function restoreImg() {
  var i,x,a=document.sr;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function findObj(n, d) {
  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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n);
  return x;
}

function swapImage() {
  var i,j=0,x,a=swapImage.arguments;
  document.sr=new Array;
  for(i=0;i<(a.length-2);i+=3)
    if ((x=findObj(a[i]))!=null){
        document.sr[j++]=x;
        if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];
    }
}

var oldNavImg = 0;

function setCurNav(imgName, srcName) {
    var x;
	  imgCount = document.images.length;
	  for (i=0; !x && i < imgCount; i++) {
	    if (imgName == document.images[i].name) {
	        document.images[i].src=srcName;
	        x = document.images[i];
	    }
    }
    return x;
}
function setImg(navImgCount, currentIndex) {
  setCurNav("nav" + oldNavImg, "./pages/img/spacer/grey.gif");
  oldNavImg=currentIndex;
    var ni;
    for(var i = 0; !ni && i <= navImgCount; i++) {
        if (i == currentIndex) 
        ni = setCurNav("nav" + i, "./pages/img/spacer/black.gif");
    }
}
function viewBig(name, url, left, top, width, height)
{
  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar=no,menubar=no,status=no,scrollbars=yes,resizable=yes');
}
function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';
  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}