Fix for mbielanczuk#7 : Weeks numbers

Author: Marek Bielańczuk

index.htm

@@ -5,14 +5,14 @@
         <meta http-equiv="Content-type" content="text/html; charset=UTF-8" />
         <meta content="Marek Bielanczuk" name="Author" />
 		<script src="js/jquery-1.5.1.min.js" type="text/javascript"></script>
-		<script src="js/jquery.fn.gantt.js" type="text/javascript"></script>
+		<script src="js/jquery.fn.gantt.min.js" type="text/javascript"></script>
         <link rel="stylesheet" href="style.css" type="text/css" media="screen" />
         <script type="text/javascript">
         <!--
 	        jQuery(function () {
 	        	var dataPath = location.href.substring(0, location.href.lastIndexOf('/')+1);
-	        	$(".gantt").gantt({source: dataPath + "js/dataHours.js", navigate: 'scroll', scale: 'hours', maxScale: 'hours', minScale: 'hours', hollydays: ["\/Date(1293836400000)\/","\/Date(1294268400000)\/","\/Date(1303596000000)\/","\/Date(1306274400000)\/","\/Date(1304200800000)\/","\/Date(1304373600000)\/","\/Date(1307829600000)\/","\/Date(1308780000000)\/","\/Date(1313359200000)\/","\/Date(1320105600000)\/","\/Date(1320966000000)\/","\/Date(1324767600000)\/","\/Date(1324854000000)\/","\/Date(1325372400000)\/","\/Date(1325804400000)\/","\/Date(1333836000000)\/","\/Date(1336514400000)\/","\/Date(1335823200000)\/","\/Date(1335996000000)\/","\/Date(1338069600000)\/","\/Date(1339020000000)\/","\/Date(1344981600000)\/","\/Date(1351724400000)\/","\/Date(1352588400000)\/","\/Date(1356390000000)\/","\/Date(1356476400000)\/"]});
-	        	//$(".gantt2").gantt({source: dataPath + "js/dataDays.js", navigate: 'scroll', scale: 'days', maxScale: 'weeks', minScale: 'days', hollydays: ["\/Date(1293836400000)\/","\/Date(1294268400000)\/","\/Date(1303596000000)\/","\/Date(1306274400000)\/","\/Date(1304200800000)\/","\/Date(1304373600000)\/","\/Date(1307829600000)\/","\/Date(1308780000000)\/","\/Date(1313359200000)\/","\/Date(1320105600000)\/","\/Date(1320966000000)\/","\/Date(1324767600000)\/","\/Date(1324854000000)\/","\/Date(1325372400000)\/","\/Date(1325804400000)\/","\/Date(1333836000000)\/","\/Date(1336514400000)\/","\/Date(1335823200000)\/","\/Date(1335996000000)\/","\/Date(1338069600000)\/","\/Date(1339020000000)\/","\/Date(1344981600000)\/","\/Date(1351724400000)\/","\/Date(1352588400000)\/","\/Date(1356390000000)\/","\/Date(1356476400000)\/"]});
+	        	//$(".gantt").gantt({source: dataPath + "js/dataHours.js", navigate: 'scroll', scale: 'hours', maxScale: 'hours', minScale: 'hours', hollydays: ["\/Date(1293836400000)\/","\/Date(1294268400000)\/","\/Date(1303596000000)\/","\/Date(1306274400000)\/","\/Date(1304200800000)\/","\/Date(1304373600000)\/","\/Date(1307829600000)\/","\/Date(1308780000000)\/","\/Date(1313359200000)\/","\/Date(1320105600000)\/","\/Date(1320966000000)\/","\/Date(1324767600000)\/","\/Date(1324854000000)\/","\/Date(1325372400000)\/","\/Date(1325804400000)\/","\/Date(1333836000000)\/","\/Date(1336514400000)\/","\/Date(1335823200000)\/","\/Date(1335996000000)\/","\/Date(1338069600000)\/","\/Date(1339020000000)\/","\/Date(1344981600000)\/","\/Date(1351724400000)\/","\/Date(1352588400000)\/","\/Date(1356390000000)\/","\/Date(1356476400000)\/"]});
+	        	$(".gantt").gantt({source: dataPath + "js/dataDays.js", navigate: 'scroll', scale: 'days', maxScale: 'weeks', minScale: 'days', hollydays: ["\/Date(1293836400000)\/","\/Date(1294268400000)\/","\/Date(1303596000000)\/","\/Date(1306274400000)\/","\/Date(1304200800000)\/","\/Date(1304373600000)\/","\/Date(1307829600000)\/","\/Date(1308780000000)\/","\/Date(1313359200000)\/","\/Date(1320105600000)\/","\/Date(1320966000000)\/","\/Date(1324767600000)\/","\/Date(1324854000000)\/","\/Date(1325372400000)\/","\/Date(1325804400000)\/","\/Date(1333836000000)\/","\/Date(1336514400000)\/","\/Date(1335823200000)\/","\/Date(1335996000000)\/","\/Date(1338069600000)\/","\/Date(1339020000000)\/","\/Date(1344981600000)\/","\/Date(1351724400000)\/","\/Date(1352588400000)\/","\/Date(1356390000000)\/","\/Date(1356476400000)\/"]});
 	        });
         -->
         </script>

js/jquery.fn.gantt.js

@@ -101,10 +101,10 @@
 			if ((df.getMonth() == dt.getMonth())
 			 || (df.getMonth() != dt.getMonth() && dt.getDate() >= 4))
 			{
-				return new Date(dt.getTime());
+				return new Date(dt.setDate(dt.getDate()-3));
 			} else 
 			{
-				return new Date(df.getTime());
+				return new Date(df.setDate(df.getDate()+3));
 			}
 		};
 
@@ -172,6 +172,7 @@
 						hPos = hPos > 0 ? 0 : hPos;
 						$dataPanel.css({'margin-left': hPos+'px'});
 						element.scrollNavigation.panelMargin = hPos;
+						element.hPosition = hPos;
 						element.scaleOldWidth = null;
 					} else {
 						$dataPanel.css({'margin-left': element.hPosition+'px'});