var isMSIE = /*@cc_on!@*/false;

function gradient(id, level)
{
  var box = document.getElementById(id);
  box.style.opacity = level;
  box.style.MozOpacity = level;
  box.style.KhtmlOpacity = level;
  box.style.filter = "alpha(opacity=" + level * 100 + ")";
  box.style.display="block";
  return;
}


function fadein(id)
{
  var level = 0;
  while(level <= 1)
  {
    setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
    level += 0.01;
  }
}


// Open the lightbox

function openbox(whichbox, fadin) {
  var ScrollTop = document.body.scrollTop;

  if (ScrollTop == 0) {
    if (window.pageYOffset)
      ScrollTop = window.pageYOffset;
    else
      ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
  }

  var box = document.getElementById('box');
  var filter = document.getElementById('filter');
  box.innerHTML = document.getElementById(whichbox).innerHTML;
  box.style.top = (150 + ScrollTop)+'px';


  //filter.style.height = (document.getElementById('container').scrollHeight+document.getElementById('footer').scrollHeight)+'px';
   filter.style.height = (document.getElementById('container').scrollHeight + 63)+'px';



  filter.style.display='block';

  if (document.all) {
    document.body.scroll = "no";
    document.body.style.overflow = "hidden";
  }

  if(isMSIE) {
    box.style.display='block';
  } else {
    gradient("box", 0);
    fadein("box");
  }


}

// Close the lightbox

function closebox()
{
   document.body.scroll = "";
   document.body.style.overflow = "";
   document.getElementById('box').style.display='none';
   document.getElementById('filter').style.display='none';
}


/*
  Developed by Robert Nyman, http://www.robertnyman.com
  Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/
var getElementsByClassName = function (className, tag, elm){
  if (document.getElementsByClassName) {
    getElementsByClassName = function (className, tag, elm) {
      elm = elm || document;
      var elements = elm.getElementsByClassName(className),
        nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
        returnElements = [],
        current;
      for(var i=0, il=elements.length; i<il; i+=1){
        current = elements[i];
        if(!nodeName || nodeName.test(current.nodeName)) {
          returnElements.push(current);
        }
      }
      return returnElements;
    };
  }
  else if (document.evaluate) {
    getElementsByClassName = function (className, tag, elm) {
      tag = tag || "*";
      elm = elm || document;
      var classes = className.split(" "),
        classesToCheck = "",
        xhtmlNamespace = "http://www.w3.org/1999/xhtml",
        namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
        returnElements = [],
        elements,
        node;
      for(var j=0, jl=classes.length; j<jl; j+=1){
        classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
      }
      try  {
        elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
      }
      catch (e) {
        elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
      }
      while ((node = elements.iterateNext())) {
	returnElements.push(node);
      }
      return returnElements;
    };
  }
  else {
    getElementsByClassName = function (className, tag, elm) {
      tag = tag || "*";
      elm = elm || document;
      var classes = className.split(" "),
        classesToCheck = [],
        elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
        current,
        returnElements = [],
        match;
      for(var k=0, kl=classes.length; k<kl; k+=1){
        classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
      }
      for(var l=0, ll=elements.length; l<ll; l+=1){
        current = elements[l];
        match = false;
        for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
          match = classesToCheck[m].test(current.className);
          if (!match) {
            break;
          }
        }
        if (match) {
          returnElements.push(current);
        }
      }
      return returnElements;
    };
  }
  return getElementsByClassName(className, tag, elm);
};