function fireDrinksPopup() {
	var scrolledX, scrolledY;
	if( self.pageYOffset ) {
	  scrolledX = self.pageXOffset;
	  scrolledY = self.pageYOffset;
	} else if( document.documentElement && document.documentElement.scrollTop ) {
	  scrolledX = document.documentElement.scrollLeft;
	  scrolledY = document.documentElement.scrollTop;
	} else if( document.body ) {
	  scrolledX = document.body.scrollLeft;
	  scrolledY = document.body.scrollTop;
	}

	// Determine the coordinates of the center of the page

	var centerX, centerY;
	if( self.innerHeight ) {
	  centerX = self.innerWidth;
	  centerY = self.innerHeight;
	} else if( document.documentElement && document.documentElement.clientHeight ) {
	  centerX = document.documentElement.clientWidth;
	  centerY = document.documentElement.clientHeight;
	} else if( document.body ) {
	  centerX = document.body.clientWidth;
	  centerY = document.body.clientHeight;
	}


	var leftOffset = scrolledX + (centerX - 250) / 2;
	var topOffset = scrolledY + (centerY - 200) / 2;

  document.getElementById("drinks_popup").style.top = topOffset + "px";
  document.getElementById("drinks_popup").style.left = leftOffset + "px";
  document.getElementById("drinks_popup").style.display = "block";
}