function getPageSize() {

  var xScroll,yScroll;
  if(window.innerHeight && window.scrollMaxY) {
	xScroll = window.innerWidth + window.scrollMaxX;
	yScroll = window.innerHeight + window.scrollMaxY;
  } else if (document.body.scrollHeight > document.body.offsetHeight) {
	xScroll = document.body.scrollWidth;
	yScroll = document.body.scrollHeight;
  } else {
	xScroll = document.body.offsetWidth;
	yScroll = document.body.offsetHeight;
  }
  var windowWidth,windowHeight;
  if( self.innerHeight ) {
	if(document.documentElement.clientWidth){
	  windowWidth = document.documentElement.clientWidth;
	} else {
	  windowWidth = self.innerWidth;
	}
	windowHeight = self.innerHeight;
  } else if (document.documentElement && document.documentElement.clientHeight) {
	windowWidth = document.documentElement.clientWidth;
	windowHeight = document.documentElement.clientHeight;
  } else if (document.body) {
	windowWidth = document.body.clientWidth;
	windowHeight = document.body.clientHeight;

  }

  if(yScroll < windowHeight){
	pageHeight=windowHeight;
  }else{
	pageHeight=yScroll;
  }
  if(xScroll<windowWidth) {
	pageWidth=xScroll;
  }else{
	pageWidth=windowWidth;
  }
  pSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
  return pSize;
}

$(window).resize(function() {
  var pSize = getPageSize();
  $("#album_overlay").css({ width: pSize[0], height: pSize[1] });
});