var speed = 40;
                                                var colee_left2 = document.getElementById("colee_left2");
                                                var colee_left1 = document.getElementById("colee_left1");
                                                var colee_left = document.getElementById("colee_left");
                                                colee_left2.innerHTML = colee_left1.innerHTML
                                                function Marquee3() {
                                                    if (colee_left2.offsetWidth - colee_left.scrollLeft <= 0)//offsetWidth 是对象的可见宽度
                                                        colee_left.scrollLeft -= colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
                                                    else {
                                                        colee_left.scrollLeft++
                                                    }
                                                }
                                                var MyMar3 = setInterval(Marquee3, speed)
                                                colee_left.onmouseover = function() { clearInterval(MyMar3) }
                                                colee_left.onmouseout = function() { MyMar3 = setInterval(Marquee3, speed) }