var notopen=true
var features = ',menubar=no,toolbar=no,location=no,directories=no,status=no,resizable=no,dependent=yes';


function cwOpen(url,options)
{
if(notopen || (!notopen && cwOpened.closed))
{
cwOpened = window.open(url,'cwOpened',options,features)
notopen=false
}
else
{
cwOpened.close();
cwOpened = window.open(url,'cwOpened',options,features)
notopen=false
}
}