function DrawImage(ImgID,FitWidth,FitHeight) {
  var ImgD= document.getElementById(ImgID);
  
  var image=new Image();image.src=ImgD.src;
  if(image.width>0 && image.height>0){
    if(image.width/image.height>= FitWidth/FitHeight){
      if(image.width>FitWidth){ ImgD.width=FitWidth;ImgD.height=(image.height*FitWidth)/image.width;
      }else{ ImgD.width=image.width;ImgD.height=image.height; }
    }else{
      if(image.height>FitHeight){ ImgD.height=FitHeight;ImgD.width=(image.width*FitHeight)/image.height;
      }else{ ImgD.width=image.width;ImgD.height=image.height; }
    }
	ImgD.style.marginTop = ((FitHeight - ImgD.height )/2)+"px";
  	ImgD.style.marginBottom = ((FitHeight - ImgD.height )/2)+"px";
  }
}

function delayDo(func, sec){
	window.setTimeout(func,sec);
}