//获取系统时间 
var LSTR_ndate=new Date(); 
var LSTR_Year=LSTR_ndate.getYear(); 
var LSTR_Month=LSTR_ndate.getMonth(); 
var LSTR_Date=LSTR_ndate.getDate(); 
//处理 
var uom = new Date(LSTR_Year,LSTR_Month,LSTR_Date); 
uom.setDate(uom.getDate()-1);//取得系统时间的前一天,重点在这里,负数是前几天,正数是后几天 
var LINT_MM=uom.getMonth(); 
LINT_MM++; 
var LSTR_MM=LINT_MM > 10?LINT_MM:("0"+LINT_MM) 
var LINT_DD=uom.getDate(); 
var LSTR_DD=LINT_DD > 10?LINT_DD:("0"+LINT_DD) 
//得到最终结果
uom = "2010"+ "-" + LSTR_MM + "-" + LSTR_DD;
//声明一个随机数变量，默认为1
var GetRandomn = 1;
//获取随机范围内数值的函数
function GetRandom(n) { GetRandomn = Math.floor(Math.random() * n + 1) }
//开始调用，获得一个1-100的随机数
GetRandom("50");
//输出查看


var myArray = new Array()
myArray[0] = "<td width=45>广西省</td><td width=50>洪小姐</td><td width=120>PE2010102904104***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[1] = "<td width=45>河南省</td><td width=50>王小姐</td><td width=120>PE2010102904176***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[2] = "<td width=45>广东省</td><td width=50>赵小姐</td><td width=120>PE2010102906734***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[3] = "<td width=45>山东省</td><td width=50>季小姐</td><td width=120>PE2010102905134***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[4] = "<td width=45>河北省</td><td width=50>霍小姐</td><td width=120>PE2010102904376***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";

myArray[5] = "<td width=45>湖南省</td><td width=50>耿小姐</td><td width=120>PE2010102904592***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[6] = "<td width=45>浙江省</td><td width=50>邸小姐</td><td width=120>PE2010102905389***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[7] = "<td width=45>三亚市</td><td width=50>李小姐</td><td width=120>PE2010102900321***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[8] = "<td width=45>福州市</td><td width=50>皮小姐</td><td width=120>PE2010102908543***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[9] = "<td width=45>北京市</td><td width=50>吴小姐</td><td width=120>PE2010102901942***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";

myArray[10] = "<td width=45>广西省</td><td width=50>岳女士</td><td width=120>PE2010102908431***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[11] = "<td width=45>北京市</td><td width=50>刘小姐</td><td width=120>PE2010102900652***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[12] = "<td width=45>北京市</td><td width=50>刘小姐</td><td width=120>PE2010102996743***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[13] = "<td width=45>黑龙江</td><td width=50>王小姐</td><td width=120>PE2010102907844***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[14] = "<td width=45>浙江省</td><td width=50>陈小姐</td><td width=120>PE2010102903766***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";

myArray[15] = "<td width=45>广东省</td><td width=50>王富丽</td><td width=120>PE2010102907871***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[16] = "<td width=45>北京市</td><td width=50>广小姐</td><td width=120>PE2010102908347***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[17] = "<td width=45>西安市</td><td width=50>韩女士</td><td width=120>PE2010102996655***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[18] = "<td width=45>陕西省</td><td width=50>杨小姐</td><td width=120>PE2010102908674***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[19] = "<td width=45>遵义市</td><td width=50>张晶晶</td><td width=120>PE2010102907386***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";

myArray[20] = "<td width=45>云南省</td><td width=50>秦先生</td><td width=120>PE2010102934216***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[21] = "<td width=45>河北省</td><td width=50>李小姐</td><td width=120>PE2010102986543***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[22] = "<td width=45>浙江省</td><td width=50>曹女士</td><td width=120>PE2010102957376***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[23] = "<td width=45>福建省</td><td width=50>林淑琴</td><td width=120>PE2010102984763***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[24] = "<td width=45>广东省</td><td width=50>曾小姐</td><td width=120>PE2010102900652***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";

myArray[25] = "<td width=45>河北省</td><td width=50>关女士</td><td width=120>PE2010102905784***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[26] = "<td width=45>广东省</td><td width=50>潘小姐</td><td width=120>PE2010102973835***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[27] = "<td width=45>浙江省</td><td width=50>张春雪</td><td width=120>PE2010102945786***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[28] = "<td width=45>山东省</td><td width=50>李小姐</td><td width=120>PE2010102957381***</td><td width=120>胶原蛋白单元体验装</td><td widht=43>货已发</td>";
myArray[29] = "<td width=45>河南省</td><td width=50>王小姐</td><td width=120>PE2010102978493***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";

myArray[30] = "<td width=45>长沙市</td><td width=50>关小姐</td><td width=120>PE2010102974689***</td><td width=120>胶原蛋白单元体验装</td><td widht=43>货已发</td>";
myArray[31] = "<td width=45>贵阳市</td><td width=50>贺小姐</td><td width=120>PE2010102972578***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[32] = "<td width=45>广水市</td><td width=50>钱小姐</td><td width=120>PE2010102286977***</td><td width=120>胶原蛋白三月特效装</td><td widht=43>货已发</td>";
myArray[33] = "<td width=45>江苏省</td><td width=50>魏小姐</td><td width=120>PE2010102586975***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[34] = "<td width=45>山东省</td><td width=50>韩小姐</td><td width=120>PE2010102327947***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";

myArray[35] = "<td width=45>北京市</td><td width=50>高先生</td><td width=120>PE2010102538769***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[36] = "<td width=45>沈阳市</td><td width=50>王小姐</td><td width=120>PE2010102276589***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[37] = "<td width=45>太原市</td><td width=50>韩小姐</td><td width=120>PE2010102285438***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[38] = "<td width=45>上海市</td><td width=50>朱小姐</td><td width=120>PE2010102385868***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[39] = "<td width=45>福建省</td><td width=50>林小姐</td><td width=120>PE2010102278894***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";

myArray[40] = "<td width=45>河北省</td><td width=50>张女士</td><td width=120>PE2010102176395***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[41] = "<td width=45>珠江市</td><td width=50>袁小姐</td><td width=120>PE2010102278421***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[42] = "<td width=45>天津市</td><td width=50>郑小姐</td><td width=120>PE2010102238478***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[43] = "<td width=45>浙江省</td><td width=50>林园春</td><td width=120>PE2010102258934***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[44] = "<td width=45>河南省</td><td width=50>王晓丽</td><td width=120>PE2010102589545***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";

myArray[45] = "<td width=45>青海省</td><td width=50>王青青</td><td width=120>PE2010102853453***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[46] = "<td width=45>广州市</td><td width=50>张建国</td><td width=120>PE2010102753421***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[47] = "<td width=45>北京市</td><td width=50>邱女士</td><td width=120>PE2010102475723***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";
myArray[48] = "<td width=45>四川省</td><td width=50>王思雨</td><td width=120>PE2010102843224***</td><td width=120>胶原蛋白半年家庭装</td><td widht=43>货已发</td>";
myArray[49] = "<td width=45>海南省</td><td width=50>胡小姐</td><td width=120>PE2010102674214***</td><td width=120>胶原蛋白单月体验装</td><td widht=43>货已发</td>";


document.write('<div id="demo" style="overflow:hidden;height:120px;font-size:12px;"><div id="demo1" >');document.write('<table width=100%>');

for (var i = GetRandomn; i < 50; i++) {
    document.write('<tr >');
    document.write(myArray[i]);
    document.write('<td >' + uom + '</td>');
    document.write('</tr>');

}

for (var i = 0; i < GetRandomn; i++) {
    document.write('<tr >');
    document.write(myArray[i]);
    document.write('<td >' + uom + '</td>');
    document.write('</tr>');

}


document.write('</table></div><div id="demo2" ></div></div>');

var demo=document.getElementById('demo');
var demo1=document.getElementById('demo1');
var demo2=document.getElementById('demo2');	
demo2.innerHTML=demo1.innerHTML;
function qswhMarquee(){
	//alert("demw2.offsetTop:"+demo2.offsetTop+" demo.scrolltop:"+demo.scrollTop+"demo1.offsetHeight:"+demo1.offsetHeight);
	//var var isIE = (document.all && window.ActiveXObject) ? true : false; 
	if(window.isIE)
	{
		var s=demo2.offsetTop-demo.scrollTop;
	}
	else
	{		
		var s=demo2.offsetHeight-demo.scrollTop;
	}
	if(s<=0)
	{
		demo.scrollTop=demo.scrollTop-demo1.offsetHeight;
	}	
	else
	{
		demo.scrollTop = demo.scrollTop +1 ; //3表示一次移动的象素
	}
	setTimeout(qswhMarquee,100);//1000 表示 滚动的时间
}
qswhMarquee();