/*var scroller_width='250px';
var scroller_height='200px';*/

var bgcolor='#E8F5FA';
var border_color='#E8F5FA'; 
var pause=5000;
var font_family = "Verdana"
var font_size= "8px";

var scroller_height;
var scrollercontent=new Array()

//scrollercontent[0]='Visita <a href="http://guidapagineweb.altervista.org">Guida pagine web</a> e contribuisci a migliorare il mondo... oltre che i nostri accessi unici :)'
//scrollercontent[1]='Partecipa al <a href="http://guidapagineweb.altervista.org/Guida-Javascript">Guida Javascript</a> e contribuisci a migliorare il problema dello smog rimanendo in casa.'
//scrollercontent[2]='Ogni 45/60 minuti passati davanti al pc ricordati di fare una breve pausa... fa bene a te e fa bene allo schermo che non ne può più di vedere sempre la tua faccia che lo fissa.'

var ie4=document.all
var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1

var style='position:relative;'+
          
          'overflow:hidden;'+
          'border: 1px '+border_color+';'+
          'border-style: solid;';

          

if (ie4||dom){
document.write('<div id="scrollerNews" align="left" style="'+style+'"><div class="tabella"  id="canvas0" style="position:absolute;background-color:'+bgcolor+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div><div class="tabella" id="canvas1" style="position:absolute;background-color:'+bgcolor+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div></div>')
} 

/*else if(document.layers){
document.write('<ilayer id=tickernsmain visibility=hide width='+scroller_width+' height='+scroller_height+' bgColor='+bgcolor+'><layer id=tickernssub width='+scroller_width+' height='+scroller_height+' left=0 top=0>'+scrollercontent[0]+'</layer></ilayer>')
}*/

//var curpos=scroller_height*(1)
var degree=10
var curcanvas="canvas0"
var curindex=0
var nextindex=1

function moveslide(){
if (curpos>0){
curpos=Math.max(curpos-degree,0)
tempobj.style.top=curpos+"px"
}
else{
clearInterval(dropslide)
if (crossobj.filters)
crossobj.filters.alpha.opacity=100
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=1
nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1"
tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
tempobj.innerHTML=scrollercontent[curindex]
nextindex=(nextindex<scrollercontent.length-1)? nextindex+1 : 0
setTimeout("rotateslide()",pause)
}
}

function rotateslide(){
    if (ie4||dom){
	    resetit(curcanvas)
	    crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
	    crossobj.style.zIndex++
	    if (crossobj.filters)
	    document.all.canvas0.filters.alpha.opacity=document.all.canvas1.filters.alpha.opacity=20
	    else if (crossobj.style.MozOpacity)
	    document.getElementById("canvas0").style.MozOpacity=document.getElementById("canvas1").style.MozOpacity=0.2
	    var temp='setInterval("moveslide()",50)'
	    dropslide=eval(temp)
	    curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
	}
	else if (document.layers){
	    crossobj.document.write(scrollercontent[curindex])
	    crossobj.document.close()
	}
	curindex=(curindex<scrollercontent.length-1)? curindex+1 : 0
}

function resetit(what){
curpos=parseInt(scroller_height)*(1)
var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
crossobj.style.top=curpos+"px"
}

function startit(){
crossobj=ie4? eval("document.all."+curcanvas) : dom? document.getElementById(curcanvas) : document.tickernsmain.document.tickernssub
if (ie4||dom){
crossobj.innerHTML=scrollercontent[curindex]
rotateslide()
}
else{
document.tickernsmain.visibility='show'
curindex++
setInterval("rotateslide()",pause)
}
}

function showText(scrWidth, scrHeight) {
    
    scroller_height = scrHeight;
    var curpos=scrHeight*(1);
       
    var divNews = document.getElementById("scrollerNews");
    divNews.style.width = scrWidth;
    divNews.style.height = scrHeight;
    
    var canvas0 = document.getElementById("canvas0");
    canvas0.style.width = scrWidth;
    canvas0.style.height = scrHeight;
    canvas0.style.top = scrHeight;
    
    var canvas1 = document.getElementById("canvas1");
    canvas1.style.width = scrWidth;
    canvas1.style.height = scrHeight;
    canvas1.style.top = scrHeight;
    
    /*if (ie4||dom||document.layers)*/
    if (ie4||dom)
    window.onload=startit
}