function OpenWindowSeminar()
{
 str = '/seminar/';
 strFeatures   = "toolbar=no,menubar=no,location=no,directories=no,resizable=yes,scrollbars=yes,width=500,height=530";
 strFeatures += ",left="+(screen.width-500)/2;
 strFeatures += ",top=2"; 
 objNewWindow = window.open(str, "MyNewWindow", strFeatures);  
 objNewWindow.focus();
}