var picArgv={OK:false,A:[],AL:0,IMG:[],IMGL:0};

function play_ready(){
var picSpan=document.getElementById('hiddenImage');
var picA=picSpan.getElementsByTagName('A');
var picIMG=picSpan.getElementsByTagName('IMG');
    picArgv.AL=picA.length;
    picArgv.IMGL=picIMG.length;
    if(picArgv.AL==picArgv.IMGL){
        picArgv.OK=true;
        for(var i=0;i<picArgv.AL;i++){
            picArgv.A[i+1]=new String(picA[i].href);
            picArgv.IMG[i+1]=new String(picIMG[i].src);
        }
        bannerno=1;
        bannercnt=picArgv.AL;
    }
}
function play() {
    document.getElementById('loading').style.display='none';
    swich_pic(bannerno);
    itv = setInterval(rolling,6000);
}

/* ͼƬÇл»*/
function setPng24(obj) {
    obj.width=obj.height=1;
    obj.className=obj.className.replace(/\bpng24\b/i,'');
    obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='scale');"
    obj.src=''; 
    return '';
}


var timer,itv;
var bannerno = 1;
var opac = 100;
var bannercnt = 5;

function alpha(obj,n) {
    if(document.all){
        obj.style.filter="alpha(opacity="+n+")";
    } else {
        obj.style.opacity=(n/100);
    }
    obj.style.width='284px';
    obj.style.height='191px';
    //////alert('great');
}

function swich_pic(bannerno){
nextno = bannerno+1
if(bannerno==bannercnt) nextno=1;
var fg = document.getElementById("bannerfg");
var fga = document.getElementById("bannerfga");
fg.src=picArgv.IMG[bannerno];//"images/"+bannerno+".jpg";
fg.style.width='284px';
fg.style.height='191px';
fga.href=picArgv.A[bannerno];
var bg = document.getElementById("bannerbg");
//bg.style.backgroundImage="url(images/"+nextno+".jpg)";
bg.style.backgroundImage="url("+picArgv.IMG[nextno]+")";
document.getElementById("bannerbtn"+bannerno).className="on";
return fg;
}

function rolling() {
var opac=100;
var fg = document.getElementById("bannerfg");

var fadeout=function(){
    opac-=10;
    alpha(fg,opac);
    if(opac>0) {
        timer=setTimeout(fadeout,100);
    } else {
        bannerno++;
        if(bannerno>bannercnt) bannerno = 1;
        opac=100;
        alpha(fg,opac);
        swich_pic(bannerno);
        for(i=1;i<=bannercnt;i++) {
          
		   document.getElementById("bannerbtn"+i).className="off";
        }
     
	  document.getElementById("bannerbtn"+bannerno).className="on";
        
    }
}


fadeout();
}

function show(no) {
    clearTimeout(timer);
    clearInterval(itv);
    if(no==0) no=bannercnt;
    if(no>bannercnt) no=1;
    bannerno=no;
    opac = 100;
    var fg = document.getElementById("bannerfg");
    var fga = document.getElementById("bannerfga");
    fg.src=picArgv.IMG[bannerno];//"images/"+bannerno+".jpg";
    fg.style.width='284px';
    fg.style.height='191px';
    fga.href=picArgv.A[bannerno];
    alpha(fg,opac);
    for(i=1;i<=bannercnt;i++) {
      
	   document.getElementById("bannerbtn"+i).className="off";
    }
  
    document.getElementById("bannerbtn"+bannerno).className="on";
    play();
}



function js_mun(num){
	var totalnum=3;
	
	for(var i=1;i<=totalnum;i++)
	{
		var js_id=document.getElementById("js_"+i);
		
		var menu=document.getElementById("menu"+i);
		if(i==num)
		{
		if(js_id.style.display=="none")
		{
		   js_id.style.display="block";	
		   menu.className="gl_on1";
		}
		else{
			
			js_id.style.display="none";
			menu.className="gl_off1";
			}
		}
		
		else{
			js_id.style.display="none";
			menu.className="gl_off1";
			
			}
	
		
		}
	}