/*--------------------------------------------------------------------------*
 *
 *  imageReplace JavaScript Library beta3
 *
 *  MIT-style license.
 *
 *  2007 Kazuma Nishihata
 *  http://www.webcreativepark.net
 *
 *--------------------------------------------------------------------------*/

new function(){

    var ImagesDir = "/images/";

    if(window.addEventListener){
        window.addEventListener('load',imageReplace,false);
    }else if(window.attachEvent){
        window.attachEvent('onload',imageReplace);
    }

    function imageReplace(){

        elements = document.getElementsByClassName("imageReplace");

        for (var i=0; i<elements.length; i++) {

            var element = elements[i];

            var classnames = element.getAttribute('className') || element.getAttribute('class');
            var classes = classnames.split(" ");
            if(classes[2]){
                var onImg  = " onmouseover=\"this.src='"+ImagesDir+classes[2]+"'\"";
                var offImg = " onmouseout=\"this.src='"+ImagesDir+classes[1]+"'\"";
            }else{
                var onImg  = "";
                var offImg = "";
            }
            if(classes[1])element.innerHTML = '<img src="'+ImagesDir+classes[1]+'" alt="'+element.innerHTML+'" id="imageReplace'+i+'" border="0" '+onImg+offImg+'/>';
        }
    }

    document.getElementsByClassName = function(className){
        var i, j, eltClass;
        var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
        var objCN = new Array();
        for (i = 0; i < objAll.length; i++) {
            eltClass = objAll[i].className.split(/\s+/);
            for (j = 0; j < eltClass.length; j++) {
                if (eltClass[j] == className) {
                    objCN.push(objAll[i]);
                    break;
                }
            }
        }
        return objCN;
    }
}