// JavaScript Document
var bWidth = 526;
var bHeight = 201;
var bArr = new Array();
var btnArr = new Array();

var timer = 0;
var nowid = 0;
function initBanner(){
	tempstr = "";
	iconstr = "";
	for(i=0;i<bArr.length;i++){
		if(bArr[i][1] != ""){
		 tempstr = tempstr + '<div id="b'+i+'_banner" style="display:none"><a href="'+bArr[i][1]+'" target="'+bArr[i][2]+'"><img src="'+bArr[i][0]+'" border="0" width="'+bWidth+'" height="'+bHeight+'"></a></div>';
		}else{
			tempstr = tempstr + '<div id="b'+i+'_banner" style="display:none"><img src="'+bArr[i][0]+'" border="0" width="'+bWidth+'" height="'+bHeight+'"></div>';
		}
		iconstr = iconstr +'<span style="padding-right:10px;"><img id="btn'+i+'_icon" src="images/index_banner_number_'+(i+1)+'.jpg" width="15" height="15" onmouseover="changepic(this,'+i+',1);" onmouseout="changepic(this,'+i+',2);" onclick="setpicshow(this,'+i+')"></span>';
	}
	if(tempstr != ""){
		var r_banner = document.getElementById("r_banner");
		r_banner.innerHTML = tempstr +'<div style="text-align:right;padding-top:0px;position:absolute;top:170px;right:10px">'+iconstr+'</div>';
		showbanner(0);
	}
}

function showbanner(val){
	clearInterval(timer);
	for(i=0;i<bArr.length;i++){
		var banner = document.getElementById("b"+i+"_banner");
		var btn = document.getElementById("btn"+i+"_icon");
		if(i == val){
			banner.style.display = "block";
			btn.src = "images/index_banner_number_on_"+(i+1)+".jpg";
		}else{
			banner.style.display = "none";
			btn.src = "images/index_banner_number_"+(i+1)+".jpg";
		}
	}
	nowid = val;
	timer = setInterval("shownext()",5000);
}

function shownext(){
	a = nowid + 1;
	if(a >= bArr.length){
		a = 0;
	}
	showbanner(a);
}
function changepic(obj,val,tt){
	if(nowid != val){
		if(tt == 1){
			obj.src = "images/index_banner_number_on_"+(val+1)+".jpg";
		}else{
			obj.src = "images/index_banner_number_"+(val+1)+".jpg";
		}
	}
}
function setpicshow(obj,val){
	showbanner(val);
	obj.src = "images/index_banner_number_on_"+(val+1)+".jpg";
}