/* 判断左右层的高度 */

window.onload=window.onresize=function(){

var r=document.getElementById("content").offsetHeight;
//alert (r);
if (r>=400)
{
document.getElementById("sidebar").style.height=document.getElementById("content").offsetHeight+"px";
 }
 else
    {
       document.getElementById("sidebar").style.height=400+"px";
       document.getElementById("content").style.height=400+"px";
 
    }
 }
   
/*以下用于LOGO */

function FP_preloadImgs() {//v1.0
 var d=document,a=arguments; if(!d.FP_imgs) d.FP_imgs=new Array();
 for(var i=0; i<a.length; i++) { d.FP_imgs[i]=new Image; d.FP_imgs[i].src=a[i]; }
}

function FP_swapImg() {//v1.0
 var doc=document,args=arguments,elm,n; doc.$imgSwaps=new Array(); for(n=2; n<args.length;
 n+=2) { elm=FP_getObjectByID(args[n]); if(elm) { doc.$imgSwaps[doc.$imgSwaps.length]=elm;
 elm.$src=elm.src; elm.src=args[n+1]; } }
}

function FP_getObjectByID(id,o) {//v1.0
 var c,el,els,f,m,n; if(!o)o=document; if(o.getElementById) el=o.getElementById(id);
 else if(o.layers) c=o.layers; else if(o.all) el=o.all[id]; if(el) return el;
 if(o.id==id || o.name==id) return o; if(o.childNodes) c=o.childNodes; if(c)
 for(n=0; n<c.length; n++) { el=FP_getObjectByID(id,c[n]); if(el) return el; }
 f=o.forms; if(f) for(n=0; n<f.length; n++) { els=f[n].elements;
 for(m=0; m<els.length; m++){ el=FP_getObjectByID(id,els[n]); if(el) return el; } }
 return null;
}

function FP_swapImgRestore() {//v1.0
 var doc=document,i; if(doc.$imgSwaps) { for(i=0;i<doc.$imgSwaps.length;i++) {
  var elm=doc.$imgSwaps[i]; if(elm) { elm.src=elm.$src; elm.$src=null; } } 
  doc.$imgSwaps=null; }
}

function FP_goToURL(url) {//v1.0
 window.location=url;
}


/*以下用于导航菜单 */

var LastLeftID = "";
function menuFix() {
 var obj = document.getElementById("nav").getElementsByTagName("li");
 
 for (var i=0; i<obj.length; i++) {
  obj[i].onmouseover=function() {
   this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  obj[i].onMouseDown=function() {
   this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  obj[i].onMouseUp=function() {
   this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  obj[i].onmouseout=function() {
   this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
  }
 }
}
function DoMenu(emid)
{
 var obj = document.getElementById(emid); 
 obj.className = (obj.className.toLowerCase() == "expanded"?"collapsed":"expanded");
 if((LastLeftID!="")&&(emid!=LastLeftID)) //关闭上一个Menu
 {
  document.getElementById(LastLeftID).className = "collapsed";
 }
 LastLeftID = emid;
}
function GetMenuID()
{
 var MenuID="";
 var _paramStr = new String(window.location.href);
 var _sharpPos = _paramStr.indexOf("#");
 
 if (_sharpPos >= 0 && _sharpPos < _paramStr.length - 1)
 {
  _paramStr = _paramStr.substring(_sharpPos + 1, _paramStr.length);
 }
 else
 {
  _paramStr = "";
 }
 
 if (_paramStr.length > 0)
 {
  var _paramArr = _paramStr.split("&");
  if (_paramArr.length>0)
  {
   var _paramKeyVal = _paramArr[0].split("=");
   if (_paramKeyVal.length>0)
   {
    MenuID = _paramKeyVal[1];
   }
  }
  /*
  if (_paramArr.length>0)
  {
   var _arr = new Array(_paramArr.length);
  }
  
  //取所有#后面的，菜单只需用到Menu
  //for (var i = 0; i < _paramArr.length; i++)
  {
   var _paramKeyVal = _paramArr[i].split('=');
   
   if (_paramKeyVal.length>0)
   {
    _arr[_paramKeyVal[0]] = _paramKeyVal[1];
   }  
  }
  */
 }
 
 if(MenuID!="")
 {
  DoMenu(MenuID)
 }
}
GetMenuID(); //*这两个function的顺序要注意一下，不然在Firefox里GetMenuID()不起效果
//menuFix();