// JavaScript Document
	function toggleFold(theitem) {
        var item = document.getElementById(theitem);
        var foldWithInput = item.className.indexOf("bb_viewBtn") != -1 ? " bb_viewBtn" : "";
        var foldStr;
        if (item.className.indexOf('fold') == 0) {
            foldStr = 'unfold';
        } else {
            foldStr = 'fold';
        }
        item.className = foldStr + foldWithInput;
	}