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() {
for (var i = 0; i < 5; i++ ) 

if (document.getElementById('enablePreviewCheckbox').checked == true)
{
document.getElementById('commentPreview').style.display='block';

var cmntArea = document.getElementById('comment');
var pnmeArea = document.getElementById('author');
var purlArea = document.getElementById('url');

if( cmntArea )
	var cmnt = wpautop(wptexturize(cmntArea.value));

if( pnmeArea )
	var pnme = pnmeArea.value;

if( purlArea )
	var purl = purlArea.value;
	
if(purl && pnme) {
	var name = '<a href="' + purl + '">' + pnme + '</a> says';
} else if(!purl && pnme) {
	var name = pnme + ' says';
} else if(purl && !pnme) {
	var name = '<a href="' + purl + '">You</a> say';
} else {
	var name = "You say";
}

document.getElementById('commentPreview').innerHTML = '<p><em>' + name + ':</em></p><p>' + cmnt + '</p>';
}
else
{
document.getElementById('commentPreview').style.display='none';
}

}

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);