In the following XML I would accept the URL Links on a node to be enabled as a default, this is not the case.
<chart palette='2' xAxisMinValue='0' xAxisMaxValue='100' yAxisMinValue='0' yAxisMaxValue='100' is3D='1' showFormBtn='1' viewMode='1' allowDrag='0' showformbtn='0' enableLinks='1' >
<dataset plotBorderAlpha='0' allowDrag='0' showformbtn='0' >
<set x='8' y='69' width='110' height='90' name='Desktop' color='FE3233' id='pc1' imageNode='1' imageurl='Resources/desktop.png' labelAlign='top' imageAlign='middle' alpha='0' imageWidth='107' imageHeight='67' toolText='Name: PC1 <BR>IP: 202.11.32.123 <BR>Owner: Harry Mac' allowDrag='1'/>
<set x='8' y='30' width='108' height='90' name='Laptop111' color='33C1FE' id='pc2' imageNode='1' imageurl='Resources/laptop.png' labelAlign='top' alpha='0' imageAlign='middle' imageWidth='98' imageHeight='67' toolText='Name: PC2 <BR>IP: 202.11.32.124 <BR>Owner: Jim Terry' allowDrag='0' enableLinks='1' link='http://www.InfoSoftGlobal.com'/>
<set x='19' y='50' radius='40' shape='circle' name='Internet' color='33C1FE' id='internet' allowDrag='1'/>
<set x='44' y='50' width='106' height='64' name='Firewall' color='33C1FE' id='firewall' imageNode='1' imageurl='Resources/firewall.png' labelAlign='middle' alpha='0' imageWidth='106' imageHeight='64' toolText='Name: Firewall <BR>IP: 202.110.00.00 <BR>Owner: Group Network' allowDrag='1'/>
<set x='44' y='70' width='60' height='96' name='Branch Head Office' color='33C1FE' id='BO3' imageNode='1' imageurl='Resources/server.png' labelAlign='top' alpha='0' imageWidth='57' imageHeight='70' imageAlign='bottom' allowDrag='1'/>
<set x='34' y='90' width='70' height='86' name='Branch Office 1' color='33C1FE' id='BO1' imageNode='1' imageurl='Resources/terminal.png' alpha='0' imageWidth='64' imageHeight='65' imageAlign='bottom' labelAlign='top'/>
<set x='54' y='90' width='70' height='86' name='Branch Office 2' color='33C1FE' id='BO2' imageNode='1' imageurl='Resources/terminal.png' alpha='0' imageWidth='64' imageHeight='65' imageAlign='bottom' labelAlign='top'/>
<set x='44' y='85' width='50' height='40' name='Branch Network' color='33C1FE' id='null' alpha='0' />
<set x='44' y='30' width='60' height='86' name='Head Office' color='33C1FE' id='PHO' imageNode='1' imageurl='Resources/server.png' alpha='0' imageWidth='57' imageHeight='70' imageAlign='bottom' labelAlign='top' allowDrag='1'/>
<set x='34' y='20' width='70' height='86' name='Branch Office 1' color='33C1FE' id='PN1' imageNode='1' imageurl='Resources/terminal.png' alpha='0' imageWidth='64' imageHeight='65' imageAlign='bottom' labelAlign='top'/>
<set x='54' y='20' width='80' height='94' name='Branch Office 2' color='33C1FE' id='PN2' imageNode='1' imageurl='Resources/exchange_server.png' alpha='0' imageWidth='79' imageHeight='80' imageAlign='bottom' labelAlign='top'/>
<set x='44' y='8' width='60' height='86' name='Head Office' color='33C1FE' id='PN3' imageNode='1' imageurl='Resources/server.png' alpha='0' imageWidth='64' imageHeight='65' imageAlign='top' labelAlign='bottom'/>
<set x='44' y='18' width='55' height='46' name='Perimeter Network' color='33C1FE' id='null3' alpha='0' />
<set x='64' y='60' width='60' height='86' name='Head Office' color='33C1FE' id='CNS' imageNode='1' imageurl='Resources/server.png' alpha='0' imageWidth='57' imageHeight='70' imageAlign='bottom' labelAlign='top' allowDrag='1'/>
<set x='78' y='70' width='70' height='86' name='Branch Office 1' color='33C1FE' id='CN1' imageNode='1' imageurl='Resources/terminal.png' alpha='0' imageWidth='64' imageHeight='65' imageAlign='bottom' labelAlign='top' allowDrag='1'/>
<set x='88' y='60' width='80' height='96' name='Exchange Server' color='33C1FE' id='CN2' imageNode='1' imageurl='Resources/exchange_server.png' alpha='0' imageWidth='79' imageHeight='80' imageAlign='bottom' labelAlign='top' allowDrag='1'/>
<set x='78' y='30' width='70' height='94' name='CRM Server' color='33C1FE' id='CN3' imageNode='1' imageurl='Resources/server.png' alpha='0' imageWidth='57' imageHeight='69' imageAlign='top' labelAlign='bottom' allowDrag='1'/>
<set x='64' y='40' width='70' height='90' name='Catalogue Server' color='33C1FE' id='CN4' imageNode='1' imageurl='Resources/04.png' alpha='0' imageWidth='65' imageHeight='72' imageAlign='top' labelAlign='bottom' allowDrag='1'/>
<set x='88' y='40' width='60' height='90' name='2003 Server' color='33C1FE' id='CN5' imageNode='1' imageurl='Resources/05.png' alpha='0' imageWidth='56' imageHeight='68' imageAlign='top' labelAlign='bottom' allowDrag='1'/>
<set x='77' y='50' width='55' height='46' name='Corporate Network' color='33C1FE' id='null2' alpha='0' />
</dataset>
<connectors color='FF0000' stdThickness='5'>
<connector strength='1.5' from='pc1' label ='10/100Mbps' to='internet' color='BBBB00' arrowAtStart='0' arrowAtEnd='0'/>
<connector strength='1.5' from='pc2' to='internet' label ='10/100Mbps' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='2' label='T1 Line' from='internet' to='firewall' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='1.8' from='BO3' to='firewall' label='Secured' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='BO3' to='BO1' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='BO3' to='BO2' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='1.8' from='PHO' to='firewall' label='Secured' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='CN1' to='CN2' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='CN5' to='CN2' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='CN5' to='CN3' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='CN4' to='CN3' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='CN4' to='CNS' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
<connector strength='0.8' from='CN1' to='CNS' color='BBBB00' arrowAtStart='0' arrowAtEnd='0' />
</connectors>
<vTrendlines>
<line startValue='0' endValue='30' color='FF0000' alpha='5' displayValue='External Network' isTrendZone='1'/>
<line startValue='30' endValue='60' color='00FF00' alpha='5' displayValue='Middleware' isTrendZone='1'/>
<line startValue='60' endValue='100' color='0000FF' alpha='5' displayValue='Internal Network' isTrendZone='1'/>
</vTrendlines>
<styles>
<definition>
<style name='myHTMLFont' type='font' isHTML='1' />
</definition>
<application>
<apply toObject='DATALABELS' styles='myHTMLFont' />
<apply toObject='TOOLTIP' styles='myHTMLFont' />
</application>
</styles>
</chart>
