BBcode nejde

<script language="JavaScript" type="text/javascript">
<!--
// bbCode control by
// subBlue design
// www.subBlue.com

// Startup variables
var imageTag = false;
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);

// Helpline messages
b_help = "Bold text: [b]text[/b] (alt+b)";
i_help = "Italic text: [i]text[/i] (alt+i)";
u_help = "Underline text: [u]text[/u] (alt+u)";
q_help = "Quote text: [quote]text[/quote] (alt+q)";
c_help = "Code display: [code]code[/code]  alt+c)";
l_help = "List: [list]text[/list] (alt+l)";
o_help = "Ordered list: [list=]text[/list] (alt+o)";
p_help = "Image: [img]http://imageurl[/img] (alt+p)";
w_help = "URL: [url]http://url[/url] or [url=http://url]Text[/url] (alt+w)";
a_help = "Close all open bbCode tags";
s_help = "Font color: [color=red]text[/color]  Tip: you can also use color=#FF0000";
f_help = "Font size: [size=x-small]small text[/size]";

// Define the bbCode tags
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]');
imageTag = false;

// Shows the help messages in the helpline window
function helpline(help) {
   document.post.helpbox.value = eval(help + "_help");
}


// Replacement for arrayname.length property
function getarraysize(thearray) {
   for (i = 0; i < thearray.length; i++) {
      if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
         return i;
      }
   return thearray.length;
}

// Replacement for arrayname.push(value) not implemented in IE until version 5.5
// Appends element to the array
function arraypush(thearray,value) {
   thearray[ getarraysize(thearray) ] = value;
}

// Replacement for arrayname.pop() not implemented in IE until version 5.5
// Removes and returns the last element of an array
function arraypop(thearray) {
   thearraysize = getarraysize(thearray);
   retval = thearray[thearraysize - 1];
   delete thearray[thearraysize - 1];
   return retval;
}


function checkForm() {
  formErrors = false;
  document.post.message.value = '';
   if (document.post.input.value.length < 2) {
      formErrors = 'Musíte zadať text príspevku!';
   }
   if (formErrors) {
      alert(formErrors);
      return false;
   } else {
     if (document.post.quick_quote.checked) {
        document.post.message.value = document.post.last_msg.value + '\r\n';
     }
     document.post.message.value += document.post.input.value;
     return true;
   }
}

function bbstyle(bbnumber) {
   var txtarea = document.post.input;

   txtarea.focus();
   donotinsert = false;
   theSelection = false;
   bblast = 0;

   if (bbnumber == -1) { // Close all open tags & default button names
      while (bbcode[0]) {
         butnumber = arraypop(bbcode) - 1;
         txtarea.value += bbtags[butnumber + 1];
         buttext = eval('document.post.addbbcode' + butnumber + '.value');
         eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
      }
      imageTag = false; // All tags are closed including image tags :D
      txtarea.focus();
      return;
   }

   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 = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
         txtarea.focus();
         theSelection = '';
         return;
      }
   }
   else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
   {
      mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
      return;
   }

   // Find last occurance of an open tag the same as the one just clicked
   for (i = 0; i < bbcode.length; i++) {
      if (bbcode[i] == bbnumber+1) {
         bblast = i;
         donotinsert = true;
      }
   }

   if (donotinsert) {      // Close all open tags up to the one just clicked & default button names
      while (bbcode[bblast]) {
            butnumber = arraypop(bbcode) - 1;
            txtarea.value += bbtags[butnumber + 1];
            buttext = eval('document.post.addbbcode' + butnumber + '.value');
            eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
            imageTag = false;
         }
         txtarea.focus();
         return;
   } else { // Open tags

      if (imageTag && (bbnumber != 14)) {      // Close image tag before adding another
         txtarea.value += bbtags[15];
         lastValue = arraypop(bbcode) - 1;   // Remove the close image tag from the list
         document.post.addbbcode14.value = "Img";   // Return button back to normal state
         imageTag = false;
      }

      // Open tag
      txtarea.value += bbtags[bbnumber];
      if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
      arraypush(bbcode,bbnumber+1);
      eval('document.post.addbbcode'+bbnumber+'.value += "*"');
      txtarea.focus();
      return;
   }
   storeCaret(txtarea);
}

// 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;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
   if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

//-->
</script>

function bbstyle(bbnumber) {
   var txtarea = document.post.message;
   txtarea.focus();
   donotinsert = false;
   theSelection = false;
   bblast = 0;
   if (bbnumber == -1) {
      while (bbcode[0]) {
         butnumber = arraypop(bbcode) - 1;
         txtarea.value += bbtags[butnumber + 1];
         buttext = eval('document.post.addbbcode' + butnumber + '.value');
         eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
      }
      imageTag = false;
      txtarea.focus();
      return;
   }
   if ((clientVer >= 4) && is_ie && is_win)
   {
      theSelection = document.selection.createRange().text;
      if (theSelection) {
         document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
         txtarea.focus();
         theSelection = '';
         return;
      }
   }
   else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
   {
      mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
      return;
   }
   for (i = 0; i < bbcode.length; i++) {
      if (bbcode[i] == bbnumber+1) {
         bblast = i;
         donotinsert = true;
      }
   }
   if (donotinsert) {
      while (bbcode[bblast]) {
            butnumber = arraypop(bbcode) - 1;
            txtarea.value += bbtags[butnumber + 1];
            buttext = eval('document.post.addbbcode' + butnumber + '.value');
            eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
            imageTag = false;
         }
         txtarea.focus();
         return;
   } else {
      if (imageTag && (bbnumber != 14)) {
         txtarea.value += bbtags[15];
         lastValue = arraypop(bbcode) - 1;
         document.post.addbbcode14.value = "Img";
         imageTag = false;
      }
      txtarea.value += bbtags[bbnumber];
      if ((bbnumber == 14) && (imageTag == false)) imageTag = 1;
      arraypush(bbcode,bbnumber+1);
      eval('document.post.addbbcode'+bbnumber+'.value += "*"');
      txtarea.focus();
      return;
   }
   storeCaret(txtarea);
}

   if (donotinsert) {
      while (bbcode[bblast]) {
            butnumber = arraypop(bbcode) - 1;
            txtarea.value += bbtags[butnumber + 1];
            buttext = eval('document.post.addbbcode' + butnumber + '.value');
            eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
            imageTag = false;
         }
         txtarea.focus();
         return;
   } else {
      if (imageTag && (bbnumber != 14)) {
         txtarea.value += bbtags[15];
         lastValue = arraypop(bbcode) - 1;
         document.post.addbbcode14.value = "Img";
         imageTag = false;
      }
      txtarea.value += bbtags[bbnumber];
      if ((bbnumber == 14) && (imageTag == false)) imageTag = 1;
      arraypush(bbcode,bbnumber+1);
      eval('document.post.addbbcode'+bbnumber+'.value += "*"');
      txtarea.focus();
      return;
   }