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.kaixinblog.com/wp-includes/images/smilies/0.gif" alt=":微笑:" onclick="grin(\':微笑:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/1.gif" alt=":害羞:" onclick="grin(\':害羞:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/2.gif" alt=":吐舌头:" onclick="grin(\':吐舌头:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/3.gif" alt=":偷笑:" onclick="grin(\':偷笑:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/4.gif" alt=":爱慕:" onclick="grin(\':爱慕:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/15.gif" alt=":大笑:" onclick="grin(\':大笑:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/6.gif" alt=":跳舞:" onclick="grin(\':跳舞:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/7.gif" alt=":飞吻:" onclick="grin(\':飞吻:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/8.gif" alt=":安慰:" onclick="grin(\':安慰:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/9.gif" alt=":抱抱:" onclick="grin(\':抱抱:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/10.gif" alt=":加油:" onclick="grin(\':加油:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/11.gif" alt=":胜利:" onclick="grin(\':胜利:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/12.gif" alt=":强:" onclick="grin(\':强:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/13.gif" alt=":亲亲:" onclick="grin(\':亲亲:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/14.gif" alt=":花痴:" onclick="grin(\':花痴:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/46.gif" alt=":忧伤:" onclick="grin(\':忧伤:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/81.gif" alt=":鼓掌:" onclick="grin(\':鼓掌:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/83.gif" alt=":红唇:" onclick="grin(\':红唇:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/84.gif" alt=":玫瑰:" onclick="grin(\':玫瑰:\');"/> <img src="http://www.kaixinblog.com/wp-includes/images/smilies/90.gif" alt=":礼物:" onclick="grin(\':礼物:\');"/> ';
	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();
	}
}