// toggle visibility.  Nicked from www.zeldman.com
function toggle( targetId ){
	if (document.getElementById){
		target = document.getElementById( targetId );
		if (target.style.display == "none" ){
			target.style.display = "";
		} else {
			target.style.display = "none";
		}
	}
}
// homegrown visibility switchers
function menu(){
	// show the 1st arg, hide the rest
	if (document.getElementById){
		for( var i=1; i<arguments.length; i++){
			var temp = arguments[i];
			target = document.getElementById( temp );
			target.style.display = "none";
		}
		showTarget = document.getElementById( arguments[0] );
		showTarget.style.display = "";
	}
}
function hide(){
	if (document.getElementById){
		for( var i=0; i<arguments.length; i++){
			var temp = arguments[i];
			target = document.getElementById( temp );
			target.style.display = "none";
		}
	}
}
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) { //v4.0
  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 GW_swapBackground(elem, src) {
  var i,j=0,x,a=GW_swapBackground.arguments;
  alert(elem + " , " + src);
  x = document.getElementById(elem);
  x.style.background = "url(src)";
}
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);