Bug 118784 Relative path cannot be used in report property for drill-through link.
Description: Relative path cannot be used in report property for drill-through link. Steps to reproduce: 1. New a report as report1, insert a label and define a bookmark on it. 2. New a report as report2, insert a label and define a drill-through link, input report1 name in report property but got warning about invalid report design. Expected result: Relative path can be used here. Actual result: It is not recognized.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HyperlinkBuilder.java
UIUtil.createBlankLabel( composite );
		uriRadio = new Button( composite, SWT.RADIO );
		uriRadio.setText( RADIO_URI );
		addRadioListener( uriRadio,
				DesignChoiceConstants.ACTION_LINK_TYPE_HYPERLINK );
		UIUtil.createBlankLabel( composite );
		bookmarkRadio = new Button( composite, SWT.RADIO );
		bookmarkRadio.setText( RADIO_BOOKMARK );
		addRadioListener( bookmarkRadio,
				DesignChoiceConstants.ACTION_LINK_TYPE_BOOKMARK_LINK );
		UIUtil.createBlankLabel( composite );
		drillRadio = new Button( composite, SWT.RADIO );
		drillRadio.setText( RADIO_DRILLTHROUGH );
		addRadioListener( drillRadio,
				DesignChoiceConstants.ACTION_LINK_TYPE_DRILL_THROUGH );
	}
	private void switchTo( String type )
	{
		selectedType = type;
		clearArea( );
		closeReport( );
		if ( DesignChoiceConstants.ACTION_LINK_TYPE_HYPERLINK.equals( type ) )
		{
			switchToURI( );
		}
		else if ( DesignChoiceConstants.ACTION_LINK_TYPE_BOOKMARK_LINK.equals( type ) )
		{
			switchToBookmark( );
		}
		else if ( DesignChoiceConstants.ACTION_LINK_TYPE_DRILL_THROUGH.equals( type ) )