isExpanded = false;

  document.onmouseover = doDocumentOnMouseOver ;
  document.onmouseout = doDocumentOnMouseOut ;

  function doDocumentOnMouseOver() {
    var eSrc = window.event.srcElement ;
    if (eSrc.className == "item") {
      window.event.srcElement.className = "highlight";
    }
  }
  function doDocumentOnMouseOut() {
    var eSrc = window.event.srcElement ;
    if (eSrc.className == "highlight") {
      window.event.srcElement.className = "item";
    }
  }

	var bV=parseInt(navigator.appVersion);
	NS4=(document.layers) ? true : false;
	IE4=((document.all)&&(bV>=4)) ? true : false;
	DOM=(!document.layers && !document.all && bV>=4) ? true : false; // A hack to guess if the browser supports the DOM
	capable = (NS4 || IE4 || DOM) ? true : false;

	function expandIt(){return}
	function expandAll(){return}

	function getIndex(el) {
	  ind = null;
	  for (i=0; i<document.layers.length; i++) {
	    whichEl = document.layers[i];
	    if (whichEl.id == el) {
	      ind = i;
	      break;
	    }
	  }
	  return ind;
	}

	function arrange() {
	  nextY = document.layers[firstInd].pageY + document.layers[firstInd].document.height;
	  for (i=firstInd+1; i<document.layers.length; i++) {
	    whichEl = document.layers[i];
	    if (whichEl.visibility != "hide") {
	      whichEl.pageY = nextY;
	      nextY += whichEl.document.height;
	    }
	  }
	}

	function initIt(){
	  if (NS4) {
	    for (i=0; i<document.layers.length; i++) {
	      whichEl = document.layers[i];
	      if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
	    }
	    arrange();
	  } else if(IE4) {
	    tempColl = document.all.tags("DIV");
	    for (i=0; i<tempColl.length; i++) {
	      if (tempColl(i).className == "child") tempColl(i).style.display = "none";
	    }
	  } else if(DOM) {
	    tempColl = document.getElementsByTagName("DIV");
	    for (i=0; i<tempColl.length; i++) {
	      if (tempColl(i).className == "child") tempColl(i).style.visibility = "hidden";
	    }
	  }
	}

	function expandIt(el) {
	  if (!capable) return;
	  if (IE4) {
	    expandIE(el);
	  } else if(NS4) {
	    expandNS(el);
	  } else if(DOM) {
	    expandDOM(el);
	  }
	}

	function expandIE(el) {
	  whichEl = eval(el + "Child");

	  //whichIm = event.srcElement;
	        whichIm = eval(el+"Img");

	  if (whichEl.style.display == "none") {
			// Çϳª¸¸ ¿­±â
			initIt();
	    whichEl.style.display = "block";
	  }
	  else {
	    whichEl.style.display = "none";
	  }

	}

	function expandNS(el) {
	  whichEl = eval("document." + el + "Child");
	  whichIm = eval("document." + el + "Parent.document.images['imEx']");
	  if (whichEl.visibility == "hide") {
	    whichEl.visibility = "show";
	    whichIm.src = "minus.gif";
	  }
	  else {
	    whichEl.visibility = "hide";
	    whichIm.src = "plus.gif";
	  }
	  arrange();
	}

	function expandDOM(el) {

	  whichEl = document.getElementById(el + "Child");
	    whichIm = document.getElementById(el + "Img");

	  if (whichEl.style.visibility != "visible") {
	    whichEl.style.visibility = "visible";
	    whichIm.src = "minus.gif";
	  } else {
	    whichEl.style.visibility = "hidden";
	    whichIm.src = "plus.gif";
	  }

	}

	function showAll() {
	  for (i=firstInd; i<document.layers.length; i++) {
	    whichEl = document.layers[i];
	    whichEl.visibility = "show";
	  }
	}

	function expandAll(isBot) {
	  newSrc = (isExpanded) ? "plus.gif" : "minus.gif";

	  if (NS4) {
	        // TR-02-01-99: Don't need that
	        // document.images["imEx"].src = newSrc;
	    for (i=firstInd; i<document.layers.length; i++) {
	      whichEl = document.layers[i];
	      if (whichEl.id.indexOf("Parent") != -1) {
	        whichEl.document.images["imEx"].src = newSrc;
	      }
	      if (whichEl.id.indexOf("Child") != -1) {
	        whichEl.visibility = (isExpanded) ? "hide" : "show";
	      }
	    }

	    arrange();
	   if (isBot && isExpanded) scrollTo(0,document.layers[firstInd].pageY);
	  } else if(IE4) {
	    divColl = document.all.tags("DIV");
	    for (i=0; i<divColl.length; i++) {
	      if (divColl(i).className == "child") {
	        divColl(i).style.display = (isExpanded) ? "none" : "block";
	      }
	    }
	    imColl = document.images.item("imEx");
	    for (i=0; i<imColl.length; i++) {
	      imColl(i).src = newSrc;
	    }
	  } else if(DOM) {
	    divColl = document.getElementsByTagName("DIV");
	    for (i=0; i<divColl.length; i++) {
	      if (divColl(i).className == "child") {
	        divColl(i).style.visibility = (isExpanded) ? "hidden" : "visible";
	      }
	    }
	    imColl = document.getElementsByName("imEx");
	    for (i=0; i<imColl.length; i++) {
	      imColl(i).src = newSrc;
	    }
	  }

	  isExpanded = !isExpanded;
	}
	onload = initIt;


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
// -->

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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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];}
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}