var textarea;
var content;

function bbcodePanel(obj){
	document.write('<img class="bbcodebutton" src="/img/icons/text_bold.png" alt="[b]" title="[b]" onclick="bbcodeAddTag(\'b\', \''+obj+'\');" />');
	document.write('<img class="bbcodebutton" src="/img/icons/text_italic.png" alt="[i]" title="[i]" onclick="bbcodeAddTag(\'i\', \''+obj+'\');" />');
	document.write('<img class="bbcodebutton" src="/img/icons/text_underline.png" alt="[u]" title="[u]" onclick="bbcodeAddTag(\'u\', \''+obj+'\');" />');
	document.write('<img class="bbcodebutton" src="/img/icons/text_strikethrough.png" alt="[s]" title="[s]" onclick="bbcodeAddTag(\'s\', \''+obj+'\');" />');
	document.write('<img class="bbcodebutton" src="/img/icons/page_white_link.png" alt="[url]" title="[url]" onclick="bbcodeAddURL(\''+obj+'\');" />');
	document.write('<img class="bbcodebutton" src="/img/icons/image_link.png" alt="[img]" title="[img]" onclick="bbcodeAddImage(\''+obj+'\');" />');
	document.write('<img class="bbcodebutton" src="/img/icons/quote.png" alt="[quote]" title="[quote]" onclick="bbcodeAddTag(\'quote\', \''+obj+'\');" />');
}

function bbcodeAddTag(tag, obj)
{
	textarea = document.getElementById(obj);
	// Code for IE
	if (document.selection) 
	{
		textarea.focus();
		var sel = document.selection.createRange();
		//alert(sel.text);
		sel.text = '[' + tag + ']' + sel.text + '[/' + tag + ']';
	}else{  // Code for Mozilla Firefox
		var len = textarea.value.length;
	    var start = textarea.selectionStart;
		var end = textarea.selectionEnd;
		
		
		var scrollTop = textarea.scrollTop;
		var scrollLeft = textarea.scrollLeft;

		
        var sel = textarea.value.substring(start, end);
	    //alert(sel);
		var rep = '[' + tag + ']' + sel + '[/' + tag + ']';
        textarea.value =  textarea.value.substring(0,start) + rep + textarea.value.substring(end,len);
		
		textarea.scrollTop = scrollTop;
		textarea.scrollLeft = scrollLeft;
	}
}

function bbcodeAddImage(obj)
{
textarea = document.getElementById(obj);
//var url = prompt('Enter the Image URL:','http://');
var scrollTop = textarea.scrollTop;
var scrollLeft = textarea.scrollLeft;

	if (document.selection) 
			{
				textarea.focus();
				var sel = document.selection.createRange();
				sel.text = '[img]IMAGE_GOES_HERE[/img]';
			}
   else 
    {
		var len = textarea.value.length;
	    var start = textarea.selectionStart;
		var end = textarea.selectionEnd;
		
        var sel = textarea.value.substring(start, end);
	    //alert(sel);
		var rep = '[img]IMAGE_GOES_HERE[/img]';
        textarea.value =  textarea.value.substring(0,start) + rep + textarea.value.substring(end,len);
		
			
		textarea.scrollTop = scrollTop;
		textarea.scrollLeft = scrollLeft;
	}

}

function bbcodeAddURL(obj)
{
textarea = document.getElementById(obj);
//var url = prompt('Enter the URL:','http://');
var scrollTop = textarea.scrollTop;
var scrollLeft = textarea.scrollLeft;

	if (document.selection) 
			{
				textarea.focus();
				var sel = document.selection.createRange();
				
			if(sel.text==""){
					sel.text = '[url]URL_GOES_HERE[/url]';
					} else {
					sel.text = '[url=URL_GOES_HERE]' + sel.text + '[/url]';
					}			

				//alert(sel.text);
				
			}
   else 
    {
		var len = textarea.value.length;
	    var start = textarea.selectionStart;
		var end = textarea.selectionEnd;
		
        var sel = textarea.value.substring(start, end);
		
		if(sel==""){
				var rep = '[url]URL_GOES_HERE[/url]';
				} else
				{
				var rep = '[url=URL_GOES_HERE]' + sel + '[/url]';
				}
	    //alert(sel);
		
        textarea.value =  textarea.value.substring(0,start) + rep + textarea.value.substring(end,len);
		
			
		textarea.scrollTop = scrollTop;
		textarea.scrollLeft = scrollLeft;
	}
}