// editor for textarea
function editor(id) {
  var elem=document.forms["realt"].elements[id];  
  elem.focus();
  stag="";  
  etag="";
  //bold  
  if(val==1) {
    stag="<b>";  
    etag="</b>";  
  }
  //IE, Opera
  if(typeof(document.selection) != "undefined") {
    var sr=document.selection.createRange();
    var txt=sr.text;
    sr.text = stag + txt + etag;
    sr.select();
  }
  //Mozilla
  else if(typeof(elem.selectionStart) != "undefined") {
	var sl=elem.textLength;
	var ss= elem.selectionStart;
	var se= elem.selectionEnd;
    var s1=(elem.value).substring(0,ss);
	var s2=(elem.value).substring(ss,se)
	var s3=(elem.value).substring(se,sl);
	elem.value = s1 + stag + s2 + etag + s3;
    //cursor
	elem.selectionStart=se + stag.length + etag.length;
	elem.selectionEnd=se + stag.length + etag.length;
  }
  
  elem.focus();
}      

//menu
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;

  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}