// JavaScript Document
var ph_name;
var ph_img = new Image();
var ph_left;
var ph_top;
var ph_wdt;
var ph_hgt;
var cur_num = 1;

$.fn.vd = function(){
	check_nav();
	check_newbee();
	
	$("img").each(function(i){
		if ($(this).attr('lang') == "new") {
			$(this).wrap('<div class="new-img" />');
			$(this).after('<img id="news-img" src="img/new.png">');
		}
	});

	
	$("#nav-left").click(function(){
		cur_num--;
		cur_num = (cur_num<1) ? 1 : cur_num;
		product_update();
	});
	
	$("#nav-right").click(function(){
		cur_num++;
		cur_num = (cur_num > max_num) ? max_num : cur_num;
		product_update();
	});
};
function product_update(){
	$("#pr-video").html($("#v"+cur_num).html());
	$("#pr-comment").html($("#c"+cur_num).html());
	check_nav();
	check_newbee();
}
function check_nav(){
	if (cur_num==1){
		$("#nav-left").css({display:'none'});
	} else {
		$("#nav-left").css({display:'block'});
	}
	
	if (cur_num==max_num){
		$("#nav-right").css({display:'none'});
	} else {
		$("#nav-right").css({display:'block'});
	}
}
function check_newbee(){
	if($("#i"+cur_num).attr("rel")=='new'){
		$("#newbee").css({display:'block'});
	} else {
		$("#newbee").css({display:'none'});
	}
}