// 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);
 
 
// Define the bbCode tags
 
bbcode = new Array();
 
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[list]','[/list]','[img]','[/img]','[url]','[/url]', '[rubrik]', '[/rubrik]' , '[left]', '[/left]', '[right]', '[/right]', '[center]', '[/center]'); <!-- PHP MOD //-->
imageTag = false;
 
 

// 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 bbstyle(bbnumber, field) {
 	
	var txtarea = document.getElementById(field);
	
   donotinsert = false;
 
   theSelection = false;
 
   bblast = 0;
 
 
 
  
 
 
 
   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 != 8)) {      // Close image tag before adding another
 
         txtarea.value += bbtags[9];
 
         lastValue = arraypop(bbcode) - 1;   // Remove the close image tag from the list
 
         document.post.addbbcode8.value = "Img";   // Return button back to normal state
 
         imageTag = false;
 
      }
 
 
 
      // Open tag
 
      txtarea.value += bbtags[bbnumber];
 
      if ((bbnumber == 9) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
 
      arraypush(bbcode,bbnumber+1);
 
      eval('document.post.addbbcode'+bbnumber+'.value += "*"');
 
//      alert(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();
 
}