/*
    Written by Jonathan Snook, http://www.snook.ca/jonathan
    Add-ons by Robert Nyman, http://www.robertnyman.com
*/

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}

/* Styled images with captions by Paul Boag */
function addCaption(xClass) {
var allImages = getElementsByClassName(document, "img", xClass);
for ( var i=0; i < allImages.length; i++) {
var imageCaption = document.createTextNode(allImages[i].title);
var imageContainer = document.createElement("div");
var imagePara = document.createElement("p");
var imageWidth = allImages[i].getAttribute("width");
var spareSpan = document.createElement("span");
imagePara.appendChild(imageCaption);
allImages[i].parentNode.insertBefore(imageContainer, allImages[i]);
imageContainer.appendChild(allImages[i]);
if ( allImages[i].title != "" ) {
imageContainer.appendChild(imagePara);
}
imageContainer.className = xClass
allImages[i].className = "img"
imageContainer.style.width = imageWidth + "px";

}
}

window.onload=function(){
addCaption("imgLeft");
addCaption("imgRight");
}