function insertAfter(node, referenceNode) {
	referenceNode.parentNode.insertBefore(node, referenceNode.nextSibling);
}
function loadGrins() {
	var grinsDiv = document.createElement('div');
	grinsDiv.id = 'wp_grins';
	grinsDiv.innerHTML = '<img src="http://www.ldq.name/wp-includes/images/smilies/em18.gif" alt=":em18:" onclick="grin(\':em18:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em17.gif" alt=":em17:" onclick="grin(\':em17:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em16.gif" alt=":em16:" onclick="grin(\':em16:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em15.gif" alt=":em15:" onclick="grin(\':em15:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em14.gif" alt=":em14:" onclick="grin(\':em14:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em13.gif" alt=":em13:" onclick="grin(\':em13:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em12.gif" alt=":em12:" onclick="grin(\':em12:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em11.gif" alt=":em11:" onclick="grin(\':em11:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em10.gif" alt=":em10:" onclick="grin(\':em10:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em09.gif" alt=":em09:" onclick="grin(\':em09:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em08.gif" alt=":em08:" onclick="grin(\':em08:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em07.gif" alt=":em07:" onclick="grin(\':em07:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em06.gif" alt=":em06:" onclick="grin(\':em06:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em05.gif" alt=":em05:" onclick="grin(\':em05:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em04.gif" alt=":em04:" onclick="grin(\':em04:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em03.gif" alt=":em03:" onclick="grin(\':em03:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em02.gif" alt=":em02:" onclick="grin(\':em02:\');"/> <img src="http://www.ldq.name/wp-includes/images/smilies/em01.gif" alt=":em01:" onclick="grin(\':em01:\');"/> ';
	if ($('postdiv')) {
		var type = 'child';
		var node = $('postdiv');
	}
	else if (document.getElementById('postdivrich')) {
		var type = 'child';
		var node = $('postdivrich');
	}
	else if (document.getElementById('comment')) {
		var type = 'before';
		var node = $('comment');
	}
	else {
		return;
	}
	switch (type) {
		case 'child':
			grinsDiv.style.paddingTop = '5px';
			node.appendChild(grinsDiv);
			break;
		case 'before':
			node.parentNode.insertBefore(grinsDiv, node);
			break;
	}
}
Event.observe(window, 'load', loadGrins, false);
function grin(tag) {
	var myField;
	if ($('content') && $('content').type == 'textarea') {
		myField = document.getElementById('content');
		if ($('postdivrich') && typeof tinyMCE != 'undefined' && (!$('edButtons') || $('quicktags').style.display == 'none')) {
			tinyMCE.execInstanceCommand('mce_editor_0', 'mceInsertContent', false, '&nbsp;' + tag + '&nbsp;');
			tinyMCE.selectedInstance.repaint();
			return;
		}
	}
	else if ($('comment') && $('comment').type == 'textarea') {
		myField = $('comment');
	}
	else {
		return false;
	}
	if (document.selection) {
		myField.focus();
		sel = document.selection.createRange();
		sel.text = ' ' + tag + ' ';
		myField.focus();
	}
	else if (myField.selectionStart || myField.selectionStart == '0') {
		var startPos = myField.selectionStart;
		var endPos = myField.selectionEnd;
		var cursorPos = endPos;
		myField.value = myField.value.substring(0, startPos)
					  + ' ' + tag + ' '
					  + myField.value.substring(endPos, myField.value.length);
		cursorPos += tag.length + 2;
		myField.focus();
		myField.selectionStart = cursorPos;
		myField.selectionEnd = cursorPos;
	}
	else {
		myField.value += tag;
		myField.focus();
	}
}