config maven compiler & surefire plugin for different jdk

	<plugin>
		<artifactId>maven-compiler-plugin</artifactId>
		<version>3.1</version>
		<configuration>
			<verbose>true</verbose>
			<fork>true</fork>
			<executable>/path/to/your/jdk6/bin/javac</executable>
			<compilerVersion>1.6</compilerVersion>
			<source>1.6</source>
			<target>1.6</target>
		</configuration>
	</plugin>
	<plugin>
		<artifactId>maven-surefire-plugin</artifactId>
		<version>2.17</version>
		<configuration>
			<useSystemClassLoader>true</useSystemClassLoader>
			<jvm>/path/to/your/jdk6/bin/java</jvm>  
			<reuseForks>false</reuseForks>
		</configuration>
	</plugin>