rc = jQuery.noConflict();
var bs = { 
		container: '.ad_global_header',
		content: '.ad_header_content',
		prev: '.adscroll_left a',
		next: '.adscroll_right a',
		interval: 160,
		visibles: 5
		};
		
rc(document).ready(function(){
	barSlider();
});

function barSlider(){
	count = rc(bs.content + ' li').length;
	visibles = bs.visibles;
	move = 0;

	rc(bs.prev).click(function(event){
		event.preventDefault();
		if(visibles == bs.visibles){
			move = -(rc(bs.content + ' li img:eq('+ ( count - bs.visibles ) +')').position().left);
			visibles = count;		
		}else{
			move += bs.interval;
			visibles--;
		}
		rc(bs.content).animate({
							   left: move
							   });
	});
	
	rc(bs.next).click(function(event){
		event.preventDefault();
		if(visibles < count){
			move -= bs.interval 	
			visibles++;
		}else{
			visibles = bs.visibles;	
			move = 0;
		}
		rc(bs.content).animate({
							   left: move
							   });
	});
}