var CurrentMsg = 'HTML.it ';                    
function update(msg) {                           
	var pad_str="";                           
	n = msg.length;                           
	if(n<72) {                                   
		pad = (73-n)/2;                                   
		for(var i=0; i<pad; i++) {                                           
			pad_str+=" ";                        
		}                        
	}                          
	CurrentMsg = pad_str + msg;                           
	document.messages.field.value = CurrentMsg;
                clearTimeout(timer);                           
	timer = setTimeout("idleMsg()",5000);        
}                           

function MakeArray(n) {                           
	this.length=n;                           
	for(var i = 1; i<= n; i++) {                                   
		this[i] = "";                
	}                           
	return(this);        
	}               
	var index = 1;           
	var notice_num = 5;                   
	var notices = new MakeArray(notice_num);        
	notices[1] = "Welcome to our web site";
	notices[2] = "Chemical and Technologies for the";
	notices[3] = "Treatment - Cleaning - Finishing";        
	notices[4] = "Contact us: info@geal-chim.it";                 
	var timer = setTimeout('idleMsg()',1500);                   

function nochange() {                           
	document.messages.field.value = CurrentMsg;        
}                   

function idleMsg() {                           
	update(notices[index++]);                           
	if(index>notice_num) { 
		index=1; 
	}  
}