var isNS4 = false;
var isIE3 = false;
var isGood = false;
var isOP = false;
var wmn='-1';

function Is() {
	agent = navigator.userAgent.toLowerCase();
	this.major = parseInt(navigator.appVersion);
	this.ns = ((agent.indexOf('mozilla') != -1) && ((agent.indexOf('spoofer') == -1) && (agent.indexOf('compatible') == -1)));
	this.ns4 = (this.ns && (this.major == 4));
	this.ie = (agent.indexOf("msie") != -1);
	this.ie3 = (this.ie && (this.major < 4));
	this.op	 = (agent.indexOf("opera") != -1);
	if(this.ie3) {
		isIE3 = true;
	} else if(this.ns4) {
		isNS4 = true;
	} else if(this.op && (agent.indexOf("opera 7")==-1)) {
		isOP = true;
	} else {
		isGood = true;
	}
}

function arrangeO() {
var e, y, d=document.getElementsByTagName("div");
	y = d[0].style.pixelTop + d[0].style.pixelHeight;
	for (i=1; i<d.length; i++) {
		e=d[i];
		if (e.style.visibility!="hidden") {
			if (e.style.pixelTop!=y)
				e.style.pixelTop=y;
			y=y+e.style.pixelHeight+1;
		}
	}
}

function alarrangeO()
{
	arrangeO();
	setTimeout("alarrangeO()", 5000);
}

function arrange() {
var e, y, d=document.layers;
	y=d[0].pageY+d[0].document.height;
	for (i=1; i<d.length; i++) {
		e=d[i];
		if(e.visibility != "hide") {
			e.pageY = y;
			y=y+e.document.height;
		}
	}
}

function changemn(mn) {
var o=null;
	if(isOP){
		o=document.getElementById("div"+mn);
		if(o==null) return;
		if(o.style.visibility=="visible"){
			o.style.visibility="hidden";
			o=document.getElementById("img"+mn);
			if(o!=null) o.src='./img/jia.gif';
			arrangeO();
		}else{
			o.style.visibility="visible";
			o=document.getElementById("img"+mn);
			if(o!=null) o.src='./img/jian.gif';
			arrangeO();
		}
		
	}else if(isGood){
		o=document.getElementById("div"+mn);
		if(o==null) return;
		if(o.style.display=="block"){
			o.style.display="none";
			o=document.getElementById("img"+mn);
			if(o!=null) o.src='./img/jia.gif';
		}else{
			o.style.display="block";
			o=document.getElementById("img"+mn);
			if(o!=null) o.src='./img/jian.gif';
		}
	}else if(isNS4){
		o = eval("document.layers['div"+mn+"']");
		if(o==null) return;
		if(o.visibility == "show"){
			o.visibility = "hide";
			o=eval("document.div"+mn+"a.document.images[0]");
			if(o!=null) o.src='./img/jia.gif';
			arrange();
		}else{
			o.visibility = "show";
			o=eval("document.div"+mn+"a.document.images[0]");
			if(o!=null) o.src='./img/jian.gif';
			arrange();
		}
	}
}

Is();

with (document) {
	write("<STYLE TYPE='text/css'>");
	if (isOP) {
		write(".s {position:absolute; visibility:hidden}");
		write(".r {position:absolute; visibility:visible}");
	} else if (isNS4) {
		write(".s {position:absolute; visibility:hide}");
		write(".r {position:absolute; visibility:show}");
	}else {
		write(".s {display:none}");
		write(".r {display:block}");
	}
	write("</STYLE>");
}

if(isNS4) onload=arrange;
if(isOP) onload=arrangeO;