function getExpDate(days, hours, minutes) {

    var expDate = new Date( );

    if (typeof days == "number" && typeof hours == "number" && 

        typeof hours == "number") {

        expDate.setDate(expDate.getDate( ) + parseInt(days));

        expDate.setHours(expDate.getHours( ) + parseInt(hours));

        expDate.setMinutes(expDate.getMinutes( ) + parseInt(minutes));

        return expDate.toGMTString( );

    }

}

   

// utility function called by getCookie( )

function getCookieVal(offset) {

    var endstr = document.cookie.indexOf (";", offset);

    if (endstr == -1) {

        endstr = document.cookie.length;

    }

    return unescape(document.cookie.substring(offset, endstr));

}

   

// primary function to retrieve cookie by name

function getCookie(name) {

    var arg = name + "=";

    var alen = arg.length;

    var clen = document.cookie.length;

    var i = 0;

    while (i < clen) {

        var j = i + alen;

        if (document.cookie.substring(i, j) == arg) {

            return getCookieVal(j);

        }

        i = document.cookie.indexOf(" ", i) + 1;

        if (i == 0) break; 

    }

    return "";

}

   

// store cookie value with optional details as needed

function setCookie(name, value, expires, path, domain, secure) {

    document.cookie = name + "=" + escape (value) +

        ((expires) ? "; expires=" + expires : "") +

        ((path) ? "; path=" + path : "") +

        ((domain) ? "; domain=" + domain : "") +

        ((secure) ? "; secure" : "");

}

   

// remove the cookie by setting ancient expiration date

function deleteCookie(name,path,domain) {

    if (getCookie(name)) {

        document.cookie = name + "=" +

            ((path) ? "; path=" + path : "") +

            ((domain) ? "; domain=" + domain : "") +

            "; expires=Thu, 01-Jan-70 00:00:01 GMT";

    }

}
//-----------------------------------------------------

var i=0;
var pic=1;
function prevImg() {  
  if(i==0) {
  alert("The Begin!");
  return;
  }
  ck_count();
  count();
  i--;
  pic--;
  loading('y');
  document.getElementById("xxx").src=mak_src(img[i]);
  document.getElementById("select_page").options[i].selected=true;
}
function nextImg() {  
  if(i==img.length-1) {
  alert("The End!");
  return;
  }
  ck_count();
  count();
  i++;
  pic++;
  loading('y');
  document.getElementById("xxx").src=mak_src(img[i]);
  document.getElementById("select_page").options[i].selected=true;
}
function fil_sel(sel_id) {
var temp_page;
for (j=0;j<img.length;j++){
temp_page="page"+mak_page(j+1);
document.getElementById(sel_id).options[j]=new Option(temp_page,img[j],true,true);
document.getElementById(sel_id).options[0].selected=true;
}
}
function sel_img(page) {
ck_count();
count();
loading('y');
document.getElementById("xxx").src=mak_src(page);
i=img.indexOf(page);
pic=img.indexOf(page)+1;
document.getElementById("asd").focus();
}
function mak_page(in_int) {
var temp_int=in_int;
if (in_int<10) {
temp_int="0"+"0"+String(in_int);
}   
if (in_int>9 && in_int<100) {
temp_int="0"+String(in_int);
} 
return temp_int;
}
function mak_src(in_src) {
return in_src+".jpg";
}
function count () {
    var temp_count =  Number(getCookie("count"));
	temp_count++;
	setCookie("count",temp_count,getExpDate(1,0,0),"/","futahentai.com");  
}
function loading (yon) {
if (yon=="y"){
document.getElementById("loadimg").style.display="block";
}
else {
document.getElementById("loadimg").style.display="none";
}
}

function ck_count() {
if (Number(getCookie("count"))>300) {
window.location="nextday.html";
}
}

Array.prototype.indexOf=function(substr,start){
	var ta,rt,d='\0';
	if(start!=null){ta=this.slice(start);rt=start;}else{ta=this;rt=0;}
	var str=d+ta.join(d)+d,t=str.indexOf(d+substr+d);
	if(t==-1)return -1;rt+=str.slice(0,t).replace(/[^\0]/g,'').length;
	return rt;
}