var ddojpAd = function(){//Begin Class Definition
var ddojpAdWidth=300;
var ddojpAdHeight=250;
var ddojpAdSubType='';
var cvname="cv"+Math.random();
document.write('<canvas id="'+cvname+'" width="'+ddojpAdWidth+'" height="'+ddojpAdHeight+'"');
document.write(' style="vertical-align: text-bottom; cursor: pointer;"');
document.write('>');
document.write('<a href="https://ddo.jp/" target="_blank"><img src="https://ad.ddo.jp/img/'+ddojpAdWidth+'x'+ddojpAdHeight+ddojpAdSubType+'.png" border="0" style="vertical-align: text-bottom;"></a>');
document.write('</canvas>');

var tic=0;
var itv=125;
var cv = document.getElementById(cvname);
if(!cv.getContext) return;
var ctx = cv.getContext('2d');
var message="Powered by ddo.jp";
var showbegin=2200+Math.random()*1200;

var loop=function(){
  //////
  ctx.fillStyle = "#408040";
  ctx.fillRect(0,0,cv.width,cv.height);
  var bw=12;
  var bh=8;
  var gap = 3;
  var nx=Math.floor((cv.width-gap)/(bw+gap));
  var ny=Math.floor((cv.height-gap)/(bh+gap));
  bw = (cv.width-gap*(nx+1))/nx;
  bh = (cv.height-gap*(ny+1))/ny;

  var ix, iy;
  for(iy=0; iy<ny; iy++)
  for(ix=0; ix<nx; ix++)
  {
    var x=gap+(bw+gap)*ix;
    var y=gap+(bh+gap)*iy;
    var colG= Math.floor(255*(
              0.2*(Math.sin(
                            2*Math.PI*(ix/80-iy/50+Math.sin(tic/30/1000)*8)
                          )+1)/2
              +0.05*Math.random()
              +0.3
	      -((Math.random()*100<=2)?0.1:0)
      ));
    if(colG<0)colG=0;
    var colR=Math.floor(colG/2);
    var colB=Math.floor(colG/2);
    ctx.fillStyle = 'rgb('+colR+','+colG+','+colB+')';
    ctx.fillRect(x,y,bw,bh);
  }

  //////
  var len=Math.floor((tic-showbegin)/itv);
  if(len<0)len=0;
  if(len>message.length)len=message.length;

  var str=message.substring(0,len);
  ctx.font=(ddojpAdHeight<=50)?"12pt 'Arial'":"20pt 'Gungsuh'";
  var cur=(Math.floor(tic/itv/2)%2==0)?"_":"";
  var strw=ctx.measureText(message+"_").width;
  var strh=ctx.measureText("M").width;
  x=cv.width/2-strw/2+(cv.width/cv.height>2?(cv.width-strw)/2*0.75:0);
  y=cv.height/2+strh/2;
  ctx.fillStyle = 'rgb(120,240,120)';
  ctx.fillRect(x,y-strh,ctx.measureText(str+'_').width,strh*1.2);
  ctx.fillStyle = 'rgb(0,20,0)';
  ctx.fillText(str+cur,x,y);

  setTimeout(loop,itv);
  tic=tic+itv;
  if(tic>30000) tic=0;
}

cv.addEventListener('click', cvOnClick, false);
function cvOnClick(e){
  window.open('https://ddo.jp/','_blank');
}

loop();
}//End Class ddojpAd Definition
new ddojpAd;