/*
	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);
};



function moreInfoBoxClick(e) {
  // find the event
  if (!e) var e = window.event;
  
  // find the clicked element
  var moreInfoBoxEl;
  if (e.target) moreInfoBoxEl = e.target;
  else if (e.srcElement) moreInfoBoxEl = e.srcElement;
  if (moreInfoBoxEl.nodeType == 3)
    moreInfoBoxEl = moreInfoBoxEl.parentNode;
  
  // find the parent which is of class 'business-thumb'
  while (moreInfoBoxEl.className != 'business-thumb') {
    if (!moreInfoBoxEl.parentNode)
      break;
    moreInfoBoxEl = moreInfoBoxEl.parentNode;
  }
  
  // find the link element
  var linkEl = null;
  for (var moreInfoBoxElIndex = 0; moreInfoBoxElIndex < moreInfoBoxEl.childNodes.length; moreInfoBoxElIndex++) {
    for (var moreInfoBoxChildIndex = 0; moreInfoBoxChildIndex < moreInfoBoxEl.childNodes[moreInfoBoxElIndex].childNodes.length; moreInfoBoxChildIndex++) {
      var childEl = moreInfoBoxEl.childNodes[moreInfoBoxElIndex].childNodes[moreInfoBoxChildIndex];
      if (!linkEl && childEl.tagName == 'A')
        linkEl = childEl;
    }
  }
  if (!linkEl)
    return;
  
  // go to the link
  document.location = linkEl.href;
}

var moreInfoBoxEls = getElementsByClassName('business-thumb');
for (var i = 0; i < moreInfoBoxEls.length; i++) {
  var moreInfoBoxEl = moreInfoBoxEls[i];
  
  if (moreInfoBoxEls[i].addEventListener)
    moreInfoBoxEls[i].addEventListener('click', moreInfoBoxClick, false);
  else if (moreInfoBoxEls[i].attachEvent)
    moreInfoBoxEls[i].attachEvent('onclick', moreInfoBoxClick);
}