/***********************************************
* 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 = 3000; //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(0,0,0); // end color (red, green, blue)

var fcontent=new Array();
//begintag='<div style="font-size: 11px;	font-family: verdana, arial, sans-serif; padding: 5px; width: 700px;"> <div style="float: left; margin: 0 5 3 2;"><b>NEWS:</b></div> <div>'; //set opening tag, such as font declarations
begintag=''; //set opening tag, such as font declarations
//fcontent[0]="Xerox Grants 'Technical Minority Scholarships' to 122 Students";
//fcontent[1]="Xerox Reports Fourth-Quarter 2006 Earnings";
//fcontent[2]="6 Xerox Employees Granted Paid Sabbaticals for Community Service";
//closetag='</div></div>';
closetag='';

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;

/* Tim Lancto edited functions */
function addLinkContent(sLinkContent) {
	if (sLinkContent == ''){
		return;
	}
	var iFcontentNewSize = fcontent.push(sLinkContent);
}

// This function reinitializes the starting color of the fading content.
function reInitializeStartColor(iRed, iGreen, iBlue) {
	startcolor[0] = iRed;
	startcolor[1] = iGreen;
	startcolor[2] = iBlue;
}

// This function reinitializes the ending color of the fading content.
function reInitializeEndColor(iRed, iGreen, iBlue) {
	endcolor[0] = iRed;
	endcolor[1] = iGreen;
	endcolor[2] = iBlue;
}

/* Tim Lancto edited functions - end */ 

/*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] + ")");
}

// These statements should be used in the calling file:
/*
document.write('<div id="fscroller"></div>');
if (window.addEventListener)
	window.addEventListener("load", changecontent, false);
else if (window.attachEvent)
	window.attachEvent("onload", changecontent);
else if (document.getElementById)
	window.onload=changecontent;
*/