function newsletterpopup(){
    popwindow=window.open("","newsletter190","width=800,height=600,dependent=yes, scrollbars=no, menubar=no, resizable=no,left=100;top=100;"); popwindow.focus();
} 

function commentpopup(){
    popwindow=window.open("","_top","width=800,height=600,dependent=yes, scrollbars=no, menubar=no, resizable=no,left=100;top=100;"); popwindow.focus();
}