function ajaxFunction()
				{
					var xmlhttp;
					
					if (window.XMLHttpRequest)
					  {
					  // code for IE7+, Firefox, Chrome, Opera, Safari
					  document.write('<link rel="stylesheet" href="css/layout.css" type="text/css" />');
					  }
					else if (window.ActiveXObject)
					  {
					  // code for IE6, IE5
					   document.write('<link rel="stylesheet" href="css/ie6.css" type="text/css" />');
					  }
				  
				}
				ajaxFunction();