// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


/* 下拉菜单 ===========================================*/
function Menu_hide(divid) { //v3.0
  var mydiv=document.getElementById(divid); //鼠标移出，两秒后隐藏当前的
  preid=divid;
  if(mydiv.style.display=="block"){
	  if(lastid!=="")
	  window.clearTimeout(lastid);
  	  lastid=window.setTimeout(hideMyDiv,1000);
  }
}
var preid="";
var currid="";
var lastid="";
function changemenu(mydiv){
	 if(lastid!=="")
	  window.clearTimeout(lastid);
currid=mydiv;
  if(preid!==""&&preid!==currid)
  	document.getElementById(preid).style.display="none";//鼠标移进，把之前的马上隐藏
  
  var obj = document.getElementById(mydiv);//显示当前鼠标所在div
  if (obj.style.display=='none'){
    obj.style.display='block';
  }else{
    obj.style.display='block';
  }
}
function hideMyDiv(){
	if(preid!=="")
	var obj=document.getElementById(preid);
	obj.style.display='none';
}