// JavaScript Document


	var  imageArray=new Array();
	var i=-1;
	var str="";

	function initImage(){
			 imageArray[0]=new Image()
			 imageArray[0].src="image/01.jpg"
			 imageArray[1]=new Image()
			 imageArray[1].src="image/02.jpg"
			 imageArray[2]=new Image()
			 imageArray[2].src="image/03.jpg"
			 imageArray[3]=new Image()
			 imageArray[3].src="image/04.jpg"
	
	}
	

	function writeButton(){
		for(var i=0;i<imageArray.length;i++)
		{
			str=str+"<div class='btn' id='btn"+i+"'><A href='javascript:void(0)' onclick='getCurrent("+i+")'>"+(i+1)+"</A></div>"
		}
	
			document.getElementById("buttonArea").innerHTML=str
		
	}

	function getCurrent(s){
		clearInterval(mytimout)
		var tp1 = document.getElementById('tp1');
		tp1.filters[0].apply();
		tp1.src=imageArray[s].src
		tp1.filters[0].play();
		getCurrentBtn(s)
		mytimout = setInterval("imagePlay()",4000);
		i=s
	}

	function imagePlay(){
		i=i+1
		if(i==imageArray.length)
		{
			i=0;
		}
	
		var tp1 = document.getElementById('tp1');
		tp1.filters[0].apply();
		tp1.src=imageArray[i].src;
		tp1.filters[0].play();
		getCurrentBtn(i)
	}

	function getCurrentBtn(num){
	
		for(var i=0;i<imageArray.length;i++)
		{
			var obj=document.getElementById("btn"+i);
				obj.style.backgroundColor="#FD9508";
		}
			
			var newObj=document.getElementById("btn"+num);
				newObj.style.backgroundColor="#C02E2E";
	}

	function writeFirstImage(){
		var tp1 = document.getElementById('tp1');
		tp1.filters[0].apply();
		tp1.src=imageArray[0].src;
		tp1.filters[0].play();
		getCurrentBtn(0)
		mytimout = setInterval("imagePlay()",4000);
	}

	function adImage(){
		var check=document.getElementById("buttonArea")
		if(!Boolean(check))
		{	
				return;
		}
		
		initImage()
		writeButton()
		writeFirstImage()
	
	}

function addFav(obj,vrl){
        try{
                obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
        }
        catch(e){
                if(window.netscape) {
                        try {
                                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
                        }  
                        catch (e)  { 
                                alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'");  
                        }
                        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                        prefs.setCharPref('browser.startup.homepage',vrl);
                 }
        }
}