var currentCorso = 0;
var listacorsi = new Array(2);
var pCurrentCorso = { currentCorso:0 } 



function addScrollers() {
// code each scroller as follows:
// startScroll('id of scroller div','content of scroller');
// startScroll('myscroller','<p><a href="http:\/\/javascript.about.com\/">Focus on JavaScript<\/a> has JavaScript tutorials, help pages, and lots of <b>free scripts<\/b>.<\/p><p><a href="http:\/\/www.felgall.com\/">Ask Felgall<\/a> for help with anything to do with computers.</p><p><a href="http:\/\/about.com\/">About.com<\/a> - the ultimate guide directed information resource on the web.<\/p>');
listacorsi[0] = '<p>Corso per RSPP Datore di Lavoro<br> <i>Maggio 2010 </i><br><br> <a class="iscrivitiOra" href="IscrizioneCorsiRSPPDL.php"><b>ISCRIVITI ORA!</a></p>';
listacorsi[1] = '<p>Corso per Preposto<br> <i>Giugno-Luglio 2010 </i><br><br> <a class="iscrivitiOra" href="IscrizioneCorsiPreposto.php"><b>ISCRIVITI ORA!</a></p>';
nextscroll()
//for (i=0; i<listacorsi.length; i++)
//    {
//   //alert( i );
//   // if (i==listacorsi.length)i=0;
//    startScroll('twoscroll', listacorsi[i]);
//    }
}

function nextscroll()
{


if ( pCurrentCorso.currentCorso == listacorsi.length) 
    {
     pCurrentCorso.currentCorso=0;
    }

startScroll('twoscroll', listacorsi[pCurrentCorso.currentCorso]);
//startScroll('twoscroll', 'Corso');
pCurrentCorso.currentCorso=pCurrentCorso.currentCorso+1;

}

var speed=40; // scroll speed (bigger = faster)
var dR=false; // reverse direction
var scrFId = 0;
// Vertical Scroller Javascript
// copyright 24th September 2005, by Stephen Chapman
// permission to use this Javascript on your web page is granted
// provided that all of the code below (as well as these
// comments) is used without any alteration


var step = 1; 
var nvolte = 100;


function objWidth(obj) {
if(obj.offsetWidth) return obj.offsetWidth; 
if (obj.clip) return obj.clip.width; 
return 0;
} 

function objHeight(obj) {
if(obj.offsetHeight) return obj.offsetHeight;
if (obj.clip) return obj.clip.height;
return 0;
} 

function scrF(i,sH,eH, SHEIGHT,scrFId){

if(parseInt(i.top) == SHEIGHT)

{

if (nvolte == 0) {i.top=parseInt(i.top)- step + 'px'; nvolte = 100; }
else {nvolte = nvolte - 1;}
}

else{

var x=parseInt(i.top)+(dR? step: -step);
if(dR && x>sH)x=-eH;
else if(x<2-eH){x=sH;clearInterval(scrFId);nextscroll();}
i.top = x+'px';
}
} 

function startScroll(sN,txt){

var scr=document.getElementById(sN);
var sW = objWidth(scr)-6; 
var sH = objHeight(scr); 

scr.innerHTML = '<div id="'+sN+'in" style="position:absolute; left:3px; width:'+sW+';">'+txt+'<\/div>'; 
var sTxt=document.getElementById(sN+'in'); 
var eH=objHeight(sTxt); 
sTxt.style.top=(dR? -eH : sH)+'px'; 
sTxt.style.clip='rect(0,'+sW+'px,'+eH+'px,0)'; 
var SHEIGHT = parseInt (sH/2 - eH/2);
scrFId = setInterval(function() { scrF(sTxt.style,sH,eH,SHEIGHT,scrFId); },1000/speed);
}

window.onload = addScrollers;