function controlla() {
	var npag;
	npag		= document.getElementById('npag').value;
	if (npag != 0) {
		document.getElementById('div1').style.position	 = 'relative';
		document.getElementById('div1').style.padding	 = 0+'px';
		document.getElementById('div1').style.width		 = 598+'px';
		numPag = document.getElementById('npag').value;
		for (i=2; i <= numPag; i++) {
			document.getElementById('div'+i).style.position = 'absolute';
			document.getElementById('div'+i).style.padding	= 0+'px';
			document.getElementById('div'+i).style.top		= 92+'px';
			document.getElementById('div'+i).style.left		= 32+'px';
			document.getElementById('div'+i).style.visibility = 'hidden';
			document.getElementById('div'+i).style.display = 'none';
			document.getElementById('div'+i).style.width	= 598+'px';
			if ((ind = navigator.appVersion.indexOf("MSIE")) != -1 && (versione = parseFloat(navigator.appVersion.substr(ind+5))) < 7) {	
				document.getElementById('div'+i).style.left		= 0+'px';
			}
		}
		document.getElementById('div1').style.visibility = 'visible';	
		document.getElementById('div1').style.display = 'block';
	}
}
function visualizza(pagina) {
	numPag = document.getElementById('npag').value;
	for (i=1; i <= numPag; i++) {
		document.getElementById('div'+i).style.visibility = 'hidden';
	}
	document.getElementById('div'+pagina).style.visibility = 'visible';
	document.getElementById('div'+pagina).style.display = 'block';	
}
window.onload = controlla;