
function wptexturize(text) {
	text = ' '+text+' ';
	var next 	= true;
	var output 	= '';
	var prev 	= 0;
	var length 	= text.length;
	while ( prev < length ) {
		var index = text.indexOf('<', prev);
		if ( index > -1 ) {
			if ( index == prev ) {
				index = text.indexOf('>', prev);
			}
			index++;
		} else {
			index = length;
		}
		var s = text.substring(prev, index);
		prev = index;
		if ( s.substr(0,1) != '<' && next == true ) {
			s = s.replace(/---/g, '&#8212;');
			s = s.replace(/--/g, '&#8211;');
			s = s.replace(/\.{3}/g, '&#8230;');
			s = s.replace(/``/g, '&#8220;');
			s = s.replace(/'s/g, '&#8217;s');
			s = s.replace(/'(\d\d(?:&#8217;|')?s)/g, '&#8217;$1');
			s = s.replace(/([\s"])'/g, '$1&#8216;');
			s = s.replace(/(\d+)"/g, '$1&Prime;');
			s = s.replace(/(\d+)'/g, '$1&prime;');
			s = s.replace(/([^\s])'([^'\s])/g, '$1&#8217;$2');
			s = s.replace(/(\s)"([^\s])/g, '$1&#8220;$2');
			s = s.replace(/"(\s)/g, '&#8221;$1');
			s = s.replace(/'(\s|.)/g, '&#8217;$1');
			s = s.replace(/\(tm\)/ig, '&#8482;');
			s = s.replace(/\(c\)/ig, '&#169;');
			s = s.replace(/\(r\)/ig, '&#174;');
			s = s.replace(/''/g, '&#8221;');
			s = s.replace(/(\d+)x(\d+)/g, '$1&#215;$2');
		} else if ( s.substr(0,5) == '<code' ) {
			next = false;
		} else {
			next = true;
		}
		output += s; 
	}
	return output.substr(1, output.length-2);	
}

function wpautop(p) {
	p = p + '\n\n';
	p = p.replace(/(<blockquote[^>]*>)/g, '\n$1');
	p = p.replace(/(<\/blockquote[^>]*>)/g, '$1\n');
	p = p.replace(/\r\n/g, '\n');
	p = p.replace(/\r/g, '\n');
	p = p.replace(/\n\n+/g, '\n\n');
	p = p.replace(/\n?(.+?)(?:\n\s*\n)/g, '<p>$1</p>');
	p = p.replace(/<p>\s*?<\/p>/g, '');
	p = p.replace(/<p>\s*(<\/?blockquote[^>]*>)\s*<\/p>/g, '$1');
	p = p.replace(/<p><blockquote([^>]*)>/ig, '<blockquote$1><p>');
	p = p.replace(/<\/blockquote><\/p>/ig, '<p></blockquote>');	
	p = p.replace(/<p>\s*<blockquote([^>]*)>/ig, '<blockquote$1>');
	p = p.replace(/<\/blockquote>\s*<\/p>/ig, '</blockquote>');	
	p = p.replace(/\s*\n\s*/g, '<br />');
	return p;
}

function updateLivePreview() {
	
	var cmntArea = document.getElementById('comment');
	var pnmeArea = document.getElementById('author');
	var purlArea = document.getElementById('url');
	var emlArea = document.getElementById('email');
	
	if( cmntArea != null )
		var cmnt = wpautop(wptexturize(cmntArea.value));
	else
		var cmnt = '';

	if( pnmeArea != null )
		var pnme = pnmeArea.value;
	else
		var pnme = '';
	
	if( purlArea != null )
		var purl = purlArea.value;
	else
		var purl = '';
		
	if ( emlArea != null )
		var eml = emlArea.value;
	else
		var eml = '';
		
	if(purl && pnme) {
		var name = '<a href="' + purl + '">' + pnme + '</a>';
	} else if(!purl && pnme) {
		var name = pnme;
	} else if(purl && !pnme) {
		var name = '<a href="' + purl + '">Anonymous</a>';
	} else {
		var name = "Anonymous";
	}	
	
	// Disable gravatars - we don't use them in our theme so it is clashing to use them in the comment preview
	if (0)
	{
	var user_gravatar = '';
	var gravatar = 'http://www.gravatar.com/avatar/ad516503a11cd5ca435acc9bb6523536?';
	if (eml != '') {
		gravatar = 'http://www.gravatar.com/avatar/' + hex_md5(eml) + '?d=http%3A%2F%2Fwww.gravatar.com%2Favatar%2Fad516503a11cd5ca435acc9bb6523536&amp;';
	}
	else if (user_gravatar != '') {
		gravatar = user_gravatar + '?d=http%3A%2F%2Fwww.gravatar.com%2Favatar%2Fad516503a11cd5ca435acc9bb6523536&amp;';
	}
	
	gravatar += 's=32';
	}
	else
	{
		gravatar = '';
	}
	
    		gravatar += '&amp;r=G';
		
    // Make sure the container list is visible in case this is the first comment
    document.getElementById('commentlist').style.display = "block";
    document.getElementById('commentPreview').innerHTML = '<em>Comment preview:</em><br />				<cite>' + name + '</cite> Says:				<br />				' + cmnt + '';
}

function initLivePreview() {
	if(!document.getElementById)
		return false;

	var cmntArea = document.getElementById('comment');
	var pnmeArea = document.getElementById('author');
	var purlArea = document.getElementById('url');
	
	if ( cmntArea )
		cmntArea.onkeyup = updateLivePreview;
	
	if ( pnmeArea )
		pnmeArea.onkeyup = updateLivePreview;
	
	if ( purlArea )
		purlArea.onkeyup = updateLivePreview;	
}

//========================================================
// Event Listener by Scott Andrew - http://scottandrew.com
// edited by Mark Wubben, <useCapture> is now set to false
//========================================================
function addEvent(obj, evType, fn){
	if(obj.addEventListener){
		obj.addEventListener(evType, fn, false); 
		return true;
	} else if (obj.attachEvent){
		var r = obj.attachEvent('on'+evType, fn);
		return r;
	} else {
		return false;
	}
}

addEvent(window, "load", initLivePreview);

	