$(function(){
	initRollOverImages();
	initFuwaFuwaImages();
	targetLink();
})


function initRollOverImages() {
  var image_cache = new Object();
  $("img.swap").each(function(i) {
    var imgsrc = this.src;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_on = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_on;
    $(this).hover(
      function() { this.src = imgsrc_on; },
      function() { this.src = imgsrc; });
  });
}

function initFuwaFuwaImages() {
  var image_cache = new Object();
  $("img.fuwafuwa").each(function(i) {
    var imgsrc = this.src;
	var imgWidth = this.width;
	var imgHeight = this.height;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_on = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_on;
    $(this).parent('a').css({'width':imgWidth,'height':imgHeight,'display':'block','zoom':1,'background-image':'url('+imgsrc_on+')','background-position':'top'});
    $(this).hover(
      function() { $(this).fadeTo("fast", 0); },
      function() { $(this).fadeTo("fast", 100); });
  });
}


function targetLink() {
	$(".entrybody a").each(function() {
		$(this).attr('target','_blank');
	});
}

function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 25);
    }
}

	var addthis_share = {
		templates: {twitter: '{{title}} {{url}}'}
	}
	var addthis_config = {
	ui_language: "ja",
	services_compact: ' hatena, delicious, yahoo, more, google ,tumblr ',
	//services_compact: ' twitter, evernote, hatena, delicious, google, instapaper, readitlater, facebook, tumblr, email, gmail, more ',
	services_exclude: ' print,email,facebook ,twitter'
	}