// JavaScript Document

imageIndex = 0;
imageCount = 20;

imageNames = new Object();
iframesNames = new Object();
imageNames.length = imageCount - 1;

for (counter = 0; counter < imageCount; counter++){
    file_number = counter + 1;
    filename = ("images/galleryImage" + file_number + ".jpg");
	iframeSrc = ("caption" + file_number + ".html");
	cellID = ("td" + file_number);
    imageNames[counter] = filename;
	iframesNames[counter] = iframeSrc;
}

function changeImage(direction) {
	oldIndex = imageIndex + 1;
	oldCellID = "td" + oldIndex;
    imageIndex += direction;
    if (imageIndex < 0)
        imageIndex = imageCount - 1;
    if (imageIndex == imageCount)
        imageIndex = 0;
	newIndex = imageIndex + 1;
	newCellID = "td" + newIndex;	
	switchCellHighlight(oldCellID,newCellID);
    if (document.images)
        document.galleryImage.src = imageNames[imageIndex];
        document.frames[0].location.href = iframesNames[imageIndex];
}

function switchImage(imgName, imgSrc, number) 
{
  oldIndex = imageIndex + 1;
  oldCellID = "td" + oldIndex;
  iframeNumber = number+1;
  iframeSrc = "caption" + iframeNumber + ".html";
  newCellID = "td" + iframeNumber;	
  if (document.images && oldCellID != newCellID)
  {
    if (imgSrc != "none")
    {
      document.images[imgName].src = imgSrc;
	  document.frames[0].location.href = iframeSrc;
	  imageIndex = number+0;
	  switchCellHighlight(oldCellID,newCellID)
    }
  }
}

function switchCellHighlight(oldID,newID){
	document.getElementById(oldID).className = "gallerytable";
	document.getElementById(newID).className = "gallerytablex";
}

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_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];}}
}