//Function for adding smilies

function smilie (smilie) {
        var post = document.editform.post;
        post.value += smilie;
        post.focus();
        return;
}

//main  bbcode
function getSelection(ta)
  { var bits = [ta.value,'','','']; 
    if(document.selection)
      { var vs = '#$%^%$#';
        var tr=document.selection.createRange()
        if(tr.parentElement()!=ta) return null;
        bits[2] = tr.text;
        tr.text = vs;
        fb = ta.value.split(vs);
        tr.moveStart('character',-vs.length);
        tr.text = bits[2];
        bits[1] = fb[0];
        bits[3] = fb[1];
      }
    else
      { if(ta.selectionStart == ta.selectionEnd) return null;
        bits=(new RegExp('([\x00-\xff]{'+ta.selectionStart+'})([\x00-\xff]{'+(ta.selectionEnd - ta.selectionStart)+'})([\x00-\xff]*)')).exec(ta.value);
      }
     return bits;
  }

function matchPTags(str)
  { str = ' ' + str + ' ';
    ot = str.split(/\[[b|u|i|s|url|img|item].*?\]/i);
    ct = str.split(/\[\/[b|u|i|s|url|img||item].*?\]/i);
    return ot.length==ct.length;
  }

function addPTag(ta,pTag,pTag2)
  { bits = getSelection(ta);
    if(bits)
      { if(!matchPTags(bits[2]))
          { alert('\t\tInvalid Selection\nSelection contains unmatched opening or closing tags.');
            return;
          }
        ta.value = bits[1] + '[' + pTag + ']' + bits[2] + '[/' + pTag2 + ']' + bits[3];
      }
  }
//Function for adding font color and size tags

function font(bbopen, bbclose) {
        var post = document.editform.post;
        post.value += bbopen + bbclose;
        post.focus();
        return;
}