/* Javascript Document */

function rollOverPic(ffID,ffStatus) {
  var FFpicture = 'images/treatments_' + ffID.substr(3) + '_';
  var FFlabel   = '';
  var FFTargI   = document.getElementById(ffID);
  var FFTargL   = document.getElementById('ff_treatLabel');
  
  if (ffStatus == "over") {
    FFlabel   = 'AFTER';
    FFpicture = FFpicture + 'post.jpg';
  } else {
    FFlabel   = 'BEFORE';
    FFpicture = FFpicture + 'pre.jpg';
  }
  
  FFTargI.src       = FFpicture;
  FFTargL.innerHTML = FFlabel;
}

function chngID(ffID) {
  if (document.getElementById('ff_cosmetic')) {
    document.getElementById('ff_cosmetic').id = ffID;
    rollOverPic(ffID,'out');
  } else if (document.getElementById('ff_fungalnail')) {
    document.getElementById('ff_fungalnail').id = ffID;
    rollOverPic(ffID,'out');
  } else if (document.getElementById('ff_hammertoe')) {
    document.getElementById('ff_hammertoe').id = ffID;
    rollOverPic(ffID,'out');
  }
}

// New Function for Images
function switch_image_back(v, folder) {
  var srcimg  = document.getElementById('smallGallImg');
  var x       = v.split("/");
  next        = x[5];
  
  for (var i=0; i < w.length; i++) {
    if (x[5] == w[i]) {
      if (i != 0) {
        var pos = i;
        next  = w[i-1];
        break;
      } else {
        pos = 1;
      }
    }
  }
  
  srcimg.src                    = folder + next;
  document.form.num.value       = pos;
  document.form.img_desc.value  = dsc[pos-1];
  return;
}

function switch_image_forward(v, folder) {
  var srcimg  = document.getElementById('smallGallImg');
  var x       = v.split("/");
  next        = x[5];
  
  for (var i=0; i < w.length; i++) {
    if (x[5] == w[i]) {
      if (i != w.length-1) {
        var pos = i+2;
        next = w[i+1];
        break;
      } else {
        pos = w.length;
      }
    }
  }
  
  srcimg.src                    = folder + next;
  document.form.num.value       = pos;
  document.form.img_desc.value  = dsc[pos-1];
  return;
}

// Not Usefull for SEO
/*function preLoading(folder) {
  var toapp = document.getElementById('ff_ftf_img_append');
  var newImg;
  
  for (var i=0; i < w.length; i++) {
    newImg  = document.createElement('img');
    newImg.setAttribute('src', folder + w[i]);
    newImg.setAttribute('height', 0);
    newImg.setAttribute('width', 0);
    newImg.setAttribute('alt', description[i]);
    newImg.setAttribute('style', 'display: none;');
    toapp.appendChild(newImg);
  }
}*/
//-->