//browsercheck
function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}
bw=new checkBrowser()

//valore in pixel per la partenza
lstart=0

//solo una volta? * true= infinito * false= una sola volta.
loop=true

//valore velocità * Accrescendo il valore diminuisce la velocita'.
speed=85

//valore passaggi in pixel * Velocita' passaggio.
pr_step=1 

//costruzione oggetto
function makeObj(obj,nest){
	nest=(!nest) ? '':'document.'+nest+'.'
		this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
		this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;
		this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight
		this.newsScroll=newsScroll;
		this.moveIt=b_moveIt; this.x; this.y;
		this.obj = obj + "Object"
		eval(this.obj + "=this")
		return this
}

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

//scrolling dell'oggetto
function newsScroll(speed){
	if(this.y>-this.scrollHeight){
		this.moveIt(0,this.y-pr_step)
		setTimeout(this.obj+".newsScroll("+speed+")",speed)
	}else if(loop) {
		this.moveIt(0,lstart)
		eval(this.obj+".newsScroll("+speed+")")
	}
}

//creo l'oggetto
function newsScrollInit(){
	oNewsCont=new makeObj('divNewsCont')
	oNewsScroll=new makeObj('divNewsText','divNewsCont')
	oNewsScroll.moveIt(0,lstart)
	oNewsCont.css.visibility='visible'
	oNewsScroll.newsScroll(speed)
}

function EtnoWin(html_file, display_frame) {
	open(html_file,display_frame,"toolbar=no,scrollbars=yes,resizable=yes")
}