// JavaScript Document
function mixArray(source){
	var goal=[];
	for(var i=0;i<source.length;i++){
		var pos=Math.floor(Math.random()*(source.length-i));
		goal[i]=source[pos];
		source[pos]=source[source.length-1-i];
	}
	return goal;
}
var Ro = new Array();
for (var x=0;x<sImg.length ;x++ ){
	Ro[x]=x;
}
Ro=mixArray(Ro);
for (var j=0; j<ShowCount; j++){
	str += "<div><img src='" + sImg[Ro[j]] + "' /></div>";
}
document.getElementById("radomimg").innerHTML=str;
fadeFocus('play', 5000);
function resizeImg(){
	var w = $(window).width();
	var h = $(window).height();
	var image_scale = 1680/868;
	var window_scale = w/h;
	if (image_scale>window_scale){
		var wid = Math.floor(h*image_scale);
		$('#radomimg img').width(wid);
		$('#radomimg img').height(h);
	}else{
		var hei = Math.floor(w/image_scale);
		$('#radomimg img').width(w);
		$('#radomimg img').height(hei);
	}
}

function writeCookie(name,value,expires,path,domain){
	var str=name+"="+escape(value);
	if(expires!=""){
		var date=new Date();
		date.setTime(date.getTime()+expires*24*3600*1000);//expires单位为天
		str+=";expires="+date.toGMTString();
	}
	if(path!=""){
		str+=";path="+path;//指定可访问cookie的目录
	}
	if(domain!=""){
		str+=";domain="+domain;//指定可访问cookie的域
	}
	document.cookie=str;
	window.location.reload();
}