JSFX.Rollover("button1", "../images/nh_button1_on.gif");
	JSFX.Rollover("button2", "../images/nh_button2_on.gif");
	JSFX.Rollover("button3", "../images/nh_button3_on.gif");
	JSFX.Rollover("button4", "../images/nh_button4_on.gif");
	JSFX.Rollover("button5", "../images/nh_button5_on.gif");
	JSFX.Rollover("button6", "../images/nh_button6_on.gif");
	JSFX.Rollover("button7", "../images/nh_button7_on.gif");
	JSFX.Rollover("button8", "../images/nh_button8_on.gif");