function showObj(obj)
	{
		obj.style.visibility = 'visible';
	}
	
	function hideObj(obj)
	{
		obj.style.visibility = 'hidden';
	}
	
	function centreObj(obj)
	{
		ns4 = (document.layers)? true:false
		ie4 = (document.all)? true:false

		var scW, scH, obW, obH;
		if (ie4) {
			scW = parseInt(document.body.clientWidth);
			scH = parseInt(document.body.clientHeight); }
		else {
			scW = parseInt(screenSize.width);
			scH = parseInt(screenSize.height); }
			
		obW = parseInt(obj.style.width);
		obH = parseInt(obj.style.height);
		
		obj.style.left = (scW/2)-(obW/2) + 'px';
		obj.style.top = (scH/2)-(obH/2) + 'px';
	}
	
	function newImage(arg) 
	{
		if (document.images) 
		{
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}

	function changeImages() 
	{
		if (document.images && (preloadFlag == true)) 
		{
			for (var i=0; i<changeImages.arguments.length; i+=2) 
			{
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}

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) { //v4.01
  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];}
}