var marqueeInterval=new Array();  //定义一些常用而且要经常用到的变量
var marqueeId=0;
var marqueeDelay=3500;
var marqueeHeight=17;
//接下来的是定义一些要使用到的函数
function replace(z){
re = /</g;
	re1 = />/g;
	re2 = /"/g;
	re3 = /&/g;
	r = z.replace(re, "<");
	r1 = r.replace(re1, ">");
	r2 = r1.replace(re2, "\"");
	str = r2.replace(re3, "&");
	return str;
	}
		var marqueeBox = document.getElementById("marqueeBox");
		marqueeBox.innerHTML = "";
		
function initMarquee() {
	var str=marqueeContent[0];

	re = /&lt;/g;
	re1 = /&gt;/g;
	re2 = /&quot;/g;
	re3 = /&amp;/g;
	r = str.replace(re, "<");
	r1 = r.replace(re1, ">");
	r2 = r1.replace(re2, "\"");
	str = r2.replace(re3, "&");
	var nextLine=document.createElement('ul');
	var nextLine1=document.createElement('ul');
		nextLine.innerHTML=str;
		marqueeBox.appendChild(nextLine);
		marqueeBox.appendChild(nextLine1);
	//document.write('<div id=marqueeBox style="overflow:hidden;height:'+marqueeHeight+'px" onmouseover="clearInterval(marqueeInterval[0])" onmouseout="marqueeInterval[0]=setInterval(\'startMarquee()\',marqueeDelay)"><div>'+str+'</div></div>');
	marqueeId++;
	marqueeInterval[0]=setInterval("startMarquee()",marqueeDelay);
	}
function startMarquee() {
	var str=marqueeContent[marqueeId];
	//str = encodeURIComponent(str);
	re = /&lt;/g;
	re1 = /&gt;/g;
	re2 = /&quot;/g;
	re3 = /&amp;/g;
	r = str.replace(re, "<");
	r1 = r.replace(re1, ">");
	r2 = r1.replace(re2, "\"");
	str = r2.replace(re3, "&");
		marqueeId++;
	
	if(marqueeId>=marqueeContent.length) marqueeId=0;
	if(marqueeBox.childNodes.length==0) {
		var nextLine=document.createElement('ul');
		nextLine.innerHTML=str;
		marqueeBox.appendChild(nextLine);
		}
	else {
		marqueeBox.childNodes[0].innerHTML=str;
		marqueeBox.appendChild(marqueeBox.childNodes[0]);
		marqueeBox.scrollTop=0;
		}
	clearInterval(marqueeInterval[1]);
	marqueeInterval[1]=setInterval("scrollMarquee()",18);
	}
function scrollMarquee() {
	marqueeBox.scrollTop++;
	if(marqueeBox.scrollTop%marqueeHeight==(marqueeHeight-1)){
		clearInterval(marqueeInterval[1]);
		}
	}
initMarquee();