function popup(url)
{
var width  = 500;
var height = 175;
var left   = (screen.width  - width)/2;
var top    = (screen.height - height)/2;
var params = 'width='+width+', height='+height;
params += ', top='+top+', left='+left;
params += ', directories=no';
params += ', location=no';
params += ', menubar=no';
params += ', resizable=no';
params += ', scrollbars=no';
params += ', status=no';
params += ', toolbar=no';
newwin=window.open(url,'player', params);
if (window.focus) {newwin.focus()}
return false;
}