function load_xls( sid, rid ) {

	var now = new Date();
	var then = new Date();
	then.setDate(then.getDate()-30);

        var date_s = Prompt.show('Please enter the start date', then.format( 'yyyy-mm-dd') );
        var date_e = Prompt.show('Enter an optional end date',now.format('yyyy-mm-dd') );
        document.location.href = '/survey/index.php/admin/xls/'+sid+'/'+rid+'/'+date_s+'/'+date_e;
}

function multiball( sid, rlist ) {
        document.location.href = '/survey/index.php/admin/multiball/'+sid+'/'+rlist;
}