// 
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];}
}

function swapImgRestore()
{ //v3.0
	if(document.swapObj != null)
		document.swapObj.src = document.swapObj.oSrc;
}

function swapImage(name) 
{ //v3.0
  	
  x=MM_findObj(name);
  
  if(x!=null)
  { 
  		document.swapObj = new Object();		
		document.swapObj = x;  
		swap = x.src.substring(0,x.src.lastIndexOf('.')-2);
		swap = swap + 'dn' + x.src.substring(x.src.lastIndexOf('.'),x.src.length);
//		alert(swap);
		x.oSrc = x.src;		
		x.src=swap;	
		
  }
 
}
function swapDownImages()
{ //v30
	// function need to be defined in HTML page to set the document.downButtonTop
	// and document.downButtonLeft values

	setDownButtons();

	if(document.downButtonTop != null)
	{	
	x = MM_findObj(document.downButtonTop);	
	if(x!=null)
	{	
		swap = x.src.substring(0,x.src.lastIndexOf('.')-2);
		swap = swap + 'dn' + x.src.substring(x.src.lastIndexOf('.'),x.src.length);		
		x.oSrc = x.src;
		x.src = swap;		
	}
	}

	if(document.downButtonLeft != null)
	{	
	x = MM_findObj(document.downButtonLeft);	
	if(x!=null)
	{	
		swap = x.src.substring(0,x.src.lastIndexOf('.')-2);
		swap = swap + 'dn' + x.src.substring(x.src.lastIndexOf('.'),x.src.length);
		x.oSrc = x.src;
		x.src = swap;		
	}
	}
	
}