var rotateDelay = 0;
var rotateTime = 7000;
var currentFeature = 1;
var nextFeature = 2;
var numFeatures = 0;
var navJumpHeight = "120px";
function selectFeature(targetFeature){
	if(targetFeature != currentFeature){
		$("#feature_"+targetFeature).addClass("selected");
		$("#feature_"+currentFeature).removeClass("selected");
		$("#feature_"+targetFeature).fadeIn(400);
		$("#feature_"+currentFeature).fadeOut(400);
		$("a#feature_nav_"+targetFeature).addClass("selected");
		$("a#feature_nav_"+currentFeature).removeClass("selected");
		
		currentFeature = targetFeature;
	}
}

function rotateFeature(){
	if(rotateDelay == 1){
		rotateDelay = 0;
	} else {
		if(nextFeature > numFeatures){
			nextFeature = 1;
		} else {
		
		}
		selectFeature(nextFeature);
		nextFeature++;
	}
	setTimeout(rotateFeature, rotateTime);
}
$(function(){
	numFeatures = $("#feature img").size();

	$('#feature_nav a').live('click', function(){
		var targetFeature = $(this).attr("id").substr(12);
		selectFeature(targetFeature);
		rotateDelay = 1;
		if(nextFeature == targetFeature){
			nextFeature++;
		}
		return false;
	});
	$("#signup").css('z-index','9');
	//Hover functionality	
	$("#signup").hover(function(){
			$('#signup img').css('visibility','visible');
		},function(){
			$("#signup img").css('visibility','hidden');
	});
		
	setTimeout(rotateFeature, rotateTime);
});