/***********************************************
* Fading Scroller- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var delay = 4000; //set delay between message change (in miliseconds)
var maxsteps = 50; // number of steps to take to change from start color to endcolor
var stepdelay = 10; // time in miliseconds of a single step
//**Note: maxsteps*stepdelay will be total time in miliseconds of fading effect
var startcolor = new Array(192, 206, 255); // start color (red, green, blue)
var endcolor = new Array(0, 0, 0); // end color (red, green, blue)

var fcontent = new Array();
begintag = '<div>'; //set opening tag, such as font declarations
fcontent[0] = "<a href='http://www.kiplinger.com/magazine/archives/2009/07/2009-best-city-huntsville.html' target=_blank><img src='images/solution-ad-huntsvillebestcity.png' alt='Huntsville ranked #1 city by Kiplinger's' style='border:0px;' /></a>";
fcontent[1] = "<a href='http://money.cnn.com/smallbusiness/best_places_launch/2009/snapshot/151.html' target=_blank><img src='images/solution-ad-huntsvillebestplace.png' alt='Huntsville Ranked #1 Place to Launch Small Business' style='border:0px;' /></a>";
fcontent[2] = "<a href='http://www.forbes.com/2009/12/03/infrastructure-economy-urban-opinions-columnists-smart-cities-09-joel-kotkin_slide_10.html' target=_blank><img src='images/solution-ad-huntsvillesmartestcity.png' alt='Huntsville Ranked #9 World's Smartest City' style='border:0px;' /></a>";
fcontent[3] = "<a href='http://www.forbes.com/2010/04/13/best-places-for-business-beltway-business-places-10-main_slide_9.html' target=_blank><img src='images/solution-ad-hsvbestbizcareer.png' alt='Huntsville Ranked #8 of The Best Places For Business And Careers' style='border:0px;' /></a>";
closetag = '</div>';

var fwidth = '233'; //set scroller width
var fheight = '117'; //set scroller height

var fadelinks = 1;  //should links inside scroller content also fade like text? 0 for no, 1 for yes.

///No need to edit below this line/////////////////


var ie4 = document.all && !document.getElementById;
var DOM2 = document.getElementById;
var faderdelay = 0;
var index = 0;


/*Rafael Raposo edited function*/
//function to change content
function changecontent() {
    if (index >= fcontent.length)
        index = 0
    if (DOM2) {
        document.getElementById("fscroller").style.color = "rgb(" + startcolor[0] + ", " + startcolor[1] + ", " + startcolor[2] + ")"
        document.getElementById("fscroller").innerHTML = begintag + fcontent[index] + closetag
        if (fadelinks)
            linkcolorchange(1);
        colorfade(1, 15);
    }
    else if (ie4)
        document.all.fscroller.innerHTML = begintag + fcontent[index] + closetag;
    index++
}

// colorfade() partially by Marcio Galli for Netscape Communications.  ////////////
// Modified by Dynamicdrive.com

function linkcolorchange(step) {
    var obj = document.getElementById("fscroller").getElementsByTagName("A");
    if (obj.length > 0) {
        for (i = 0; i < obj.length; i++)
            obj[i].style.color = getstepcolor(step);
    }
}

/*Rafael Raposo edited function*/
var fadecounter;
function colorfade(step) {
    if (step <= maxsteps) {
        document.getElementById("fscroller").style.color = getstepcolor(step);
        if (fadelinks)
            linkcolorchange(step);
        step++;
        fadecounter = setTimeout("colorfade(" + step + ")", stepdelay);
    } else {
        clearTimeout(fadecounter);
        document.getElementById("fscroller").style.color = "rgb(" + endcolor[0] + ", " + endcolor[1] + ", " + endcolor[2] + ")";
        setTimeout("changecontent()", delay);

    }
}

/*Rafael Raposo's new function*/
function getstepcolor(step) {
    var diff
    var newcolor = new Array(3);
    for (var i = 0; i < 3; i++) {
        diff = (startcolor[i] - endcolor[i]);
        if (diff > 0) {
            newcolor[i] = startcolor[i] - (Math.round((diff / maxsteps)) * step);
        } else {
            newcolor[i] = startcolor[i] + (Math.round((Math.abs(diff) / maxsteps)) * step);
        }
    }
    return ("rgb(" + newcolor[0] + ", " + newcolor[1] + ", " + newcolor[2] + ")");
}

if (ie4 || DOM2)
    document.write('<div id="fscroller" style="width:' + fwidth + ';height:' + fheight + '"></div>');

if (window.addEventListener)
    window.addEventListener("load", changecontent, false)
else if (window.attachEvent)
    window.attachEvent("onload", changecontent)
else if (document.getElementById)
    window.onload = changecontent