var newWin = null;
	function popUp(strURL, strType, strHeight, strWidth) {
	 if (newWin != null && !newWin.closed)
	   newWin.close();
	 var strOptions="";
	 if (strType=="console")
	   strOptions="resizable,height="+
	     strHeight+",width="+strWidth;
	 if (strType=="fixed")
	   strOptions="status,height="+
	     strHeight+",width="+strWidth;
	 if (strType=="elastic")
	   strOptions="toolbar,menubar,scrollbars,"+
	     "resizable,location,height="+
	     strHeight+",width="+strWidth;
	 if (strType=="stave")
	   strOptions="resizable,height="+
	     strHeight+",width="+strWidth;
	 newWin = window.open(strURL, 'newWin', strOptions);
	 newWin.focus();
	}
	
var staveWin = null;
	function largeStave(strURL, strType, strHeight, strWidth) {
	 if (staveWin != null && !staveWin.closed)
	   staveWin.close();
	 var strOptions="";
	 if (strType=="stave")
	   strOptions="resizable,height="+
	     strHeight+",width="+strWidth;
	 staveWin = window.open(strURL, 'staveWin', strOptions);
	 staveWin.focus();
	}
	
var glossWin = null;
	function glossPopup(strURL, strType, strHeight, strWidth) {
	 if (glossWin != null && !glossWin.closed)
	   glossWin.close();
	 var strOptions="";
	 if (strType=="elastic")
	   strOptions="scrollbars,"+
	     "resizable,height="+
	     strHeight+",width="+strWidth;
	 glossWin = window.open(strURL, 'glossWin', strOptions);
	 glossWin.focus();
	}
	
	var tvTranscriptWin = null;
	function tvTranscriptPopup(strURL, strType, strHeight, strWidth) {
	 if (tvTranscriptWin != null && !tvTranscriptWin.closed)
	   tvTranscriptWin.close();
	 var strOptions="";
	 if (strType=="elastic")
	   strOptions="scrollbars,"+
	     "resizable,height="+
	     strHeight+",width="+strWidth;
	 tvTranscriptWin = window.open(strURL, 'tvTranscriptWin', strOptions);
	tvTranscriptWin.focus();
	}
	
	var tvWin = null;
	function tvPopup(strURL, strType, strHeight, strWidth) {
	 if (tvWin != null && !tvWin.closed)
	   tvWin.close();
	 var strOptions="";
	 if (strType=="elastic")
	   strOptions="resizable,height="+
	     strHeight+",width="+strWidth;
	 tvWin = window.open(strURL, 'tvWin', strOptions);
	 tvWin.focus();
	}