var scrollingspeed=20; var scrollingpause=3000;
var NoMessages=0;
var messages=new Array();

function crearray(){
 messages[NoMessages]=crearray.arguments[0];  
 NoMessages++;
 return;
}


 function returnanobject(sObject) {
	var d=new Object(); aString=sObject.toString();
	  if (document.layer) { d=eval(sObject);
		  } else if (document.all) {d=document.all(aString); return d;
		  } else if (document.getElementById){d=document.getElementById(aString); return d;
		  }
	 return;
 }
 
var idscrolleditem=0;

function scrollmovement() {
 var obj=returnanobject('scrolltesto');
 var icurrentTop=parseInt(obj.offsetTop);

 if (icurrentTop<5) {
   clearInterval(intScroll);
   intScroll=setInterval('pause()',scrollingpause); 
  } else {obj.style.top=icurrentTop-2; }
}

function pause(){
  idscrolleditem=(idscrolleditem+1) % NoMessages;
  var obj=returnanobject('scrolltesto');
  obj.style.top=scrollerheight;
  clearInterval(intScroll);
  obj.innerHTML=messages[idscrolleditem];
  intScroll=setInterval('scrollmovement()',scrollingspeed);
  return;
}


function attivanews (da_attivare) {
  if (da_attivare) { 
    returnanobject('news').style.display='block';
	returnanobject('scrolltesto').innerHTML=messages[idscrolleditem];
	intScroll=setInterval('scrollmovement()',scrollingspeed);
  } else {
    clearInterval(intScroll);
    returnanobject('news').style.display='none';
  }
}