//左右不间断滚动====================================================================
var dir=1//每步移动像素，大＝快
var speed=2//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=2}//换向左移
function r_right(){if (dir=1)dir=-2}//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)