//左右不间断滚动====================================================================
var dir=1//每步移动像素，大＝快
var speed=1//循环周期（毫秒）大＝慢
demo2.innerHTML=demo1.innerHTML
function Marquee(){//正常移动
	//alert(demo2.offsetWidth+"\n"+demo.scrollLeft)
	if (dir>0  && (demo2.offsetWidth-demo.scrollLeft)<=0) demo.scrollLeft=0
	if (dir<0 &&(demo.scrollLeft<=0)) demo.scrollLeft=demo2.offsetWidth
	demo.scrollLeft+=dir
	
	demo.onmouseover=function() {clearInterval(MyMar)}//暂停移动
	demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}//继续移动
}
function r_left(){if (dir=-1)dir=1}//换向左移
function r_right(){if (dir=1)dir=-1}//换向右移
var MyMar=setInterval(Marquee,speed)


//上下不间断滚动====================================================================
//            var dir2=2//每步移动像素，大＝快
//            var speed2=1//循环周期（毫秒）大＝慢
//            demo22.innerHTML=demo11.innerHTML
//            function Marquee2(){//正常移动
//            	if (dir2>0  && (demo22.offsetTop-demoo.scrollTop)<=0) demoo.scrollTop=0
//            if (dir2<0 &&(demoo.scrollTop<=0)) demoo.scrollTop=demo22.offsetHeight
//            demoo.scrollTop+=dir2
//            demoo.onmouseover=function() {clearInterval(MyMar2)}//暂停移动
//            demoo.onmouseout=function() {MyMar2=setInterval(Marquee2,speed2)}//继续移动
//            }
//            function r_up(){if (dir2=-1)dir2=2}//换向左移
//            function r_down(){if (dir2=1)dir2=-2}//换向右移
//            var MyMar2=setInterval(Marquee2,speed2)