/*-----------{testimonials}-----------*/

//////////////////////////////////////
//array to hold testimonials buttons//
//////////////////////////////////////
var testimonials = new Array();

////////////////////////////////////////////////////
//check if variable, function or object is defined//
////////////////////////////////////////////////////
function isDefined(property) {
  return (typeof property != 'undefined');
}

///////////////////////////////////////////////////////////////
//toggle description display and hide other open descriptions//
///////////////////////////////////////////////////////////////
function toggle_desc() {
	//first hide all other open testimonials
	for (t in this.others) {
		this.others[t].desc.style.display = "none";
	}

	var disp_style = this.desc.style;
	disp_style.display = (disp_style.display == "none") ? "block" : "none";
}

////////////////////////////////////////////////////////////////////
//add events to the anchor tags in the testimonials unordered list//
////////////////////////////////////////////////////////////////////
function buildTestimonialsExpand() {
	var tst_ul = document.getElementById("tst_list");

	//gather list elements into an array
	var li_arr = new Array();
	for (n in tst_ul.childNodes) {
		if (tst_ul.childNodes[n].nodeName == "LI") li_arr.push(tst_ul.childNodes[n]);
	}

	//create an object to hold the anchor and paragraph elements, and group into an array
	var testimonials = new Array();
	for (li in li_arr) {
		var tst_but = new Object();
		for (n in li_arr[li].childNodes) {
			if (li_arr[li].childNodes[n].nodeName == "H3") tst_but = li_arr[li].childNodes[n];
			if (li_arr[li].childNodes[n].nodeName == "DIV") tst_but.desc = li_arr[li].childNodes[n];
		}

		testimonials.push(tst_but);
	}

	//assign events
	for (t in testimonials) {
		//hold references to the other testimonials
		testimonials[t].others = new Array();

		for (tt in testimonials) {
			if (testimonials[tt] != testimonials[t]) testimonials[t].others.push(testimonials[tt]);
		}

		testimonials[t].desc.style.display = (t == 0) ? "block" : "none";
		testimonials[t].onclick = toggle_desc;
	}
}

////////////////////////////////////////////////////////////////////
//wait until the page finishes loading to assign events to anchors//
////////////////////////////////////////////////////////////////////
if (isDefined(window.addEventListener)) {
	//w3c
	window.addEventListener('load', buildTestimonialsExpand, false);
} else if (isDefined(window.attachEvent)) {
	//microsoft
	window.attachEvent('onload', buildTestimonialsExpand);
}