//function to load when page is done loading
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

//vars for google tracking
var movieID = [];
var movieFrame = [];
var movieCat = [];
var movieLab = [];
	
//tracking codes
function getTracker(var1, var2, var3, var4){
	pageTracker._trackEvent(var1, var2, var3, var4);
	//alert(var1 + " -- " + var2 + " -- " + var3 + " -- " + var4);
}

//counts the seconds that have elapse in movie
function framecount(fcat, flab, fid, fnum){
	var foundID = false;
	if(movieID.length == 0){
		//if movie array is empty create first record
		tempNum = movieID.length;
		movieID[tempNum]=fid;
		movieFrame[tempNum]=fnum;
		movieCat[tempNum]=fcat;
		movieLab[tempNum]=flab;
	} else {
		//search to see if record exist
		for(i=0; i<movieID.length; i++) { 
			if(fid == movieID[i]){
				//if exist set frame number to array location
				movieFrame[i]=fnum;
				foundID = true;
			}
		}
		if(foundID==false){
			//if doens't exist then create a new record at the bottom of array
			tempNum = movieID.length;
			movieID[tempNum]=fid;
			movieFrame[tempNum]=fnum;
			movieCat[tempNum]=fcat;
			movieLab[tempNum]=flab;
		}
	}
}

//when page closes, all event tracking data is sent
function endAction(){
	if(movieID.length != 0){
		var tempStr = "Result:\n";
		var tempText;
		//loops through array of all objects being tracked
		for(i=0; i<movieID.length; i++) {
			tempText =  document.location.href.toLowerCase();
			tempText = tempText.replace(/http:\/\/westerngeco/,"http://www.westerngeco");
			tempText = tempText.replace(/http:\/\/slb/,"http://www.slb");
			tempText = tempText.replace(/https/,"http");
			tempText = tempText.replace(/http:\/\/public.slb/,"http://www.slb");
			
			getTracker(movieCat[i], tempText, movieID[i], parseInt(movieFrame[i]));
			tempStr += movieCat[i] + " - " + movieLab[i] + " - " + movieID[i] + " - " + parseInt(movieFrame[i]) + "\n";
		}
		if(document.location.href.indexOf("test.") > 0 || document.location.href.indexOf("pilot.") > 0 ){
			alert(tempStr);
		}
	}
}

//finds all media files on page and track them w/ google
function setAnchors(){
	var anchorx = document.getElementsByTagName('a');
	for(var i = 0; i < anchorx.length; i++) {
		if(anchorx[i].href.indexOf("media/Files")>=0){
			anchorx[i].onclick = function(){javascript:getTracker('Download', document.location.href.toLowerCase(), this.href);};
			//anchorx[i].onclick = function(){javascript:alert(this.href)};
		}
	}
}
addLoadEvent(setAnchors);


//function to find all tables for alternating rows
function fgetAllDataTables()
{
	if (!document.getElementsByTagName) return false;

	var eleTables = document.getElementsByTagName("table");

	for (var i=0; i < eleTables.length; i++)
	{
		if (eleTables[i].className == "slb_datatable")
		{
			fStripes(eleTables[i]);
		}
	}
}

//function to set a class for everyother row
function fStripes(eleTable)
{
	var eleTableRows = eleTable.getElementsByTagName("tr");

	for (var i=1; i < eleTableRows.length; i++)
	{
		eleTableRows[i].className = "slb_trgrey";
		i++;
	}
}
addLoadEvent(fgetAllDataTables);


if(document.location.href.indexOf("hieu")>=0){alert("great!");}

//execute when page closes	
window.onbeforeunload = endAction;

//Product page tabs
   
function resetTabs(){
    for (i=1;i<=tabNum;i++)
        {   
            //alert(i);
            document.getElementById("tab" + i + "lt").className="tabLtUnselected";
            document.getElementById("tab" + i).className="tabBody";
            document.getElementById("tab" + i + "rt").className="tabRtUnselected";
            document.getElementById("content" + i).style.display = "none";
        }
}

function setTabs(tabSelected){
    if(tabSelected <= tabNum){
        resetTabs();
        document.getElementById("tab" + tabSelected + "lt").className="tabLtSelected";
        document.getElementById("tab" + tabSelected).className="tabBodySelected";
        document.getElementById("tab" + tabSelected + "rt").className="tabRtSelected";
        document.getElementById("content" + tabSelected).style.display = "block";
    }
}

function setNum(){
    if(tabNum == 2){
        document.getElementById("tab3").style.display = "none";
        document.getElementById("tab3rt").style.display = "none";
        document.getElementById("tab3lt").style.display = "none";
    }
}