function prdimgPlay() {
	
	
    $img_large = $(".details_img_large").find("img");
    $img_list = $(".details_img_list").find("dl");
    $img_list_li = $img_list.find("dd");
	
    //$img_large_left = $(".details_img_large").children().eq(0);
    //$img_large_right = $(".details_img_large").children().eq(1);
	
    $img_list_left = $(".details_img_list .previous");
    $img_list_right = $(".details_img_list .next");
	
	
    var owidth = "136";
    var thumbnum = $img_list_li.length;
    var clicknum = $img_list_li.length;
	
	
    var dis = 0;
    var num = 0;
	
	
    var ispass = true;
    var playpass = true;
	
	
    function choose(numble) {
        $img_list_li.eq(numble).addClass("hover").siblings().removeClass("hover")
    }
	
    function change(linum) {
        var thumsrc = $img_list_li.eq(linum).find("img").attr("src");
        $img_large.attr("src", thumsrc)
    }
	
    function clickMove() {
        choose(num);
        change(num);
        if (ispass) {
            $img_list.stop(true).animate({
                marginLeft: -dis + "px"
            },
            600)
        }
    }
    function click_left() {
        thumbnum++;
        if (thumbnum > 4) {
            ispass = true
        }
        if (thumbnum > $img_list_li.length) {
            playpass = false;
            thumbnum = $img_list_li.length
        } else {
            playpass = true
        }
        if (playpass) {
            num--;
            dis = num * owidth;
            clickMove()
        }
    }
    function click_right() {
        thumbnum--;
        if (thumbnum < 4) {
            ispass = false
        }
        if (thumbnum == 0) {
            playpass = false;
            thumbnum = 1
        } else {
            playpass = true
        }
        if (playpass) {
            num++;
            dis = num * owidth;
            clickMove()
        }
    }
	
   
    //$img_large_left.click(function() {
        //click_left()
    //});
	 //$img_large_right.click(function() {
        //click_right()
    //});
	
	$img_large.click(function() {
       click_right()
    });
	
	 $img_list_left.click(function() {
        click_left()
    });
	
    $img_list_right.click(function() {
        click_right()
    });
	
   
	
    $img_list_li.click(function() {
        num = $(this).index();
        thumbnum = clicknum - num;
        if (clicknum < 8 && clicknum > 4) {
            disnum = clicknum - 4;
            dis = disnum * owidth;
            if (clicknum == 6) {
                if (num < 3) {
                    dis = num * owidth
                }
            }
            if (clicknum == 7) {
                if (num < 4) {
                    dis = num * owidth
                }
            }
        }
        clickMove()
    })
}