function ini_ImageCaptions() {
	// loop through p tags of class 'library_image'
	var parentElements = getElementsByClass('library_image', document, 'p');
	for (var i = 0; i < parentElements.length; i++) {
		// find image child
		var parentNode = parentElements[i];
		// there should only be one image inside the parentElement
		var image = parentNode.getElementsByTagName('img')[0];
		// get alt attribute
		var altText = image.getAttribute('alt');
		if (altText.length > 0) {
			// create span element
			var captionElement = document.createElement('span');
			// add class 'caption' to span
			captionElement.className = 'caption';
			var captionText = document.createTextNode(altText);
			// add caption text
			captionElement.appendChild(captionText);
			// add caption to parent
			parentNode.appendChild(captionElement);
			// insert line break before captionElement
			var lineBreak = document.createElement('br');
			parentNode.insertBefore(lineBreak, captionElement);
		}			
	}
}

function toggleBusinessFields() {

	if (document.getElementById('business_fields') && 
		document.getElementById('field_individual_yes') && 
		document.getElementById('field_individual_yes')) {
		
		var tableRow = document.getElementById('business_fields');
		var checkBoxYes = document.getElementById('field_individual_yes');
		var checkBoxNo = document.getElementById('field_individual_no');
		
		if (checkBoxYes.checked) {
			tableRow.style.display = 'none';
		} else {
			tableRow.style.display = '';
		}
		
	}
}

function toggleItem(targetID, target2ID) {
	var base = getPathToRoot();
	if (document.getElementById) {
		target = document.getElementById(targetID);
		target2 = document.getElementById(target2ID);
		if (target.style.display == "none") {
			target.style.display = "";
			target2.style.backgroundImage = 'url(' + base + 'images/triangle-open.gif)';
		} else {
			target.style.display = "none";
			target2.style.backgroundImage = 'url(' + base + 'images/triangle-close.gif)';
		}
	}
}

function ini_URLJumperSelect() {
	// get all select elements with the class 'url_jump_select'
	var selects = getElementsByClass('url_jump_select', document, 'SELECT');
	// loop through, add event on change
	for (var i = 0; i < selects.length; i++) {
		selectElement = selects[i];
		// attach onclick function
		addEvent(selectElement, 'change', urlJumpSelect, false);
	}	
}

function urlJumpSelect(e) {
	// find the target
	var target = findTarget(e);
	var path = target.value;
	if (path.length > 0) {
		document.location.href = path;
	}
}

function setUpRadiosAndCheckboxes() {
	// get all select elements with the class 'url_jump_select'
	var inputs = document.getElementsByTagName('INPUT');
	// loop through, add class 'radio' if they are a radio or checkbox
	for (var i = 0; i < inputs.length; i++) {
		inputElement = inputs[i];
		if (inputElement.getAttribute('type') == 'checkbox' || inputElement.getAttribute('type') == 'radio') {
			// add class
			inputElement.className += ' radio';
		}
	}	
}

function toggleList(e) {
	
	// get a reference to the anchor and it's parentNode (the <li> element)
	if (window.event) {
		// IE does it differently... stores the event in a window.event object
		var thisA = window.event.srcElement;
		//alert(thisA);
		var thisLI = thisA.parentNode;
	} else {
		var thisA = this;
		var thisLI = this.parentNode;
	}
	// if this li has nested ul elements...
	if (thisLI.getElementsByTagName('ul').length > 0) {
		
		var toggleListTarget = thisLI.getElementsByTagName('ul')[0];
		//...toggle visibility of first ul
		if (toggleListTarget.style.display != 'none' ) {
			toggleListTarget.style.display = 'none';
			//thisA.style.color = '';
			thisA.style.backgroundImage = 'url(../images/arrowright.gif)';
			//closeListArrow();
		} else {
			toggleListTarget.style.display = '';
			//thisA.style.color = 'white';
			thisA.style.backgroundImage = 'url(../images/arrowdown.gif)';
			//expandListArrow();
		}
		// cancel bubble and href of this anchor
		cancelClick(e);
		// hack for Safari (stops browser following href link)
		thisA.onclick = function() { return false; }
	}
}

function ini_CollapsingList() {

	// find the toggle list
	var lists = getElementsByClass('collapsible_list', document, 'ul');
	
	for (var x = 0; x < lists.length; x++) {
		//list = document.getElementById('collapsingList');
		list = lists[x];
		// find all it's child UL elements
		var childLists = list.getElementsByTagName('ul');
		// hide them all
		for (var i = 0; i < childLists.length; i++) {
			var childList = childLists[i];
			childList.style.display = 'none';
		}
		
		// attach toggleList function to onclick of each anchor
		var childAnchors = list.getElementsByTagName('a');
		// hide them all
		for (var i = 0; i < childAnchors.length; i++) {
			var childAnchor = childAnchors[i];
			// attach toggleList function to onclick of each anchor
			addEvent(childAnchor, 'click', toggleList, false);
		}
	}
}

function textResizingOptions() {

	if (document.getElementById('small_text') && 
		document.getElementById('medium_text') && 
		document.getElementById('large_text')) {

		document.getElementById('small_text').innerHTML = 'A';
		document.getElementById('medium_text').innerHTML = 'A';
		document.getElementById('large_text').innerHTML = 'A';
	}
}

addLoadEvent(ini_URLJumperSelect);
addLoadEvent(ini_CollapsingList);
addLoadEvent(toggleBusinessFields);
addLoadEvent(ini_ImageCaptions);
addLoadEvent(textResizingOptions);