$(document).ready(function(){

	slide_show('#headerimage',8000,2000,3000);
});

function slide_show(id,time_change,fade_in_time,close_time){
	
	window.setInterval(function()
	{
		var current_li = id+' li.open';
		var first_li = id+' li:first';
		var last_li =  id+' li:last';
		if($(last_li).hasClass('open'))
		{
			$(first_li).addClass('next');
		}
		else
		{
			$(current_li).next('li').addClass('next');
		}
		var next_li = id+' li.next'; 
		$(next_li).css('z-index','20').fadeIn(fade_in_time,clear_classes(current_li,next_li));
		
		
	},time_change);
};


function clear_classes(current_li,next_li){
	$(current_li).animate( { fontSize:"10px" },3000,function (){
			$(current_li).removeClass('open').removeAttr( 'style' );
			$(next_li).addClass('open').removeClass('next');
			$(current_li).removeAttr( 'style' );
	})

}