var total_pages = 1;
var cur_page = 1;
var cur_col = 1;
var about_brand_pages = 0;
var weed_mgnt_pages = 0;


	function weedclick(){
		$('.left-nav-wrapper li').removeClass('selected');
		$('.about-brand').css('background-position','0px 0px');
		$('.weed-management').css('background-position','-151px -21px');
		total_pages = weed_mgnt_pages;
		if(cur_col==1) {
			cur_col=2;
			$('.left-nav-mover').animate({
				left: '-=369'
			}, 500, function() {
				if(cur_page>1) {
					var moveUp = (cur_page-1)*259;
					$('.left-nav-mover').animate({
						top: '+=' + moveUp
					}, 100, function() {
						cur_page=1;
					});
				}
			});
		}
		$('.content_box').each(function(){
				$(this).css("display", "none");
		});
		
		
		

		
		/* Appears to break the code when deep diving to a specific question
		var firstLI = $('.weed-management-nav ul li').get(0);
		var firstLILink = $(firstLI).find('a').attr('href');
		$(firstLI).addClass('selected');
		if(firstLILink!=null) {
			window.location = firstLILink;
		}*/
	}






$(document).ready(function(){
	about_brand_pages = Math.ceil(($('.about-brand-nav ul li').size())/7);
	total_pages=about_brand_pages;
	weed_mgnt_pages = Math.ceil(($('.weed-management-nav ul li').size())/7);

	$('.left-nav-wrapper li').mouseenter(function(){
		if(!$(this).hasClass('selected')) {
			$(this).find('div.nav-arrow').css('background','url(images/nav/arrow_right_on.png)');
		}
	});
	
	$('.left-nav-wrapper li').mouseleave(function(){
		if(!$(this).hasClass('selected')) {
			$(this).find('div.nav-arrow').css('background','url(images/nav/arrow_right.png)');
		}
	});
	
	$('.left-nav-wrapper li').click(function(){
		$('.left-nav-wrapper li').each(function(){
			$(this).removeClass('selected');
		});
		$(this).addClass('selected');
	});
	
	
	$('.weed-management').click(function(){
	
		weedclick()
		$("#box_6").addClass("selected");
		$("#content_box6").fadeIn('3000');	

		});
	
	$('.about-brand').click(function(){
		$('.left-nav-wrapper li').removeClass('selected');
		$('.weed-management').css('background-position','-151px 0px');
		$('.about-brand').css('background-position','0px -21px');
		total_pages = about_brand_pages;
		if(cur_col==2) {
			cur_col=1;
			$('.left-nav-mover').animate({
				left: '+=369'
			}, 500, function() {
				if(cur_page>1) {
					var moveUp = (cur_page-1)*259;
					$('.left-nav-mover').animate({
						top: '+=' + moveUp
					}, 100, function() {
						cur_page=1;
					});
				}
			});
		}
		
		var firstLI = $('.about-brand-nav ul li').get(0);
		var firstLILink = $(firstLI).find('a').attr('href');
		$(firstLI).addClass('selected');
		if(firstLILink!=null) {
			window.location = firstLILink;
		}
	});
	
	$('.left-nav-top').click(function(){
		if(cur_page>1) {
			cur_page = cur_page-1;
			$('.left-nav-mover').animate({
				top: '+=259'
			}, 500, function() {
				// Animation complete.
			});
		}
	});
	
	function leftnavbottomclick(){
			if(total_pages>1 && cur_page!=total_pages) {
			$('.left-nav-top').addClass('pointer');
			cur_page = cur_page+1;
			$('.left-nav-mover').animate({
				top: '-=259'
			}, 500, function() {
				// Animation complete.
			});
		}
	}	


	$('.left-nav-bottom').click(function(){
		leftnavbottomclick ();
	});
	
	// left sub nav hovers
	$('.about-brand').hover(function(){
		$('.about-brand').css('background-position','0px -21px');
	}, function(){		
		if(cur_col>1) {
			$('.about-brand').css('background-position','0px 0px');
		}
	});
	
	$('.about-brand.selected').css('background-position','0px -21px');
	
	$('.weed-management').hover(function(){
		$('.weed-management').css('background-position','-151px -21px');
	}, function(){
		if(cur_col<2) {
			$('.weed-management').css('background-position','-151px 0px');
		}
	});
	
	$('.weed-management.selected').css('background-position','-151px -21px');
});