/* --------------------------------------------------------
    Javascript Global Functions
    Website: Editions Mortagne
    Created by: Guillaume - guillaume@tearsfromthesky.com
    Filename: js/global.js
   -------------------------------------------------------- */

/*
  Standards Compliant Rollover Script
  Author : Daniel Nolan
  http://www.bleedingego.co.uk/webdev.php
*/

function initRollovers() {
        if (!document.getElementById) return

        var aPreLoad = new Array();
        var sTempSrc;
        var aImages = document.getElementsByTagName('img');

        for (var i = 0; i < aImages.length; i++) {
                if (aImages[i].className == 'imgover') {
                        var src = aImages[i].getAttribute('src');
                        var ftype = src.substring(src.lastIndexOf('.'), src.length);
                        var hsrc = src.replace(ftype, '_o'+ftype);

                        aImages[i].setAttribute('hsrc', hsrc);

                        aPreLoad[i] = new Image();
                        aPreLoad[i].src = hsrc;

                        aImages[i].onmouseover = function() {
                                sTempSrc = this.getAttribute('src');
                                this.setAttribute('src', this.getAttribute('hsrc'));
                        }

                        aImages[i].onmouseout = function() {
                                if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
                                this.setAttribute('src', sTempSrc);
                        }
                }
        }
}

window.onload = initRollovers;