/***  
NewsSlideFade 
*   Copyright (C) 2001 Thomas Brattli
*   Script date: 09/04/2001 (keep this date to check versions) 
***/
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()
//0 = Fade in - Fade out
//1 = Slide in - Fade out
//2 = Random 
nWorks = 0
nSlidespeed = 5 //in px
nNewsheight = 80 //This is how long down it should start the slide.
nBetweendelay = 1000 //The delay before fading out.
nFont = 'verdana, arial,helvetiva' //The font for the news.
nFontsize = 11 //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:
nColor=new Array('#ffffff', '#EEEEEE','#CCCCCC','#999999','#666666','#333333','#000000')
nNews=new Array()

nNews[0]=new Array()
nNews[0]["link"]="http://www.centrical.com/item/422/category/12.aspx"
nNews[0]["text"]="Albelli partners with Photobucket"
nNews[1]=new Array()
nNews[1]["link"]="http://www.centrical.com/item/421/category/12.aspx"
nNews[1]["text"]="Pandora"
nNews[2]=new Array()
nNews[2]["link"]="http://www.centrical.com/item/419/category/12.aspx"
nNews[2]["text"]="Ms. Dewey"
nNews[3]=new Array()
nNews[3]["link"]="http://www.centrical.com/item/420/category/12.aspx"
nNews[3]["text"]="KCUK"
nNews[4]=new Array()
nNews[4]["link"]="http://www.centrical.com/item/416/category/12.aspx"
nNews[4]["text"]="Centrical presents at expert summit"
nNews[5]=new Array()
nNews[5]["link"]="http://www.centrical.com/item/415/category/12.aspx"
nNews[5]["text"]="Alas, We Did Not Win"
nNews[6]=new Array()
nNews[6]["link"]="http://www.centrical.com/item/414/category/12.aspx"
nNews[6]["text"]="RSS import using AJAX and .NET"
nNews[7]=new Array()
nNews[7]["link"]="http://www.centrical.com/item/409/category/12.aspx"
nNews[7]["text"]="Centrical product Site of the Day"
nNews[8]=new Array()
nNews[8]["link"]="http://www.centrical.com/item/408/category/12.aspx"
nNews[8]["text"]="Congress Abandons WikiConstitution"
nNews[9]=new Array()
nNews[9]["link"]="http://www.centrical.com/item/407/category/12.aspx"
nNews[9]["text"]="Microsoft aims at Google"
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
}
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]['text']+"</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]['text']+'</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"
}
