Problem with Plugin Installation of SAP widget Developement tool in Eclipse

Dear All

I am faceing problem while installation of SAP widget Developement tools in Eclipse. Please help me Out.

I have Downloaded Eclipse and also SAP Widget Developement tools.zip

When I try to Install the Plugin for SAP Widget developement I get an error saying "Install has encountered a problem.Cannot Complete the install because one or more required items could not be found". When I click on Detail to see teh details following error log is displayed :

+Cannot complete the install because one or more required items could not be found.

Software currently installed: SAP Widget Development Tools 0.13.0.1376 (corp.sap.pal.gadgets.tools.widgetTools.feature.group 0.13.0.1376)

Missing requirement: Structured Source JavaScript Model 1.0.101.v200706071955 (org.eclipse.wst.javascript.core 1.0.101.v200706071955) requires 'bundle com.ibm.icu [3.4.4,4.0.0)' but it could not be found

Cannot satisfy dependency:

From: SAP Widget UI Designer 0.13.0.1376 (corp.sap.pal.gadgets.tools.uidesigner 0.13.0.1376)

To: bundle org.eclipse.wst.javascript.core 0.0.0

Cannot satisfy dependency:

From: SAP Widget UI Designer 0.13.0.1376 (corp.sap.pal.gadgets.tools.uidesigner.feature.group 0.13.0.1376)

To: corp.sap.pal.gadgets.tools.uidesigner [0.13.0.1376]

Cannot satisfy dependency:

From: SAP Widget Development Tools 0.13.0.1376 (corp.sap.pal.gadgets.tools.widgetTools.feature.group 0.13.0.1376)

To: corp.sap.pal.gadgets.tools.uidesigner.feature.group [0.13.0.1376]+

I require your help in this .

Regards,

Nikhil