function getObj(objID) {
	return document.getElementById(objID);
}

function getClient() {
	var x, y, h, w;
	if (document.documentElement) {
		x = document.documentElement.scrollLeft;
		y = document.documentElement.scrollTop;
		w = document.documentElement.clientWidth;
		h = document.documentElement.clientHeight;
	} else if (document.body) {
		x = document.body.scrollLeft;
		y = document.body.scrollTop;
		w = document.body.clientWidth;
		h = document.body.clientHeight;
	} else {}//Netscape stuff
	return {"x":x, "y":y, "w":w, "h":h};
}

//随机改变数组的排序
function randomOrder (strPic,strLink,strText,bolRand) {
    if (!bolRand) {
		return 'pics='+strPic+'&links='+strLink+'&texts='+strText;
	}
	var picArray = strPic.split("|");
    var linArray = strLink.split("|");
    var txtArray = strText.split("|");
	var arrayLength = picArray.length
    //
    //先创建一个正常顺序的数组
    var tempArray1 = new Array();

    for (var i = 0; i < arrayLength; i ++) {
        tempArray1 [i] = i
    }
	
    //再根据上一个数组创建一个随机乱序的数组
    var tempArray2 = new Array();

    for (var i = 0; i < arrayLength; i ++)
    {
        //从正常顺序数组中随机抽出元素
        tempArray2 [i] = tempArray1.splice (Math.floor (Math.random () * tempArray1.length) , 1)
    }
    //
    //最后创建一个临时数组存储 根据上一个乱序的数组从targetArray中取得数据
    var tempArray3 = new Array();
	var strPicConn = "";
	var strLinConn = "";
	var strTxtConn = "";

    for (var i = 0; i < arrayLength; i ++) {
        if (i == arrayLength -1) {
			strSplit = "";
		} else {
			strSplit = "|";
		}
		strPicConn += picArray [tempArray2 [i]] + strSplit;
		strLinConn += linArray [tempArray2 [i]] + strSplit;
		strTxtConn += txtArray [tempArray2 [i]] + strSplit;
    }
    //
	//返回最后得出的数组	
	return "pics=" + strPicConn + "&links=" + strLinConn + "&texts=" + strTxtConn;
}

function writeFlash(objSwf) {
	var intTime   = objSwf.intTime;	 //图片停顿时间，单位为秒，为0则停止自动切换
	var intW	  = objSwf.intW;	 //宽度
	var intH	  = objSwf.intH;	 //高度
	var intTxtH   = objSwf.intTxtH;	 //标题高度
	var strAlign  = objSwf.align;	 //标题文字对齐方式(left、center、right)
	var aypics	  = objSwf.pics;	 //图片地址
	var ayhrefs	  = objSwf.hrefs;	 //相对于图片的链接地址
	var aytexts	  = objSwf.texts;	 //标题文字
	var swfPath   = objSwf.swfPath;	 //Flash地址
	var boolRand  = objSwf.boolRand;//是否随机显示
	var intSH	  = intH + intTxtH;	 //Flash高度相加之和最好是偶数,否则数字会出现模糊失真的问题
	var strValues = "interval_time=" + intTime + "&borderwidth=" + intW + "&borderheight=" + intH + "&textheight="+ intTxtH;

	var pics	  = "";
	var hrefs     = "";
	var texts     = "";
	var strUnion  = "";
	var intLen    = aypics.length;
	if (intLen <= 1) {
		if (aypics[0].indexOf(".swf") > 0) {
			document.write("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0\" width=\""+intW+"\" height=\""+intH+"\">");
			document.write("   <param name=\"movie\" value=\""+aypics[0]+"\" />");
			document.write("   <param name=\"quality\" value=\"high\" />");
			document.write("   <embed src=\""+aypics[0]+"\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\""+intW+"\" height=\""+intH+"\"></embed>");
			document.write("</object>");
		} else {
			document.write("<a href=\""+ayhrefs[0]+"\" target=\"_balank\" title=\""+aytexts[0]+"\"><img src=\""+aypics[0]+"\" width=\""+intW+"\" height=\""+intH+"\"/></a>");
		}
	} else {
		for (var i = 0; i < intLen; i++){
			strUnion = "";
			if (i < (intLen - 1)) {
				strUnion = "|";
			}
			pics  += aypics[i] + strUnion;
			hrefs += ayhrefs[i] + strUnion;
			texts += aytexts[i] + strUnion;
		}
	
		strValues	 +=  "&text_align=" + strAlign + "&" + randomOrder (pics, hrefs, texts, boolRand);
	
		document.write("<object codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0\" ");
		document.write("classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" width=\""+ intW +"\" height=\""+ intSH +"\">");
		document.write("	<param name=\"movie\" value=\"" + swfPath + "\">");
		document.write("	<param name=\"quality\" value=\"high\"><param name=\"bgcolor\" value=\"#ffffff\">");
		document.write("	<param name=\"menu\" value=\"false\"><param name=wmode value=\"opaque\">");
		document.write("	<param name=\"FlashVars\" value=\"" + strValues + "\">");
		document.write("	<embed src=\"" + swfPath + "\" wmode=\"opaque\" FlashVars=\"" + strValues + "\" menu=\"false\" bgcolor=\"#ffffff\" ");
		document.write("quality=\"high\" width=\""+ intW +"\" height=\""+ intSH +"\" allowScriptAccess=\"sameDomain\" ");
		document.write("pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" />");
		document.write("</object>");
	}
}

<!--团购倒计时开始-->    
function GetRTime(){
var xmlHttp = false; 
//获取服务器时间 
try { 
   xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); 
} catch (e) { 
   try { 
     xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 
   } catch (e2) { 
     xmlHttp = false; 
   } 
} 
  
if (!xmlHttp && typeof XMLHttpRequest != 'undefined') { 
   xmlHttp = new XMLHttpRequest(); 
} 
  
xmlHttp.open("GET", "null.txt", false); 
xmlHttp.setRequestHeader("Range", "bytes=-1"); 
xmlHttp.send(null); 
  
severtime=new Date(xmlHttp.getResponseHeader("Date")); 
  
//获取服务器日期 
var year=severtime.getFullYear(); 
var month=severtime.getMonth()+1; 
var date=severtime.getDate(); 
//获取服务器时间 
var hour=severtime.getHours(); 
var minu=severtime.getMinutes(); 
var seco=severtime.getSeconds(); 
    
var EndTime= new Date(2011,03,27,0,0); //截止时间:2008年6月7日8时0分

var serverTime = new Date(year,month,date,hour,minu,seco);//服务器端时间
var nMS =EndTime.getTime() - serverTime.getTime();
var nD =Math.floor(nMS/(1000 * 60 * 60 * 24));
var nH=Math.floor(nMS/(1000*60*60)) % 24;
var nM=Math.floor(nMS/(1000*60)) % 60;
var nS=Math.floor(nMS/1000) % 60;
if(nD>= 0){
document.getElementById("RemainD").innerHTML=nD;
document.getElementById("RemainH").innerHTML=nH;
if(nM>=10)
{
document.getElementById("RemainM").innerHTML=nM;
}
else
{
document.getElementById("RemainM").innerHTML='0'+nM;
}
if(nS>=10)
{
document.getElementById("RemainS").innerHTML=nS;
}
else
{
document.getElementById("RemainS").innerHTML='0'+nS;
}
}
else {
document.getElementById("CountMsg").innerHTML="本次团购已全部售罄！";
}
setTimeout("GetRTime()",1000);
}
window.onload=GetRTime;
<!--团购倒计时结束-->