file
//-----------
function chartoutput (sid) {
	document.writeln('<img name=chart src=' + newchartsrc(sid) + ' width='+ ucs_chartsize +' height='+ ucs_chartsize);
}
//-----------
function newchartsrc (sid) {
	return ucs_chartsrc + '?uid=' + ucs_uid + '&sid=' + sid + '&size=' + ucs_chartsize + '&backgr=' + ucs_chartbackgr + '&rnd=1&data=' + ucs_data;
}
//-----------
function setnewchartsrc () {
	var cs = document.form1.charts;
	var ndx = cs.selectedIndex; 
	var sid = cs.options[ndx].value;
	document.images.chart.src=newchartsrc(sid);
}