/*  ============================================================== */
/*  This file creates the news scroller in the Home Page           */	
/*  Directions are listed below indicating how to enter new		   */
/*	news and announcememnts.  						               */
/*																   */
/*	Term and Major can be indicated in the description.            */
/*                                                                 */
/*  Please Document ANY changes to this page below.		   		   */
/* =============================================================== */
/* 	Programmer:	Chris Binkerd	cbinker@pluto.dsu.edu			   */
/*	Date Created:	1/11/2005									   */
/*	Date Modified: 												   */


var delay = 4000; //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(66,66,66); // start color (red, green, blue)
var endcolor=new Array(66,66,66); // end color (red, green, blue)
var fcontent=new Array();

///No need to edit above this line/////////////////

/**  Here is where you add ne News Items ******************************************************** 
   To add an item to the news array, simply copy the first line in the array ( fcontent[0] )
   and paste on the next line.  Note.  Javascript does not like double quotes, so the only 
   doublequotes you should use are those found at the very beginning and end of the string.  
   Also, be careful of the begintag and endtag items.

*/


begintag='<div class=d12b style="padding: 10px;">'; //set opening tag, such as font declarations



fcontent[0]="Next Praxis Exam Date:<br><br>Saturday, March 15th<br>Beginning at 7:30am<br>in the Kennedy Center<br><br>Deadline to register:<br>Feb. 14, 2008";
fcontent[1]="Student Teaching Seminar<br>dates to remember<br><br>Mar. 26th - 1:00pm<br><br>in Kennedy Center<br>Room 104";
fcontent[2]="Praxis Registration Help Session<br><br>February 11th at 12:00 noon<br><br>in Kennedy Center<br>Room 104";
fcontent[3]="Need to find a COE form or document fast?<br><br><a style='text-decoration: underline' class='d12b' href='documentPortal.htm'>Check the Documents Center</a> ";



closetag='</div>';



/**** End edit section ************************************************************************** */
///No need to edit below this line/////////////////

var fwidth='170px'; //set scroller width
var fheight='160px'; //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;
/*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