function inpopup(){
	
	W =800;
	H =700;
	
	    if((!win_closed(window.Sw))){
			Sw.window.close();
			Sw = window.open("questionnaire/index.php","sub_window","width="+W+",height="+H+",status=no,menubar=no,resizable=yes");	
			Sw.window.focus();

		}else{
			Sw = window.open("questionnaire/index.php","sub_window","width="+W+",height="+H+",status=no,menubar=no,resizable=yes");	

		}

}

function win_closed(winVar) {
 
      var ua = navigator.userAgent
      if( !!winVar )
          if( ( ua.indexOf('Gecko')!=-1 || ua.indexOf('MSIE 4')!=-1 )
               && ua.indexOf('Win')!=-1 ) 
               return winVar.closed
          else return typeof winVar.document  != 'object'
      else return true
    }