function get_rotating_img(prefix){

	// number from 1 . . . (num_elements)
	var num_image_sets =4;
	
	var i = Math.round((num_image_sets-1)*Math.random()) + 1;
	if (i < 10){
		i= '0' + i;
	}
	return 'imgs/hm_rotation/' + prefix + '_' + i + '.jpg';

}


/*

	Functions for when page is loaded
*/
$(document).ready(function() { 

	
	//----------------------------
	//	Rotate front page images
	//----------------------------	
	$("#hm_toprow_left").attr("src",	get_rotating_img('hm_toprow_left')	);

	$("#hm_toprow_mid").attr("src",	get_rotating_img('hm_toprow_mid')	);

	$("#hm_toprow_right").attr("src",	get_rotating_img('hm_toprow_right')	);

	$("#hm_midrow_left").attr("src",	get_rotating_img('hm_midrow_left')	);

	$("#hm_btmrow_left").attr("src",	get_rotating_img('hm_btmrow_left')	);

	$("#hm_btmrow_midleft").attr("src",	get_rotating_img('hm_btmrow_midleft')	);

	$("#hm_btmrow_midrt").attr("src",	get_rotating_img('hm_btmrow_midrt')	);

	$("#hm_btmrow_right").attr("src",	get_rotating_img('hm_btmrow_right')	);
	
	
	
});