var newwindow = '';
function popitup(url)
{
if (!newwindow.closed && newwindow.location)
{
newwindow.location.href = url;
}
else
{
newwindow=window.open(url,'name','width=700, height=590, toolbar=yes, resizable=yes, scrollbars=yes');
if (!newwindow.opener) newwindow.opener = self;
}
if (window.focus) {newwindow.focus()}
return false;
}