//alert ('hello');

var total_lis = 0;
var current_li = 0;
var li_height = 324;
var li_width = 980;


function slider() {
	if (current_li < 0) {
	
		current_li = total_lis-1;
	} 
	
	else if (current_li > total_lis-1) {
		
		current_li = 0;
	}

	var new_margin_top = ((current_li * li_height) * -1);

	$('ul.slider').animate({
	
		marginTop: new_margin_top
	
	}, 700);
	
}

	$(document).ready(function() {
		total_lis = $('ul.slider li').length;
		
		//alert('total_lis: '+total_lis);
	
	});
	
	/*$(document).ready(function() {
		$('ul.slider .tran-bg:eq(1)').addClass("blue-box");

		});*/
		
	$(document).ready(function(){

		$('ul.slider > li').find('span span:eq(1)').addClass('blue-box');	
		
	});
	
	$(document).ready(function() {
		$('.arrow-l').click(function(){
			
			current_li--;
			slider();
			return false;
			//alert('total_lis');
		
		});
		
		$('.arrow-r').click(function(){
	
			current_li++;
			slider();
			return false;
		});
		
	});