<!--
/*
Hide/Show Layer for Navigation
© Jonathan Guthrie 2001 : jono@xserve.co.nz
OK, so I could have used the Macromedia standard but I found it to be annoying.
This works for this given situation and is not as flexible as Macromedias :)
*/
switch(navigator.appName){
	case "Netscape":
		((parseInt(navigator.appVersion))==5)? app = "N5" : app = "N4";
	break;	
	default: app="MS";
}

var numlayers = 1;
var numsublayers = 0;
//hides all layers in the nav series
//hides all layers in the nav series
function hideallsec(){
	for(i = 1; i <= numlayers; i++){
		switch(app){
			case "N5":
				var obj =  document.getElementById("m" + i);
				obj.style.visibility = "hidden";
			break;
			case "N4":
				var obj =  eval('document.m'+i);
				obj.visibility = "hide";
			break;
			default:
				var obj =  eval('document.all.m'+i+'.style');
				obj.visibility = "hidden";
		}	
	}
}
//hides all layers in the nav series
function hideallter(){
	for(i = 1; i <= numsublayers; i++){
		switch(app){
			case "N5":
				var obj =  document.getElementById("s" + i);
				obj.style.visibility = "hidden";
			break;
			case "N4":
				var obj =  eval('document.s'+i);
				obj.visibility = "hide";
			break;
			default:
				var obj =  eval('document.all.s'+i+'.style');
				obj.visibility = "hidden";
		}	
	}
}
//shows the referred layer
function showme(whichlayer,lev){
	setmenuon();
	switch(lev){
		case "1" : 
			hideallsec();
//			hideallter();
			break
		case "2" :
//			hideallter()
			break
	}
	var lref = (lev == '1')? 'm' : 's';
//	var obj = (document.all)? ('document.all.'+lref+whichlayer+'.style') : ('document.'+lref+whichlayer);
//	eval(obj).visibility = (document.all)? "visible" : "show";
	
		switch(app){
		case "N5":
			var obj =  document.getElementById(lref + whichlayer);
			obj.style.visibility = "visible";
		break;
		case "N4":
			var obj =  eval('document.'+lref+whichlayer);
			obj.visibility = "show";
		break;
		default:
			var obj =  eval('document.all.'+lref+whichlayer+'.style');
			obj.visibility = "visible";
	}	

}

//menu test var setup
var menuon;
var timeoutID;
var execme = 'testmenus()';
var timeoutInt = 3000;

//call this onmouseover to keep alive
//for this page, actually called by showme function
function setmenuon(){
	menuon = 'yes';
	timeoutID = window.setInterval(execme,timeoutInt);
}
//interval'ed test function...
function testmenus(){
	if(menuon == 'no'){
	//	MM_swapImgRestore();
		hideallsec();
//		hideallter();
	}
}
//called on mouseout of the various bits and pieces
function cleartimetag(){
	menuon = 'no';
}



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_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);
}
function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}
//-->