HaloScan Commenting and Trackback

<script language="javascript1.2" type="text/javascript">
// Startup variables
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie  = ((clientPC.indexOf("msie") != -1)       && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1)      && (clientPC.indexOf('spoofer')==-1)
          && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
          && (clientPC.indexOf('webtv')==-1)        && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;

var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

function addlink()
{
 var txtarea = document.addComment.addMessage;

 txtarea.focus();

 if ((clientVer >= 4) && is_ie && is_win)
 {
  theSelection = document.selection.createRange().text; // Get text selection
  if (theSelection)
  {
   // Add tags around selection
   var linkurl = prompt('Enter the complete link for the webpage', 'http://');
   if(linkurl == null) return;
   document.selection.createRange().text = '<a href="' + linkurl + '">' + theSelection + '</a>';
   txtarea.focus();
   theSelection = '';
   return;
  }
 }
 else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
 {
  var linkurl = prompt('Enter the complete link for the webpage', 'http://');
  if(linkurl == null) return;
  start_tag = '<a href="' + linkurl + '">';
  end_tag   = '</a>';
  mozWrap(txtarea, start_tag, end_tag);
  return;
 }
  var linkurl   = prompt('Enter the complete link for the webpage', 'http://');
 if(linkurl == null) return;
 var linktitle = prompt('Enter the title of the webpage', '');
 if(linktitle == null) return;
 txtarea.value += '<a href="' + linkurl + '">' + linktitle + '</a>';
 txtarea.focus();
 return;
}

function addtag(input_tag)
{
 var txtarea = document.addComment.addMessage;

 txtarea.focus();
 theSelection = false;
 start_tag = '<' + input_tag + '>';
 end_tag   = '</' + input_tag + '>';

 if ((clientVer >= 4) && is_ie && is_win)
 {
  theSelection = document.selection.createRange().text; // Get text selection
  if (theSelection)
  {
   // Add tags around selection
   document.selection.createRange().text = start_tag + theSelection + end_tag;
   txtarea.focus();
   theSelection = '';
   return;
  }
 }
 else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
 {
  mozWrap(txtarea, start_tag, end_tag);
  return;
 }
 txtarea.value += start_tag + end_tag;
 txtarea.focus();
 return;
}

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close)
{
 var selLength = txtarea.textLength;
 var selStart = txtarea.selectionStart;
 var selEnd = txtarea.selectionEnd;
 if (selEnd == 1 || selEnd == 2) selEnd = selLength;
 var s1 = (txtarea.value).substring(0,selStart);
 var s2 = (txtarea.value).substring(selStart, selEnd)
 var s3 = (txtarea.value).substring(selEnd, selLength);
 txtarea.value = s1 + open + s2 + close + s3;
 return;
}
</script>

<a href="javascript:addtag('b')" title="<b>" target="_self"><b>Bold</b></a>
<a href="javascript:addtag('i')" title="<i>" target="_self"><i>Italic</i></a>
<a href="javascript:addtag('blockquote')" title="<blockquote>" target="_self">"Quote"</a>
<a href="javascript:addlink()" title="<a>" target="_self">Link</a>
<br />