/**********************************************************************************   
NewsSlideFade
*   Copyright (C) 2001 Thomas Brattli
*   This script was released at DHTMLCentral.com
*   Visit for more great scripts!
*   This may be used and changed freely as long as this msg is intact!
*   We will also appreciate any links you could give us.
*
*   Made by Thomas Brattli
*
*   Script date: 09/04/2001 (keep this date to check versions) 

*   Update by Matthias Stache
*   Update date: 08/29/2005 (changed source of text to file "newsticker.txt")
*   Update by Sven Slezak, RSS support
*
*********************************************************************************/

/*
nNews=new Array();
nNews[0]=new Array();
nNews[0]["title"]="+++ BAMBI in der Kategorie 'Mode' geht an Donatella Versace +++";
nNews[0]["link"]="http://www.bambi.de";
 */


function fetchRSS(URI) {
  var news = Array();
  var rss = null;
	if(window.ActiveXObject) {
		rss = new ActiveXObject("Microsoft.XMLDOM");
		rss.async = false;
		while(rss.readyState!=4) document.write("Loading...");
	  rss.load(URI);
  } else if(document.implementation&&document.implementation.createDocument) {
		var req = new XMLHttpRequest(); 
		req.open("POST", URI, false); 
		req.send(null); 
    rss = req.responseXML;
  }
  if(!rss) return;
  
	var title = rss.getElementsByTagName('title')[0].firstChild.nodeValue;
	var link	= rss.getElementsByTagName('link')[0].firstChild.nodeValue;
  
  var items = rss.getElementsByTagName("item");
	for(var i=0; i<items.length; i++) {
    news[i] = new Array();
		if(items[i].getElementsByTagName('pubDate').length>0)
			news[i]['pubDate'] = items[i].getElementsByTagName('pubDate')[0].nodeValue;
		if(items[i].getElementsByTagName('dc:date').length>0)
			news[i]['date'] = items[i].getElementsByTagName('dc:date')[0].nodeValue;
		if(items[i].getElementsByTagName('link').length>0)
			news[i]['link'] = items[i].getElementsByTagName('link')[0].firstChild.nodeValue;
		if(items[i].getElementsByTagName('guid').length>0)
			news[i]['guid']=items[i].getElementsByTagName('guid')[0].nodeValue;
		if(items[i].getElementsByTagName('title').length>0)
			news[i]['title']=items[i].getElementsByTagName('title')[0].firstChild.nodeValue;
		if(items[i].getElementsByTagName('description').length>0)
			news[i]['description']=items[i].getElementsByTagName('description')[0].nodeValue;
	}
  
  return news;
}

function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
    this.mac=this.agent.indexOf("Mac")>-1
    this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
    return this
}
var bw=lib_bwcheck()

/***************************************************************************
Use the style tag to change the placement and width of the layers.
If you are trying to place this into a table cell or something make the
position of the divNewsCont layer relative...Remeber that that might crash
Netscape 4 though, Good luck!
********************************************************************************/

/****
Variables to set 
****/

//How do you want the script to work? 
//0 = Fade in - Fade out
//1 = Slide in - Fade out
//2 = Random 
nWorks = 1

//If you use the slide set these variables:
nSlidespeed = 5 //in px
nNewsheight = 80 //This is how long down it should start the slide.

nBetweendelay = 3000 //The delay before fading out.
nFont = 'arial,helvetiva' //The font for the news.
nFontsize = 15 //Font size in pixel.
nFadespeed = 100 //The speed to fade in, in milliseconds.

//Set the colors, first color is same as background, last color is the color it stops at:
//You can have as many colors you want
//nColor=new Array('transparent','#FFAA00','#FF9900','#FFFFCC')
nColor=new Array('#FF9900','#FFAA00','#FFCC66','#FFDD99','#FFEE99','#FFFFFF')


/********************************************************************************
Object code...Object constructors and functions...
********************************************************************************/
function makeNewsObj(obj,nest,font,size,color,news,fadespeed,betweendelay,slidespeed,works,newsheight){
  nest=(!nest) ? "":'document.'+nest+'.'
  this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0;	
  this.writeref=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj+".document"):0;
	if(font){this.color=new Array(); this.color=eval(color); this.news=new Array(); this.news=eval(news)
		this.font=font; this.size=size; this.speed=fadespeed; this.delay=betweendelay; this.newsheight=newsheight;
		this.fadeIn=b_fadeIn;this.fadeOut=b_fadeOut; this.newsWrite=b_newsWrite; this.y=1
      this.slideIn=b_slideIn; this.moveIt=b_moveIt; this.slideSpeed=slidespeed; this.works=works
        if(bw.dom || bw.ie4){this.css.fontFamily=this.font; this.css.fontSize=this.size; this.css.color=this.color[0]}
	}
	this.obj = obj + "Object"; 	eval(this.obj + "=this"); return this
}

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";

function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x+px; this.css.top=this.y+px;}

function b_newsWrite(num,i){
	if (bw.ns4){
		this.writeref.write("<a href=\""+this.news[num]['link']+"\" style=\"text-decoration:none; font-size:"+this.size+"px\">"
                        +"<font face=\""+this.font+"\" color=\""+this.color[i]+"\">"+this.news[num]['title']+"</font></a>")
		this.writeref.close()
	} else this.writeref.innerHTML = '<a id="'+this.obj+'link' +'" style="text-decoration:none; font-size:'+this.size+'px; color:'+this.color[i]+'" href="'+this.news[num]['link']+'">'+this.news[num]['title']+'</a>'
}
//Slide in
function b_slideIn(num,i){
	if (this.y>0){
		if (i==0){this.moveIt(0,this.newsheight); this.newsWrite(num,this.color.length-1)}
		this.moveIt(this.x,this.y-this.slideSpeed)
		i ++
		setTimeout(this.obj+".slideIn("+num+","+i+");",50)
	}else setTimeout(this.obj+".fadeOut("+num+","+(this.color.length-1)+")",this.delay)
}
//The fade functions
function b_fadeIn(num,i){
	if (i<this.color.length){
		if (i==0 || bw.ns4) this.newsWrite(num,i)
      else{
        obj = bw.ie4?eval(this.obj+"link"):document.getElementById(this.obj+"link")
        obj.style.color = this.color[i]
      }
      i ++
      setTimeout(this.obj+".fadeIn("+num+","+i+")",this.speed)
	}else setTimeout(this.obj+".fadeOut("+num+","+(this.color.length-1)+")",this.delay)
}

function b_fadeOut(num,i) {
  if (i>=0) {
    if (i==0 || bw.ns4) this.newsWrite(num,i);
    else {
      obj = bw.ie4?eval(this.obj+"link"):document.getElementById(this.obj+"link");
      obj.style.color = this.color[i];
    }
    i --;
    setTimeout(this.obj+".fadeOut("+num+","+i+")",this.speed);
  } else {
    num ++;
    if(num==this.news.length) num=0;
    works = !this.works?0:this.works==1?1:Math.round(Math.random());
    if(works==0) setTimeout(this.obj+".fadeIn("+num+",0)",500);
    else if (works==1) {
      this.y=1; setTimeout(this.obj+".slideIn("+num+",0)",500);
    }
  }
}
/********************************************************************************************
The init function. Calls the object constructor and set some properties and starts the fade
*********************************************************************************************/
function fadeInit(){
	oNews = new makeNewsObj('divNews','divNewsCont',nFont,nFontsize,"nColor","nNews",nFadespeed,nBetweendelay,nSlidespeed,nWorks,nNewsheight)
	oNewsCont = new makeNewsObj('divNewsCont')
	works = !oNews.works?0:oNews.works==1?1:Math.round(Math.random())
	if (works==0) oNews.fadeIn(0,0)
    else if (works==1) oNews.slideIn(0,0)
      oNewsCont.css.visibility = "visible"
}

//Calls the init function on pageload. 
if(bw.bw) onload = fadeInit

//nNews = fetchRSS("http://www.smartvet.de/?type=100");