// JavaScript Document

/***********************************************
* 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 = 5000; //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(34,38,15); // start color (red, green, blue)
var endcolor=new Array(204,204,102); // end color (red, green, blue)

var fcontent=new Array();
begintag='<div style="font: normal 14px Georgia; align: center; padding: 2px; margin: 0px; ">'; //set opening tag, such as font declarations
//**fcontent[0]="<b>What\'s New?</b><br><br>New History Painting<br>&quot;A Young Man's Journey&quot; &nbsp; &ndash; &nbsp; 20&quot; x 28&quot; Acrylic on Canvas<br><br><a href='history.htm'><strong>&mdash; Click here to Enter &mdash;</strong></a>";
fcontent[0]="<b>What\'s New?</b><br><br>New Nature Sketch<br>&quot;Finding a Moment to Remember &quot; &nbsp; &ndash; &nbsp;  Ink on Acid Free Paper<br><br><a href='nature.htm'><strong>&mdash; Click here to Enter &mdash;</strong></a>";
//**fcontent[0]="<b>What\'s New?</b><br><br>New Fly Fishing Painting<br>&quot;Spey Ghost Fly  &quot; &nbsp; &ndash; &nbsp; 6&quot; x 8&quot; Acrylic on Canvas<br><br><a href='fly_fishing_flies.htm'><strong>&mdash; Click here to Enter &mdash;</strong></a>";
fcontent[1]="<b>Join the Facebook Group</b><br><br>&quot;Thom Childrey's Art&quot;<br><br><br><a href='http://www.facebook.com/group.php?gid=82632211716' target='_blank'><strong>&mdash; Click here to Enter &mdash;</strong></a>";
fcontent[2]="<b>Read Stories about the Paintings</b><br><br>&quot;Thom Childrey's Weblog&quot;<br><br><br><a href='http://thomchildrey.blogspot.com/' target='_blank'><strong>&mdash; Click here to Enter &mdash;</strong></a>";
//**fcontent[3]="<b>New Upcoming Event</b><br><br><em>See my paintings here on Saturday October 17, 2009</em><br><br><a href='links.htm#Events'><em>Click here to View &mdash;&gt;</em></a>";
fcontent[3]="<b>Last Update</b><br><br><em>February 6 2012 </em><br><br><br><a href='contact.htm'><strong>&copy; Thom Childrey</strong></a>";
closetag='</div>';

var fwidth='450px'; //set scroller width
var fheight='200px'; //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;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