/***********************************************
* 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 = 6000; //set delay between message change (in miliseconds)
var maxsteps=30; // number of steps to take to change from start color to endcolor
var stepdelay=40; // time in miliseconds of a single step
//**Note: maxsteps*stepdelay will be total time in miliseconds of fading effect
var startcolor= new Array(255,255,255); // start color (red, green, blue)
var endcolor=new Array(255,255,255); // end color (red, green, blue)

var fcontent=new Array();
begintag='<div style="padding-top: 1em">'; //set opening tag, such as font declarations
fcontent[0]="<b>&ldquo;Brilliant, staff loved it, children loved it, would love to have you back again&rdquo;</b><br /><p style='font-size: 0.9em;'>Susan Jones, Holy Ghost Primary School, Wandsworth, London.</p>";
fcontent[1]="<b>&ldquo;A punchy and really enjoyable learning experience... So refreshing to see Science taught through the medium of the Expressive Arts.&rdquo;</b><br /><p style='font-size: 0.9em'>Jan Bridger, Head of Drama, Penair School, Truro, Cornwall.</p>";
fcontent[2]="<b>&ldquo;The students really enjoyed the show and recommended it themselves to other year 10 students.&rdquo;</b><br /><p style='font-size: 0.9em'>John Popham, Director of Specialism, Carleton Community Science College, Pontefract</p>";
fcontent[3]="<b>&ldquo;The students at Tudhoe Grange thoroughly enjoyed the experience of Amoeba to Zebra&rdquo;</b><br /><p style='font-size: 0.9em'>Dorothy Chaplin, Tudhoe Grange School, Spennymoor, Country Durham.</p>";
fcontent[4]="<b>&ldquo;All abilities could access the performance at different levels and the content covered provided stimulus for discussion not just in science but across other curriculum subjects&rdquo;</b><br /><p style='font-size: 0.9em'>Julie Cadmore, Head of Science, Robert Blake High School, Bridgewater.</p>";
fcontent[5]="<b>&ldquo;The students found the visuals, the voiceover, mixed with the imaginative songs, very memorable.  I think it has really helped them understand more about evolution.&rdquo;</b><p style='font-size: 0.9em'>Catherine Howard, Humanities Dept, The King's School, Pontefract.</p>";
closetag='</div>';



var fwidth='209px'; //set scroller width
var fheight='190px'; //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