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];}
}

imageSwapArray = new Array();
imageNameArray = new Array();
al=0;  // Counter of how many active 'swapped' images are currently being used.



function SB_swapImage(){   				//(imageName,imagePath)
	al++;  								// increments num of images that are currently swapped
	var arg=SB_swapImage.arguments;
	var x=MM_findObj(arg[0]);
	imageSwapArray[al-1] = x.src;
	imageNameArray[al-1] = arg[0];
	x.src = arg[1];
}

function SB_swapImageRestore(){			//(imageName,imagePath)
	var arg=SB_swapImageRestore.arguments;
	var imageToSwap=0;
	var x=MM_findObj(arg[0]);
	for(i=0;i<imageSwapArray.length;i++){if(imageNameArray[i] == arg[0]){imageToSwap=i;}}
    x.src = imageSwapArray[imageToSwap];
	al--;
}