/***********************************************
 * Random Order Content (from DIVs) script- by JavaScript Kit (www.javascriptkit.com)
 * This notice must stay intact for usage
 * Visit JavaScript Kit at http://www.javascriptkit.com/ for this script and 100s more
 ***********************************************/

if (document.getElementById) {
    document.documentElement.className = 'jsclass'; //hide content for DOM capable browsers
}


var randomordercontentdisplay = {
    divholders: new Object(),

    masterclass: "randomordercontent",

    init: function() {
        if (!document.getElementById) return;

        var alldivs = document.getElementsByTagName("div");
        var randomcontentsearch = new RegExp(randomordercontentdisplay.masterclass + "\\s+(group\\d+)", "i"); //check for CSS class="randomcontent groupX" (x=integer)
        for (var i = 0; i < alldivs.length; i++) {
            if (randomcontentsearch.test(alldivs[i].className)) {
                if (typeof randomordercontentdisplay.divholders[RegExp.$1] == "undefined") { //if object to hold this group of divs doesn't exist yet
                    randomordercontentdisplay.divholders[RegExp.$1] = new Object(); //create object
                    randomordercontentdisplay.divholders[RegExp.$1].ref = []; //create array to hold each div within group
                    randomordercontentdisplay.divholders[RegExp.$1].contents = []; //create array to hold each div's content within group
                }
                randomordercontentdisplay.divholders[RegExp.$1].ref.push(alldivs[i]); //add this div to the array
                randomordercontentdisplay.divholders[RegExp.$1].contents.push(alldivs[i].innerHTML); //add this div's content to the array
            }
        }
        randomordercontentdisplay.scrambleorder();
    },

    scrambleorder: function() {
        for (group in randomordercontentdisplay.divholders) { //loop thru each array within object
            randomordercontentdisplay.divholders[group].contents.sort(function() {
                return 0.5 - Math.random()
            }); //scramble contents array
            for (var i = 0; i < this.divholders[group].ref.length; i++) {
                randomordercontentdisplay.divholders[group].ref[i].innerHTML = this.divholders[group].contents[i];
                randomordercontentdisplay.divholders[group].ref[i].style.display = "block";
            }
        }
    }
}

window.onload = randomordercontentdisplay.init;