function grin(tag, replyOrder) {
        var myField;
        if(replyOrder && (myField = document.getElementById('comment_content_'+replyOrder)) && myField.type == 'textarea'){
        }else if(replyOrder && (myField = document.getElementById('reply_content_'+replyOrder)) && myField.type == 'textarea'){
        }else if ((myField = document.getElementById('content')) && myField.type == 'textarea') {
        }else if ((myField = document.getElementById('post_content')) && myField.type == 'textarea') {
        }else if ((myField = document.getElementById('reply_content')) && myField.type == 'textarea') {
        }else if ((myField = document.getElementById('edit_content')) && myField.type == 'textarea') {
        }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;
                myField.focus();
                myField.selectionStart = cursorPos;
                myField.selectionEnd = cursorPos;
        }
        else {
                myField.value += tag;
                myField.focus();
        }
		if(tag=="[Zoo1]"){
				Nova.addScript("http://hz.youku.com/red/click.php?tp=1&cp=4000210&cpp=1000188&url=");
		}
}