function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		frame_04_Over = newImage("images/frame_04-Over.gif");
		frame_05_Over = newImage("images/frame_05-Over.gif");
		frame_06_Over = newImage("images/frame_06-Over.gif");
		frame_07_Over = newImage("images/frame_07-Over.gif");
		index_04_Over = newImage("images/index_04-Over.gif");
		index_05_Over = newImage("images/index_05-Over.gif");
		index_06_Over = newImage("images/index_06-Over.gif");
		index_07_Over = newImage("images/index_07-Over.gif");

		preloadFlag = true;
	}
}

//DIV菜单
l_tFadeWaiting=null;

//setTimeout增加参数
var _st = window.setTimeout; 
window.setTimeout = function(fRef, mDelay) { 
 if(typeof fRef == 'function'){ 
  var argu = Array.prototype.slice.call(arguments,2); 
  var f = (function(){ fRef.apply(null, argu); }); 
  return _st(f, mDelay); 
 } 
 return _st(fRef,mDelay); 
} 

function stop_hidden(divID)
{
	var d = document.getElementById(divID);
	window.clearTimeout(l_tFadeWaiting);
	d.style.display='block';
}

function hidden_layer(divID){
		var d = document.getElementById(divID);
		d.style.display='block';
		l_tFadeWaiting=window.setTimeout(l_fadeIn,4000,divID);
}

function l_fadeIn(divID){
	var d = document.getElementById(divID);
	d.style.display='none';
}
//结束