Set focus on control inside iFrame (jQuery)

//get the IFRAME element - note no hashes in the name, we're using browser functionality 
var iframeRef = document.getElementById("IFRAMEID"); 
//focus the IFRAME element 
$(iframeRef).focus(); 
//use JQuery to find the control in the IFRAME and set focus 
$(iframeRef).contents().find("#CONTROLID").focus();

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