// JavaScript Document

function addLoadEvent (func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

// Function to return a list of elements with a specific class attribute
document.getElementsByClassName = function($class) {
	var $results = Array();
	var $elements = document.getElementsByTagName("*");
	for (var $i=0; $i<$elements.length; $i++) {
		var $classes = $elements[$i].className.split(" ");
		for (var $j=0; $j<$classes.length; $j++) {
			if ($classes[$j] == $class) {
				$results[$results.length] = $elements[$i];
			}
		}
	}
	return $results;
}
// In order to pass the safety checks this section must appear AFTER the getElementsByClassName function (above)
if (document.getElementsByTagName && document.getElementsByClassName) {
	// Create a link to the Javascript-only stylesheet, which will primarily hide the hidden text
	var $link_element = document.createElement('link');
	$link_element.setAttribute("rel","stylesheet");
	$link_element.setAttribute("href","/css/javascript-only.css");
	$link_element.setAttribute("media","screen");
	
	// Append this stylesheet link to the document
	var $head_element = document.getElementsByTagName('head')[0];
	$head_element.appendChild($link_element);
}