var aircraftInc = 0;
var infantryInc = 0;
var vehiclesInc = 0;

var nextInc = 0;

function deckShuffle(cardDeck, imgPath, cardInfo, elm, subs){

	var uc = document.getElementById("unitsContainer");
	
	var subFac = document.getElementById(cardDeck+"Subs");
	
	
	var hrefTree = uc.getElementsByTagName("a");
	
	for(var i =0; i<hrefTree.length; i++){
		if(elm == hrefTree[i]){
			hrefTree[i].className = "currentCard";
		}else{			
			hrefTree[i].className = "";
		}
	}
	
	var deck = document.getElementById(cardDeck+"Deck");
	var deckInfo = document.getElementById(cardDeck+"Info");
	
	deck.style.background = "url(/images/games/cnckw360/units/" + imgPath+")";	
	subFac.style.background = "url(/images/games/cnckw360/units/" + subs+".gif) no-repeat scroll right 0";
	
	deckInfo.innerHTML = cardInfo;
}


function toggleFaction(faction){	
	var f = ['nod','gdi','scrin'];
	
	var uc = document.getElementById(f[faction]);
	var hrefTree = uc.getElementsByTagName("a");	
	
	var theOnclick = hrefTree[0].onclick();
	
	//resetting the increment values
	nextInc = 0;
	aircraftInc = 0;
	infantryInc = 0;
	vehiclesInc = 0;

	var openFaction = document.getElementById(f[faction]);
	var fMainNav = document.getElementById("factionsMainNav");
	var uSubNav = document.getElementById("unitsSubNav");	
	var unitsContainer = document.getElementById("unitsContainer");	
	
	
	for(var i = 0; i<f.length; i++){
		var closeFaction = document.getElementById(f[i]);
		closeFaction.style.display = "none";
	}

	var uSN = uSubNav.getElementsByTagName("li");
	
	for(var f = 0; f<uSN.length; f++ ){
		uSN[f].childNodes[0].style.backgroundPosition = "0px 0px";
	}
		uSN[faction].childNodes[0].style.backgroundPosition = "0px -40px";

	openFaction.style.display = "block";
	fMainNav.style.display = "none";
	uSubNav.style.display = "block";
	unitsContainer.style.display = "block";
	
/*	
	//resetting the increment values
	nextInfantryInc = 0;
	nextGdiInc = 0;
	nextScrinInc = 0;	
*/	
}



function nextSet(units, inc){
//var nextInc = 0;
	var u = document.getElementById(units);				 
	var uULs = 	u.getElementsByTagName("ul");
	
	//previous button
	var psButton = document.getElementById(units+"PSButton");	

	//next button
	var nsButton = document.getElementById(units+"NSButton");


	if(inc == "aircraft"){
		  aircraftInc++;
		  nextInc = aircraftInc;
	}
	else if(inc == "infantry"){
		 infantryInc++;
		 nextInc = infantryInc;
	}
	else if(inc == "vehicles"){
  		 vehiclesInc++;
		 nextInc = vehiclesInc;
	}
	

	for(var i = 0; i<uULs.length; i++){
		uULs[i].style.display = "none";
	}
	
	uULs[nextInc].style.display = "block";
	
	if(nextInc < uULs.length){	
		psButton.style.display = "block";
	}else if(nextInc == 0 || nextInc < 0){
		psButton.style.display = "none";
		nsButton.style.display = "block";
	}
	
	if(nextInc = uULs.length-1){
		nsButton.style.display = "none";
	}
	
}

function prevSet(units, inc){

	if(inc == "aircraft"){
		 aircraftInc--;
		 nextInc = aircraftInc;
	}
	else if(inc == "infantry"){
		 infantryInc--;
		 nextInc = infantryInc;
	}
	else if(inc == "vehicles"){
		 vehiclesInc--;
		 nextInc = vehiclesInc;
	}

	var uPrevSet = document.getElementById(units);				 
	var uULPrevSet = uPrevSet.getElementsByTagName("ul");

	//previous button
	var psButton = document.getElementById(units+"PSButton");	

	//next button
	var nsButton = document.getElementById(units+"NSButton");


	for(var i = 0; i<uULPrevSet.length; i++){
		
		if(nextInc > 0){
			uULPrevSet[i].style.display = "none";
		}
	}
		
	if(nextInc < uULPrevSet.length){
		uULPrevSet[nextInc].style.display = "block";	
	}
	
	if(nextInc == 0 || nextInc < 0){
		psButton.style.display = "none";
		nsButton.style.display = "block";
	}

/*
	if(nextInc = uULPrevSet.length-1){
		nsButton.style.display = "none";
	}
*/
	
}