var GalleryWin;
var GalleryImageWin;

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 MM_openBrWindow(theURL,winName,features) { //v2.0
  return(window.open(theURL,winName,features));
}

function sob_OpenGalleryWindow(theUrl) {
	if ((GalleryWin != undefined) && (!GalleryWin.closed)) {
		GalleryWin.location = filename;
		GalleryWin.focus();
	}else{
		GalleryWin = MM_openBrWindow(theUrl,'galleryWin','toolbar=no,status=no,scrollbars=yes,resizable=yes,width=750,height=400');
	}
}

function sob_OpenGalleryImageWin(theObj) {
 	//work out which image is being called
	var galleryPath = '../images/viewer/';
	var filepath = theObj.src.split('/');
	//subfolder and imagename are the same
	var filename = galleryPath + filepath[filepath.length-2] + '/' + filepath[filepath.length-1];
	if ((GalleryImageWin != undefined) && (!GalleryImageWin.closed)) {
		GalleryImageWin.location = filename;
		GalleryImageWin.focus();
	}else{
		GalleryImageWin = MM_openBrWindow(filename,'galleryImgWin','toolbar=no,status=no,scrollbars=yes,resizable=yes,width=490,height=350');	
	}

}