luos/workflow/engine/xmlform/cases/cases_ReassignBy.xml

<?xml version="1.0" encoding="UTF-8"?>
<dynaForm type="xmlform" name="cases_ReassignBy.xml" width="600" enabletemplate="1" mode="edit">
  <title type="subtitle" enableHTML="1">
    <en><![CDATA[<center>Reassignment of Cases</center>]]></en>
  </title>
  <REASSIGN_BY type="radiogroup" required="0" defaultvalue="1" mode="edit">
    <en><![CDATA[Reassign By]]><option name="1"><![CDATA[Case]]></option><option name="2"><![CDATA[User]]></option></en>
  </REASSIGN_BY>
  <REASSIGN_USER type="dropdown" required="0" readonly="0" mode="edit" sqlconnection="dbarray"><![CDATA[
SELECT * FROM aUserInfo
  ]]><en><![CDATA[]]><option name=""><![CDATA[- Select -]]></option></en></REASSIGN_USER>
  <JS type="javascript"><![CDATA[

var bFlag = false;
var client = getBrowserClient();

var dynaformOnload = function() {
    if (!bFlag) {
        if( client.browser == 'msie'){
            document.getElementById('form[REASSIGN_BY][1]').onclick= function() {
                if (this.checked) {
                    if (window.location.href.indexOf('cases_List?l=to_reassign') == -1) {
                        window.location = 'cases_List?l=to_reassign';
                    }
                }
            };
            document.getElementById('form[REASSIGN_BY][2]').onclick= function() {
                if (document.getElementById('form[REASSIGN_BY][2]').checked) {
                    if (window.location.href.indexOf('cases_ReassignByUser') == -1) {
                        window.location = 'cases_ReassignByUser';
                    }
                }
            };
            leimnud.event.add(getField('REASSIGN_USER'), 'change', function() {
                window.location = 'cases_ReassignByUser?REASSIGN_USER=' + getField('REASSIGN_USER').value;
            });
        } else { //for other firefox, safari, etc..
            leimnud.event.add(getField('REASSIGN_BY][1'), 'click', function() {
               if (this.checked) {
                    if (window.location.href.indexOf('cases_List?l=to_reassign') == -1) {
                        window.location = 'cases_List?l=to_reassign';
                    }
                }
            });
            leimnud.event.add(getField('REASSIGN_BY][2'), 'click', function() {
                if (this.checked) {
                    if (window.location.href.indexOf('cases_ReassignByUser') == -1) {
                        window.location = 'cases_ReassignByUser';
                    }
                }
            });
            leimnud.event.add(getField('REASSIGN_USER'), 'change', function() {
                window.location = 'cases_ReassignByUser?REASSIGN_USER=' + this.value;
            });
        }
        bFlag = true;
    }
};

if (getField('REASSIGN_BY][2').checked){
    //showRowById('REASSIGN_USER');
    document.getElementById('form[REASSIGN_USER]').style.display = 'block';
} else {
    //hideRowById('REASSIGN_USER');
    document.getElementById('form[REASSIGN_USER]').style.display = 'none';
}

]]></JS>
</dynaForm>