/***********************************************
* 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 = 8000; //set delay between message change (in miliseconds)
var maxsteps=20; // number of steps to take to change from start color to endcolor
var stepdelay=30; // time in miliseconds of a single step
//**Note: maxsteps*stepdelay will be total time in miliseconds of fading effect
var startcolor= new Array(80,55,30); // start color (red, green, blue)
var endcolor=new Array(255,255,255); // end color (red, green, blue)

begintag='<div style="font:normal 13px Arial; line-height:16px;">'; //set opening tag, such as font declarations
closetag='</div>';

var fwidth='140px'; //set scroller width
var fheight='50px'; //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 bDelay=false;
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(showPrevious){
	if(bDelay) return flase;

	if(showPrevious==true){
		if((index-1)<=0)
			index=fcontent.length-1
		else
			index-=2;
	}
	else{
		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){
	bDelay=true;
	var obj=document.getElementById("fscroller").getElementsByTagName("A");
	if(obj.length>0){
		for (i=0;i<obj.length;i++) obj[i].style.color=getstepcolor(step);
	}
	bDelay=false;
}

/*Rafael Raposo edited function*/
var fadecounter, contentcounter;

function colorfade(step){

	bDelay=true;
	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]+")";
		clearTimeout(contentcounter);
		contentcounter=setTimeout("changecontent()", delay);
	}
	bDelay=false;


}



/*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