/***********************************************
* 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 = 3800; //set delay between message change (in miliseconds) - 2000 par défaut
var maxsteps=30; // number of steps to take to change from start color to endcolor - 30 par defaut
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 fwidth='208px'; //set scroller width
var fheight='150px'; //set scroller height

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


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


//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);
  }
}

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);
	}   
}

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] + ")");
}