function closePopup() {
			 document.getElementById("twinningsPopUp").style.display = "none";
			}
			function locationMaintainer() {
			 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;
			 }
			 
			 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 - 820) / 2;
			 var topOffset = scrolledY + (centerY - 400) / 2;
			 document.getElementById("twinningsPopUp").style.top = topOffset + "px";
			 document.getElementById("twinningsPopUp").style.left = leftOffset + "px";

			 
			}
			function showPopup() {
			 locationMaintainer();
			 document.getElementById("twinningsPopUp").style.display = "block";
			 document.body.onscroll = locationMaintainer;
			 window.onscroll = locationMaintainer; 
			}
			document.body.onload = window.setTimeout("showPopup()", 2000);