// cell rollover functions
function _mover(cell) {
	if (!cell.contains(event.fromElement)){cell.style.cursor = 'hand';}
}

function _mout(cell) {
	if (!cell.contains(event.toElement)){cell.style.cursor = 'default';}
}

function _mclick(cell,linkID) {
	if (document.all[linkID].target || document.all[linkID].target != '') {
		window.open(document.all[linkID].href,document.all[linkID].target);
	} else {
		document.location.href=document.all[linkID].href;
	}
	if (navigator.userAgent.search(/Safari\//) == -1 && navigator.userAgent.search(/Konqueror\//) == -1) {
		event.cancelBubble=true;
	}
}

function _mbubble() {
	if (navigator.userAgent.search(/Safari\//) == -1 && navigator.userAgent.search(/Konqueror\//) == -1) {
		event.cancelBubble=true;
	}
}

// rollover
if (document.images) Rollover = true
else Rollover = false;

if (Rollover) {
	navmarkerOver = new Image();
	navmarkerOver.src = pubimgroot+"/lrn/navmarker_over.gif";
	navmarkerOff = new Image();
	navmarkerOff.src = pubimgroot+"/lrn/navmarker_off.gif";
	navmarkerOn = new Image();
	navmarkerOn.src = pubimgroot+"/lrn/navmarker_on.gif";
	laynavmarker = new Image();
	laynavmarker.src = pubimgroot+"/lrn/laynavmarker.gif";
	shim = new Image(); 
	shim.src = pubimgroot+"/lrn/shim.gif";
}

function navOn(imgID) {
	ChangeImg('n'+imgID,navmarkerOver.src)
}

function navOff(imgID) {
	ChangeImg('n'+imgID,navmarkerOff.src) 
}

function navXOn(imgID) {
	ChangeImg('nx'+imgID,navmarkerOver.src)
}

function navXOff(imgID) {
	ChangeImg('nx'+imgID,navmarkerOff.src)
}

function layNavOn(imgID) {
	ChangeImg('ln'+imgID,laynavmarker.src)
}

function layNavOff(imgID) {
	ChangeImg('ln'+imgID,shim.src)
}

function ChangeImg(id, newSrc) {
   	var vImage = FindImage(document, id, 0);
 	if (vImage) {vImage.src = newSrc;}
}

function FindImage(doc, name, j) {
   	var vImage = false;
   	if (doc.images) {vImage = doc.images[name];}
  		if (vImage) {return vImage;}
   	if (doc.layers) {
       	for (j = 0; j < doc.layers.length; j++) {
           	vImage = FindImage(doc.layers[j].document, name, 0);
           	if (vImage) {return (vImage);}
       	}
   	}
   	return (false);
}

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_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_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; }
}

function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

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];}
}