$(document).ready(
		function() {
			$("div.offerte").dialog({ 
				modal: true,
				autoOpen: true,
				overlay: {
					"background-color": "#fff",
					"opacity": "0.75",
					"-moz-opacity": "0.75"
				},
				height: 241,
				width: 400,
				position: [200,220],
				buttons: { 
					"Ok": function() { 
							$(this).dialog("close");
						}
				}  
			});
			$("#infoa").click(
				function() {
					$("div.offerte").dialog("close");
					return true;
				}
			);
		});