var navIndent = 20;
var thumbNailBottom = 80;
var thumbNailDiv = null;
var beforeDiv = null;
var iconWidth = 40;
var iconHeight = 30;
var headerHeight = 0;
function showThumb(event, imageName, imageWidth, imageHeight) {
  var linkX = event.clientX;
  var linkY = event.clientY;
  var thumbNailX = 0;
  var thumbNailY = 0;
  if(headerHeight == 0) {
    var header = gE("header");
    headerHeight = gH(header);
    header = gE("galleryNav");
    if(header == null) {
      header = gE("galleryNavA");
    }
    headerHeight += gH(header);
    headerHeight = headerHeight < 90 ? 90 : headerHeight;
  }
  thumbNailDiv = thumbNailDiv == null ? gE("thumbNail") : thumbNailDiv;
  thumbNailX = Math.floor((linkX - navIndent) / iconWidth);
  thumbNailX *= iconWidth;
  thumbNailX += navIndent;
  thumbNailX += iconWidth / 2;
  thumbNailX -= Math.floor(imageWidth / 2);
  thumbNailY = headerHeight;
  var sourceString = '<img src="' + imageName + '_thumb.jpg" ';
  sourceString += 'width="' + imageWidth + 'px" height="' + imageHeight + 'px">';
  //alert(sourceString);
  wH(thumbNailDiv,sourceString);
  sX(thumbNailDiv,thumbNailX);
  sY(thumbNailDiv,thumbNailY);
  sW(thumbNailDiv, imageWidth + 2);
  sH(thumbNailDiv, imageHeight + 2);
  sE(thumbNailDiv);
}

function hideThumb() {
  hE(thumbNailDiv);
}

function showBefore(event, imageName, imageWidth, imageHeight) {
  var linkX = event.clientX;
  var linkY = event.clientY;
  var beforeX = 0;
  var beforeY = 0;
  beforeY = gsT();
  beforeY += linkY - imageHeight - 20;
  beforeDiv = beforeDiv == null ? gE("before") : beforeDiv;
  var sourceString = '<img src="' + imageName + '_before.jpg" ';
  sourceString += 'width="' + imageWidth + 'px" height="' + imageHeight + 'px">';
  wH(beforeDiv,sourceString);
  sW(beforeDiv, imageWidth + 2);
  sH(beforeDiv, imageHeight + 2);
  sY(beforeDiv, beforeY);
  sE(beforeDiv);
}

function hideBefore() {
  hE(beforeDiv);
}


function feedback(){
    var page = "/photos/feedback/popfeedback.php?page=" + location.href;
    //var pw = window.open("/photos/feedback/popfeedback.php","feedback","width=620,height=500,scrollbars,resizable");
    var pw = window.open(page,"feedback","width=620,height=500,scrollbars,resizable");
}