// beginning of Javascript script
if (parseInt(navigator.appVersion.substring(0,1))>=3) { // 3.0 or greater.
	  
	micro1_roll = new Image()
	micro1_off = new Image()

	micro1_off.src = 'images/nav_buttons/nav_home_off.gif';
	micro1_roll.src = 'images/nav_buttons/nav_home_roll.gif';
	
	micro2_roll = new Image()
	micro2_off = new Image()

	micro2_off.src = 'images/nav_buttons/nav_program_off.gif';
	micro2_roll.src = 'images/nav_buttons/nav_program_roll.gif';
	
	micro3_roll = new Image()
	micro3_off = new Image()

	micro3_off.src = 'images/nav_buttons/nav_curriculum_off.gif';
	micro3_roll.src = 'images/nav_buttons/nav_curriculum_roll.gif';
	
	micro4_roll = new Image()
	micro4_off = new Image()

	micro4_off.src = 'images/nav_buttons/nav_studentlife_off.gif';
	micro4_roll.src = 'images/nav_buttons/nav_studentlife_roll.gif';
	
	micro5_roll = new Image()
	micro5_off = new Image()

	micro5_off.src = 'images/nav_buttons/nav_contact_off.gif';
	micro5_roll.src = 'images/nav_buttons/nav_contact_roll.gif';
	
	micro6_roll = new Image()
	micro6_off = new Image()

	micro6_off.src = 'images/nav_buttons/nav_application_off.gif';
	micro6_roll.src = 'images/nav_buttons/nav_application_roll.gif';

    micro7_roll = new Image()
	micro7_off = new Image()

	micro7_off.src = 'images/nav_buttons/nav_gotohsph_off.gif';
	micro7_roll.src = 'images/nav_buttons/nav_gotohsph_roll.gif';
	
}


function on(image) {

  if (parseInt(navigator.appVersion.substring(0,1))>=3) { // 3.0 or greater.

      imagesrc = eval(image + '_roll.src');

      document[image].src = imagesrc;

  }

}



function off(image) {

  if (parseInt(navigator.appVersion.substring(0,1))>=3) { // 3.0 or greater.

      imagesrc = eval(image + "_off.src");

      document[image].src = imagesrc;

 }

}

// end of script -->