/*
 * If element doesn't have an omni tag we look for it in the closest 4 ancestors. The reason being that sometimes an anchor tag 
 * may have DIVs, SPANs (or other child elements) inside (For styling reasons) which do not get tracked as a click. The ancestor lookup
 * limitation is for performance concerns, since CS_onClickHandler() gets executed for all clicks for As, DIVs, INPUTs, BUTTONs, 
 * even if they don't have ice tags and it would continue looking for the tag all the way to the body tag. ouch
 */
function lookupTag(elem, ascendTimes) {
  var currParent  =  elem.parentNode;
  var tag         =  '';
  for(var i=0; i<=ascendTimes; i++) {
    if(typeof currParent.name != "undefined") {
      tag = currParent.name;
      break;
    }
    currParent = currParent.parentNode;
  }
  return tag;
}

function CS_onClickHandler(e) {
  var trackValue, tagname, divID, el = "";
  
  el = (window.event) ? window.event.srcElement : e.target;
  
  tagName  =  el.tagName;
  divID    =  el.id;
  
  if (tagName == "A" || tagName == "INPUT" || tagName == "DIV" || tagName == "SPAN" || tagName == "BUTTON") { 
    trackValue = (typeof el.name == "undefined") ? lookupTag(el, 4) : el.name;
  } else if (tagName == "IMG") {
		trackValue = (window.event) ? el.parentElement.name : el.parentNode.name; 
  }
  
  if(divID == "omniture_click_tracking"){
    $(document).ready(function(){
      trackValue = $('#omniture_click_tracking').attr("name");
    })		  
  }
  if (trackValue != "" && trackValue != undefined) {
    if (trackValue.split(":").length >= 3) {
      iv_doTracking(trackValue,'','s_iv.eVar13',null,null,null,el);
    }
  }
  
  if(window.location.hash == "#debug") {
    alert('track val is '+trackValue);  //for testing in IE and stuff on the fly. Just add #debug hash at the end of URL
  }
}

/*
 * Please Note: For some reason jquery tabbed component used in Health homepage interferes with the attachEvent in IE. No solution 
 * other than calling CS_onClickHandler() directly from the plugin. =( 
 */
if (document.addEventListener){
  document.addEventListener('click', CS_onClickHandler, true); 
} else if (document.attachEvent){
  document.attachEvent('onclick', CS_onClickHandler); //IE is onclick
}


function hitFromTwilight(){
	var twilightTrackValue = "iv:fafarazzi:twilightgame:click";
	iv_doTracking(twilightTrackValue,'','s_iv.eVar13');
	
	iv_setBusinessProps();
}

function hitFromFantasyGame(){
	var fantasyTrackValue = "iv:fafarazzi:fantasygame:click";
	iv_doTracking(fantasyTrackValue,'','s_iv.eVar13');
	refresh_game_ads();
	iv_setBusinessProps();
}