CRM 2011 Set Owner in JavaScript

CRM 2011 Set Owner in JavaScript

JavaScript:

function OnLoadForm()
{
    setApprovalOwner()
}

function setApprovalOwner()
{
    var setUservalue = new Array();
    setUservalue[0] = new Object();
    setUservalue[0].id = Xrm.Page.context.getUserId();
    setUservalue[0].entityType = 'systemuser';
    //setUservalue[0].name = retrievedUser.FullName;
 
    Xrm.Page.getAttribute("new_approvalowner").setValue(setUservalue)
}

https://crmbusiness.wordpress.com/2012/03/21/crm-2011-setting-a-user-lookup-with-the-logged-in-user-with-javascript/