function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function createElementNode(tagName,textNode) {
	elementNode = document.createElement(tagName);
	for(var i=2; i<arguments.length; i++) {
		thisArg = arguments[i].split('=');
		if(typeof elementNode[thisArg[0]] != "undefined") {
			elementNode[thisArg[0]] = thisArg[1];
		} else {
			elementNode.setAttribute(thisArg[0],thisArg[1]);
		}
	}
	if(typeof textNode != "undefined" && textNode != '') {
		elementNode.appendChild(document.createTextNode(textNode));
	}
	return elementNode;
}

function addCorners() {
	if(!document.createElement) { return; }
	var contentbox = document.getElementById('footer');
	var classArray = ['br','bl'];
	for(var i=0; i<classArray.length; i++) {
		contentbox.appendChild(createElementNode('span','','className=' + classArray[i]));
	}
}

window.onload = function() {
	addCorners();
}