/*
cbb function by Roger Johansson, http://www.456bereastreet.com/
*/
(function(){
	var cbb = {
		init : function() {
		// Check that the browser supports the DOM methods used
			if (!document.getElementById || !document.createElement || !document.appendChild) return false;
			var oElement, oOuter, oI1, oI2, tempId;
		// Find all elements with a class name of cbb
			var arrElements = document.getElementsByTagName('*');
			var oRegExp = new RegExp("(^|\\s)cbb(\\s|$)");
			for (var i=0; i<arrElements.length; i++) {
		// Save the original outer element for later
				oElement = arrElements[i];
				if (oRegExp.test(oElement.className)) {
		// 	Create a new element and give it the original element's class name(s) while replacing 'cbb' with 'cb'
					oOuter = document.createElement('div');
					oOuter.className = oElement.className.replace(oRegExp, '$1cb$2');
		// Give the new div the original element's id if it has one
					if (oElement.getAttribute("id")) {
						tempId = oElement.id;
						oElement.removeAttribute('id');
						oOuter.setAttribute('id', '');
						oOuter.id = tempId;
					}
		// Change the original element's class name and replace it with the new div
					oElement.className = 'i3 clearfix';
					oElement.parentNode.replaceChild(oOuter, oElement);
		// Create two new div elements and insert them into the outermost div
					oI1 = document.createElement('div');
					oI1.className = 'i1';
					oOuter.appendChild(oI1);
					oI2 = document.createElement('div');
					oI2.className = 'i2';
					oI1.appendChild(oI2);
		// Insert the original element
					oI2.appendChild(oElement);
		// Insert the top and bottom divs
					cbb.insertTop(oOuter);
					cbb.insertBottom(oOuter);
				}
			}
		},
		insertTop : function(obj) {
			var oOuter, oInner;
		// Create the two div elements needed for the top of the box
			oOuter=document.createElement("div");
			oOuter.className="bt"; // The outer div needs a class name
		    oInner=document.createElement("div");
		    oOuter.appendChild(oInner);
			obj.insertBefore(oOuter,obj.firstChild);
		},
		insertBottom : function(obj) {
			var oOuter, oInner;
		// Create the two div elements needed for the bottom of the box
			oOuter=document.createElement("div");
			oOuter.className="bb"; // The outer div needs a class name
		    oInner=document.createElement("div");
		    oOuter.appendChild(oInner);
			obj.appendChild(oOuter);
		},
		// addEvent function from http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html
		addEvent : function(obj, type, fn) {
			if (obj.addEventListener)
				obj.addEventListener(type, fn, false);
			else if (obj.attachEvent) {
				obj["e"+type+fn] = fn;
				obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
				obj.attachEvent("on"+type, obj[type+fn]);
			}
		}
	};
	
	cbb.addEvent(window, 'load', cbb.init);
})();
