/* 
Rotating Message
-----------------
created:	 Taken from ASHE "rotate.js" script written by Ken Kocanda
modified:	 06.07.07 by Rey Echevarria

*/
var curr_index = 0;
var messages = new Array();

function set_message(class_name){
	var items = document.getElementsByTagName('li');
	var num = 0;
	for (var i=0; i<items.length;++i){
		if (items[i].className == class_name){
			messages[num++] = items[i];	
		}
	}
	return;
}

function rotate_message(){
	if (messages.length > 0) {
		curr_index = (curr_index < messages.length-1) ? curr_index+1 : 0;		
		prev_index = (curr_index == 0) ? messages.length-1 : curr_index-1;
		messages[prev_index].style.display = 'none'; // hide previous sponsor
		messages[curr_index].style.display = 'block'; // show current sponsor
	}
	return;
}