$(document).ready(function() {	 

var screenWidth = document.documentElement.clientWidth; 
var screenHeight = document.documentElement.clientHeight; 

				var divHeight7= 420;
				var divWidth7= 500;
				
        var left2 = 0 + (screenWidth - divWidth7)/2; 
				if(divHeight7>=screenHeight-50) { var top2 = 0;  }  else { var top2 = 0 + (screenHeight - divHeight7)/2;   }
				
				$("#intro").css({ "position": "absolute", "top": top2, "left": left2 }); 
				$('#intro').fadeIn(1000); 
				$("#intro").css({ "visibility": "visible" }); 				
});