JQuery Script works with new document, but not with saved ones - xpages

Question

Here is what I have :
Lotus database (8.5.3) with jQuery and jQueryUI included
form1 is a form with just one field.
It is set to
"On open - Automatically enable Edit mode"
"On Open - Display XPage instead : xpage1"
"On Web Access - Display XPage instead : xpage1"
xpage1 is an xpage. It contains :
An inputBox linked to the field in form1
A button that calls a small script, just alert("some text")
A jQuery script is included on the page. It's a draggable Panel. It's all there is to it. Just a panel that you can drag on the page.
view1 is a view displaying documents based on form1
Now my problem :
If launch the Xpage in my browser (Chrome or IE), it behaves normaly : I can see my alert when I click on the button, I can drag my panel on the page, I can fill my field, I can save the document.
When I open it later, however, the Xpage opens and display the field data, but my scripts don't work : impossible to save the document, move the panel, display the alert.
If I launch the Xpage in my Lotus client, it works !
If I remove my jQuery reference and my movable panel, the other scripts work.
Did I forget something ? Is it some kind of known problem?
Here is my Xpage source, for reference :
<?xml version="1.0" encoding="UTF-8"?>
<xp:view xmlns:xp="http://www.ibm.com/xsp/core">
<!-- THIS WHERE I MAKE JQUERY AVAILABLE -->
<script src="js/jquery-1.9.1.js"></script>
<script src="js/jquery-ui-1.10.3.custom.js"></script>
<!-- THIS IS MY DATA BINDING -->
<xp:this.data>
<xp:dominoDocument var="ds1" formName="form1"></xp:dominoDocument>
</xp:this.data>
<!-- THIS IS MY FIELD -->
<xp:br></xp:br>
Field1 : <xp:inputText id="field1" value="#{ds1.field1}"></xp:inputText>
<xp:br></xp:br><xp:br></xp:br>
<!-- THIS IS MY PROMPT BUTTON -->
<xp:button value="Alert" id="button2">
<xp:eventHandler event="onclick" submit="false">
<xp:this.script><![CDATA[alert("Waring!")]]></xp:this.script>
</xp:eventHandler>
</xp:button>
<xp:br></xp:br><xp:br></xp:br>
<!-- THIS IS MY MOVABLE PANEL -->
<xp:panel id="myPan01"
style="height:120px;width:120px;background-color:rgb(0,64,128)">
<xp:this.attrs>
<xp:attr name="class" value="dragItem"></xp:attr>
</xp:this.attrs>
<xp:div style="text-align:center">
<xp:span style="font-weight:bold;color:rgb(255,255,255)">
</xp:span>
</xp:div>
<xp:div style="text-align:center">
<xp:span style="font-weight:bold;color:rgb(255,255,255)">
Move Me!
</xp:span>
</xp:div>
</xp:panel>
<script>
XSP.addOnLoad(function(){ $(".dragItem").draggable({ grid: [
40,40 ]}); })
</script>
<xp:br></xp:br>
<!-- THIS IS MY SAVE BUTTON -->
<xp:button value="Save" id="button1">
<xp:eventHandler event="onclick" submit="true"
refreshMode="complete" immediate="false" save="true">
</xp:eventHandler>
<!-- THIS IS THE END... -->
</xp:button>
</xp:view>

Answer 1

You're including jquery via a standard HTML <script> tag, this may lead to problems since this will be placed in the HTML body instead of the header.
Use the XPage's resource's property. Add some client side JavaScript library with in the XPage ressources properties, then go to the source of the XPage, locate the xp tag that includes the JavaScript library and change it's URL so that your jquery resource is included.
I'm not 100% sure that this solves your problem, but since your code looks good otherwise it's worth a try.