window.open post

function onSubmit(){
var myForm = document.popForm;
var url = "/test/popForm.do";
window.open("" ,"popForm",
"toolbar=no, width=540, height=467, directories=no, status=no, scrollorbars=no, resizable=no");
myForm.action =url;
myForm.method="post";
myForm.target="popForm";
myForm.testVal = 'test';
myForm.submit();
}


<form name="popForm">
<input type="hidden" name="cmd" value="openPop" />
<input type="hidden" name="testval" />
</form>

출처 : http://darkhorizon.tistory.com/284