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) { //v3.0
  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); 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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

var version = "e3"
browserName = navigator.appName;          
browserVer = parseInt(navigator.appVersion);
	if (browserName == "Netscape" && browserVer >= 3) version = "n3";
	else if (browserName == "Netscape" && browserVer < 3) version = "n2";
	else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "e4";
	else if (browserName == "Microsoft Internet Explorer" && browserVer < 4) version = "e3";

NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
ver4 = (NS4 || IE4) ? 1 : 0;   
isMac = (navigator.appVersion.indexOf("Mac") != -1) ? 1 : 0;
isTrans = (IE4 && !isMac) ? 1 : 0;
ver4 = (NS4 || IE4) ? 1 : 0;
if (ver4) {
    with (document) {
	write("<STYLE TYPE='text/css'>");
	write(".child {display:none}")
    write("</STYLE>");
	}
}

isExpanded = false;

function getIndex(item) {
	ind = null;
    for (i=0; i<document.layers.length; i++) {
        topicItem = document.layers[i];
		if (topicItem.id == item) {
			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++) {
        topicItem = document.layers[i];
		if (topicItem.visibility != "hide") {
            topicItem.pageY = nextY;
			nextY += topicItem.document.height;
        }
	}
}

function initNow(){
	if (!ver4) return;
        divColl = document.all.tags("DIV");
        for (i=0; i<divColl.length; i++) {
			topicItem = divColl(i);
            if (topicItem.className == "child") topicItem.style.display = "none";
        }
}

function expandIt(item) {
	if (!ver4) return;
	if (IE4) {
        topicItem = eval(item + "Child");
		whichIm = event.srcElement;
        if (topicItem.style.display == "none") {
            topicItem.style.display = "block";
            whichIm.src = "arrow_up.gif";
		}
	else {
        topicItem.style.display = "none";
        whichIm.src = "arrow_down.gif";
		}
	}
}

function expandAll() {
    if (!ver4) return;
    newSrc = (isExpanded) ? "arrow_down.gif" : "arrow_up.gif";

        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;
        }
   
    isExpanded = !isExpanded;
}

onload = initNow;