var maxBanners = 5;
var delay = 8000;
var bannerTimeout = setTimeout(tooglebanner,delay);
var currentBanner = 1;
var startbanner = true;

function tooglebanner(){
	currentBanner++;
	if(currentBanner > maxBanners || startbanner) currentBanner = 1;
	startbanner = false;
	bannerTimeout = setTimeout(tooglebanner,delay);
	showgkTab(currentBanner,true);
}

function showgkTab(id,remove){
	$('.gkTab-1').removeClass('active');
	$('.gkTab-2').removeClass('active');
	$('.gkTab-3').removeClass('active');
	$('.gkTab-4').removeClass('active');
	$('.gkTab-5').removeClass('active');
	if(!remove){
		clearTimeout(bannerTimeout);
		bannerTimeout = setTimeout(tooglebanner,3 * delay);
		currentBanner = id;
	}
	switch(id){
		case 1:
			$('.gkTabContainer2').animate({left:0});
			$('.gkTab-1').addClass('active');
			break;
		case 2:
			$('.gkTabContainer2').animate({left:-1002});
			$('.gkTab-2').addClass('active');
			break;
		case 3:
			$('.gkTabContainer2').animate({left:-2004});
			$('.gkTab-3').addClass('active');
			break;
		case 4:
			$('.gkTabContainer2').animate({left:-3006});
			$('.gkTab-4').addClass('active');
			break;
		case 5:
			$('.gkTabContainer2').animate({left:-4008});
			$('.gkTab-5').addClass('active');
			break;
	}
}