var viewerState = 0;

function toggleView(emID,txt) {
  var iBlock = document.getElementById(emID);
  if (viewerState == 0) {
      iBlock.style.display = "block";viewerState = 1; 
      if (txt) txt.innerHTML = "[Hide]";
      }
  else {
    iBlock.style.display = "none";viewerState = 0;
      if (txt) txt.innerHTML = "[View]";
  }

}
function toggleViewAux(emID,state) {
    viewerState = state;
    toggleView(emID);
}

function showImage() {
 var imgSrc = "";
 imgSrc = this.getElementsByTagName('img')[0].src.replace("0","1");
 toggleViewAux('viewer', 0);
 document.getElementById("viewerimg").src = imgSrc;
 return false;
}

function attachEvents() {
   if (arguments) {
      var aviTable;
      var iLinks;
      var iLink;
      for (var i = 0; i < arguments.length; i++) {
        aviTable = document.getElementById(arguments[i]);
        iLinks = aviTable.getElementsByTagName('a');
        for (var y = 0; y < iLinks.length; y++) {
             iLinks[y].onclick = showImage;
        }
      }
   }
}