Event.observe(window,"load",function(){
});

var lbc_v_next = 1;
function lbc_goto(that,next){
	var maxPage = 5;
	
	$("lbc_bc_previous_top").disabled = false;
	$("lbc_bc_previous_bottom").disabled = false;

	
	if(next == true){
		lbc_v_next++;
		/*		
		$("lbc_bc_previous_top").innerHTML = "上一页_" + (lbc_v_next - 1);
		$("lbc_bc_previous_bottom").innerHTML = "上一页_" + (lbc_v_next - 1);
		
		$("lbc_bc_next_top").innerHTML = "下一页_" + lbc_v_next;
		$("lbc_bc_next_bottom").innerHTML = "下一页_" + lbc_v_next;
		*/
		$("lbc_bc_next_top").innerHTML = "下一页";
		$("lbc_bc_next_bottom").innerHTML = "下一页";
		if(lbc_v_next > maxPage){
			$("lbc_bc_previous_top").disabled = true;
			//$("lbc_bc_previous_bottom").disabled = true;
			lbc_v_next = 1;
			/*
			$("lbc_bc_previous_top").innerHTML = "上一页";
			$("lbc_bc_previous_bottom").innerHTML = "上一页";
			$("lbc_bc_next_top").innerHTML = "下一页_" + lbc_v_next;
			$("lbc_bc_next_bottom").innerHTML = "下一页_" + lbc_v_next;
			*/
		}else if(lbc_v_next == maxPage){
			/*
			$("lbc_bc_next_top").innerHTML = "返回第一页_" + lbc_v_next;
			$("lbc_bc_next_bottom").innerHTML = "返回第一页_" + lbc_v_next;
			*/
			$("lbc_bc_next_top").innerHTML = "返回第一页";
			//$("lbc_bc_next_bottom").innerHTML = "返回第一页";
		}else if(lbc_v_next == 1){
			$("lbc_bc_previous_top").disabled = true;
			//$("lbc_bc_previous_bottom").disabled = true;
			/*
			$("lbc_bc_next_top").innerHTML = "下一页";
			$("lbc_bc_next_bottom").innerHTML = "下一页";
			*/
		}
	}else{
		lbc_v_next--;
		/*
		$("lbc_bc_previous_top").innerHTML = "上一页_" + (lbc_v_next - 1);
		$("lbc_bc_previous_bottom").innerHTML = "上一页_" + (lbc_v_next - 1);
		
		$("lbc_bc_next_top").innerHTML = "下一页_" + lbc_v_next;
		$("lbc_bc_next_bottom").innerHTML = "下一页_" + lbc_v_next;
		*/
		
		$("lbc_bc_next_top").innerHTML = "下一页";
		//$("lbc_bc_next_bottom").innerHTML = "下一页";
		
		if(lbc_v_next == 1){
			$("lbc_bc_previous_top").disabled = true;
			//$("lbc_bc_previous_bottom").disabled = true;
			/*
			$("lbc_bc_previous_top").innerHTML = "上一页";
			$("lbc_bc_previous_bottom").innerHTML = "上一页";
			*/
		}
	}
	
	var index = lbc_v_next * 2;
	$("lbc_img_top").src = $("lbc_img_top").src.replace(/lfb_(10|[1-9])\.jpg/g,"lfb_"+ lbc_v_next + ".jpg");
	$("lbc_img_top").src = $("lbc_img_top").src.replace(/\?\d{13}/g,"?" + new Date().getTime());
	//$("lbc_img_bottom").src = $("lbc_img_bottom").src.replace(/lfb_(10|[1-9])\.jpg/g,"lfb_"+ index + ".jpg");
	//$("lbc_img_bottom").src = $("lbc_img_bottom").src.replace(/\?\d{13}/g,"?" + new Date().getTime());	
	
}