function selectListItem(id, topic) {
	var menu = document.getElementById(id);
	var elements = menu.getElementsByTagName('*');
	var ancestor;
	for (var i=0; i<elements.length; i++) {
		if (elements[i].nodeType == 1 && elements[i].title == topic) {
			if (elements[i].nodeName == 'A') {
				elements[i].className = 'select';
			} else {
				ancestor = elements[i];
				while (ancestor.nodeName != 'LI') {
					ancestor = ancestor.parentNode
				}
				ancestor.className = 'select';
			}
		}
	}
}

$(document).ready(function(){
	$(".z_nav").mouseover(function(){
		$(this).find(".nav_2").show();
	});
	$(".z_nav").mouseout(function(){
		$(this).find(".nav_2").hide();
	});
	lunxian();
    $(".lightbox").lightBox();
});
function lunxian(){
	  var count = $(".box").length;
	  var s = $(".new_project").attr('s');
	  if(count == 0){
		  return false;
	  }
	  if(s == count){
		  s = 0;
		  $(".new_project").attr('s','0');
	  }
	  $(".box").hide();
	  $(".box:eq("+s+")").fadeIn(4000);
	  s++;
	  $(".new_project").attr('s',s);
	window.setTimeout("lunxian()", 10000);
}