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];
   }
}

var  lastLeaf = null;

function initIt(){
        spanColl = document.all;
        for (i=0; i<spanColl.length; i++) {
            whichEl = spanColl(i);
            if (whichEl.className == "child") whichEl.style.display = "none";
        }
}

function expandIt(el) {
	
	if(el == null) return;
        whichEl = eval(el);
        if (whichEl.style.display == "block") {
            whichEl.style.display = "none";
            MM_swapImage(el+"img","","images/comm_plus.gif",1);
            
        }
        else {
            whichEl.style.display = "block";
            MM_swapImage(el+"img","","images/comm_minus.gif",1);
        }
}

function expand(el) {
	
        expandIt(el);
        if(lastLeaf == el){ lastLeaf=null; return; }
        expandIt(lastLeaf);
        lastLeaf = el;
}
			function mOvr(src,clrOver){
			if (!src.contains(event.fromElement)) {
				src.style.cursor = 'hand';
				src.bgColor = clrOver;
			}
		}
		function mOut(src,clrIn)  {
			if (!src.contains(event.toElement)) {
				src.style.cursor = 'default';
				src.bgColor = clrIn;
			}
		}