/***********************************************
* 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 = 2000; //set delay between message change (in miliseconds)
var maxsteps=60; // number of steps to take to change from start color to endcolor
var stepdelay=60; // time in miliseconds of a single step
//**Note: maxsteps*stepdelay will be total time in miliseconds of fading effect
var startcolor= new Array(255,255,0); // start color (red, green, blue)
var endcolor=new Array(0,0,0); // end color (red, green, blue)


//**Note: to change the marquee message, find the three lines below marked fcontent[0].fcontent[1],and fcontent[2]. Type your new message within the quote marks; add any links or type format codes; and end each line with a semicolon. Copy and paste the new messages in all five fscroller javascript files (fscrollerorangevideo.js, fscrollerorange.js, fscrolleryellow.js, fscrollergreen.js; fscrolleropurplevideo.js)


var fcontent=new Array();
begintag='<div style="font: normal 12px Arial; padding: 7px;">'; //set opening tag, such as font declarations


fcontent[0]="Make a Donation to Breakthrough Saint Paul! <a href='http://www.breakthroughsaintpaul.org/involved_donate.html' target='_blank'>Read more.</a>";
fcontent[1]="Watch our <a href='about_news_video.html' target='_blank'>video online</a>!";
//fcontent[2]="Watch our <a href='about_news_video.html' target='_blank'>video online</a>!";
//fcontent[0]="<em><strong>Students Teaching Students</strong></em> ... <a href='about_missionmodel.html' target='_blank'>Learn more.</a>";
//fcontent[2]="Visit our program this summer. <a href='involved_visit.html' target='_blank'>Find out more.</a>";
closetag='</div>';

var fwidth='60em'; //set scroller width
var fheight='3em'; //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="border:0px solid black;background-color: #ffff00;width:'+fwidth+';height:'+fheight+'"></div>');

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