// JavaScript Document
//
// Slideshow

var _max = 9999;
var i = 0;
var delay = 3000;
var delay2 = 1000;
var lock = false;
var textInd = 1;
var run;

function getElementsByClassName(classname) 
{
	node = document.getElementById("mynode");
	var divs = node.getElementsByTagName("div");
	return divs;
}

function changeOpac(opacity) 
{
	var object = document.getElementById("place_holder").style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function chgImg() 
{
	var speed = Math.round(1000 / 100);
	var timer = 0; 		
	var all_divs = getElementsByClassName("ht");
	_max = all_divs.length; 
	document.getElementById("text_holder").innerHTML = (all_divs[textInd]).innerHTML;
	textInd += 1;
	if (textInd >= _max) textInd = 0;
}


function start_slideshow() {
	if (lock == true) {
		lock = false;
		window.clearInterval(run);
	}
	else if (lock == false) {
		lock = true;
		run = setInterval("chgImg()", delay);
	}
}