function preview()
	{
		var str = '';
		
		var textarea = document.getElementById('debateBody');
		var previewDiv = document.getElementById('previewDiv');
		if(!textarea) return false;
		if(!previewDiv) return false;
		
		str = textarea.value;
		
		newlineRegex = /\n/ig;
		boldRegex = /\[bold\](.*?)\[\/bold\]/ig;
		italicRegex = /\[italic\](.*?)\[\/italic\]/ig;
		linkRegex = /\[link\]http:\/\/(.*?)\[\/link\]/ig;
		linkRegex2 = /\[link\](.*?)\[\/link\]/ig;
		tagStartRegEx = /</ig;
		tagEndRegEx = />/ig;
		newlineReplace = '<br>';
		boldReplace = '<b>$1</b>';
		italicReplace = '<i>$1</i>';
		linkReplace = '<a class="forumthread" href="http://$1" target="_blank">$1</a>';
		tagStartReplace = '&lt;';
		tagEndReplace = '&gt;';
    
    str = str.replace(tagStartRegEx,tagStartReplace);
    str = str.replace(tagEndRegEx,tagEndReplace);
		str = str.replace(newlineRegex,newlineReplace);
		str = str.replace(boldRegex,boldReplace);
		str = str.replace(italicRegex,italicReplace);
		str = str.replace(linkRegex,linkReplace);
		str = str.replace(linkRegex2,linkReplace);

		str = '<div class="forumBox"><div class="forumBoxWhiteBdr"><div class="forumHeadline"><div class="t_white_forum">Preview:</div></div><div class="forumBody"><div class="forumBodyPadd">'+str+'</div>';

		previewDiv.innerHTML = str;
		return false;
}