function popwinStandard(url,winName) {

var features = 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=500,height=300,top=200,screenY=200,left=250,screenX=250'

open(url,winName,features).focus();
}

function popwinCustom(url,winName,features) {
open(url,winName,features).focus();
}

function popwinBig(url,winName) {

var features = 'toolbar=no,location=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=720,height=450,top=20,screenY=20,left=20,screenX=20'

open(url,winName,features).focus();
}

function updateParent(newURL) {
	window.close();
        opener.document.location = newURL
}