var chieu_ngang=120;
var chieu_doc=60;
var vien_ngoai=true;
var mau_vien="#0000FF";
var toc_do=4;
var gk_dieu_khien=true;
var so_mat_phang=8;
hinh_anh=new Array(
"http://phucdaiduong.com/themes/images/quangcao/kntp.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=8",
"http://phucdaiduong.com/themes/images/quangcao/txbaoloc.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=7",
"http://mangvn.org/logo.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=12",
"http://phucdaiduong.com/themes/images/quangcao/hhche.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=4",
"http://ykhoanet.vn/bannerqc/ykhoanet.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=10",
"http://www.phucdaiduong.com/themes/images/quangcao/doson.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=11",
"http://nukeviet.ws/img/nukeviet.png","http://phucdaiduong.com/modules.php?name=Weblinks&lid=1",
"http://phucdaiduong.com/themes/images/quangcao/teu.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=9",
"http://phucdaiduong.com/themes/images/quangcao/agro.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=3",
"http://phucdaiduong.com/themes/images/quangcao/khuyennongvn.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=5",
"http://phucdaiduong.com/themes/images/quangcao/tuvan.gif","http://phucdaiduong.com/modules.php?name=Weblinks&lid=6",
"http://phucdaiduong.com/images/logo.gif","http://phucdaiduong.com"
);
hell=new Array(so_mat_phang/2+1);
cat=new Array(so_mat_phang/2);
gk=new Array(3*Math.PI/2,0,3*Math.PI/2,11*Math.PI/6,Math.PI/6,3*Math.PI/2,7*Math.PI/4,0,Math.PI/4,3*Math.PI/2,5*Math.PI/3,11*Math.PI/6,0,Math.PI/6,Math.PI/3);
var gkOf=so_mat_phang==4?0:so_mat_phang==6?2:so_mat_phang==8?5:9;
phuoc_hau=new Array(hinh_anh.length);
var goc=gk_dieu_khien?Math.PI/(so_mat_phang/2):0,gks=so_mat_phang,ngang_max,tong_so,dung=false,i,bu_trai,nua=so_mat_phang/2;
function chay_vong(){
	if(document.getElementById){
		for(i=0;i<hinh_anh.length;i+=2){
			phuoc_hau[i]=new Image();phuoc_hau[i].src=hinh_anh[i]}
		ngang_max=chieu_ngang/Math.sin(Math.PI/so_mat_phang)+nua+1;
		Car_Div=document.getElementById("chay_vong");
		for(i=0;i<nua;i++){
			hell[i]=document.createElement("img");Car_Div.appendChild(hell[i]);	
			hell[i].style.position="absolute";
			hell[i].style.top=0+"px";
			hell[i].style.height=chieu_doc+"px";
			if(vien_ngoai){
				hell[i].style.borderStyle="solid";
				hell[i].style.borderWidth=1+"px";
				hell[i].style.borderColor=mau_vien}
			hell[i].src=hinh_anh[2*i];
			hell[i].lnk=hinh_anh[2*i+1];
			hell[i].onclick=duong_dan;
			hell[i].onmouseover=dung_hinh;
			hell[i].onmouseout=chay_lai}
		nhung_hinh_anh()}}

function nhung_hinh_anh(){
	if(!dung){
		tong_so=0;
		for(i=0;i<nua;i++){
			cat[i]=Math.round(Math.cos(Math.abs(gk[gkOf+i]+goc))*chieu_ngang);
			tong_so+=cat[i]}
		bu_trai=(ngang_max-tong_so)/2;
		for(i=0;i<nua;i++){
			hell[i].style.left=bu_trai+"px";
			hell[i].style.width=cat[i]+"px";
			bu_trai+=cat[i]}
		goc+=toc_do/720*Math.PI*(gk_dieu_khien?-1:1);
		if((gk_dieu_khien&&goc<=0)||(!gk_dieu_khien&&goc>=Math.PI/nua)){
			if(gks==hinh_anh.length)gks=0;
			if(gk_dieu_khien){
				hell[nua]=hell[0];
				for(i=0;i<nua;i++)hell[i]=hell[i+1];
				hell[nua-1].src=hinh_anh[gks];
				hell[nua-1].lnk=hinh_anh[gks+1]}
			else{for(i=nua;i>0;i--)hell[i]=hell[i-1];
				hell[0]=hell[nua];
				hell[0].src=hinh_anh[gks];
				hell[0].lnk=hinh_anh[gks+1]}
			goc=gk_dieu_khien?Math.PI/nua:0;gks+=2}}
	setTimeout("nhung_hinh_anh()",50)}
function duong_dan(){if(this.lnk)window.location.href=this.lnk}
function dung_hinh(){this.style.cursor=this.lnk?"pointer":"default";dung=true;}
function chay_lai(){dung=false}