bto = new Array();
btu = new Array();
btc = new Array();
for (i=0; i<=29; i++) {
	bto[i] = new Image();
	bto[i].src = 'ig/bto'+i+'.gif';
	btu[i] = new Image();
	btu[i].src = 'ig/btu'+i+'.gif';
	btc[i] = new Image();
	btc[i].src = 'ig/btc'+i+'.gif';
}

function bup (NR) {
	document.images['bt'+NR].src=bto[NR].src ; 
}

function bdw (NR) {
	document.images['bt'+NR].src=btu[NR].src ; 
}

function initial() {
	movediv = false;
	if (document.layers) {document.captureEvents(Event.MOUSEMOVE ); document.onmousemove = vtmov;}
	if (document.getElementById && !document.all)  {window.addEventListener("mousemove", vtmov, true)}
}

function vtmov(evt) {
	if (movediv) {
		if (document.layers) {
			Y = evt.pageY + 15 ; document.layers.DFIS.top= Y; 
			X = evt.pageX -75 ; document.layers.DFIS.left=X;
		}
		if (document.all) {
			Y = window.event.y + 15 + document.body.scrollTop ; DFIS.style.posTop= Y ;  
			X = window.event.x -75; DFIS.style.posLeft=X;
		}
		if (document.getElementById && !document.all)  {
			Y = evt.pageY + 15; document.getElementById("DFIS").style.top= Y ; 
			X = evt.pageX -75; document.getElementById("DFIS").style.left=X ;
		}
	}
}

function vtfis(STRINGA) {
	if (movediv) {
		Kstr1="<table cellspacing=0 cellpadding=3 border=0><tr><td bgcolor='#CCCCCC' class=df1 nowrap>"
		Kstr2="</td></tr></table>"
		stingontut=Kstr1+STRINGA+Kstr2
		if (document.layers) {
				document.layers.DFIS.document.write(stingontut);
				document.layers.DFIS.document.close();
				document.layers.DFIS.visibility='show';
				return false;
		}
		if (document.all) {
				DFIS.innerHTML=stingontut;
				DFIS.style.visibility='visible';
		}	
		if (document.getElementById && !document.all) {
				document.getElementById("DFIS").innerHTML=stingontut ; 
				document.getElementById("DFIS").style.visibility='visible';
		}
	}
}

function novt() {
		if (document.layers) {
				document.layers.DFIS.visibility='hide';
		}
		if (document.all) {
				DFIS.style.visibility='hidden';
		}	
		if (document.getElementById && !document.all) {
				document.getElementById("DFIS").style.visibility='hidden';
		}

}

function chov(NR) {
	if (document.all) {
		tr = eval ("tr"+NR);
		tr.className='a2';
	}
	if (document.getElementById && !document.all) {
		document.getElementById("tr"+NR).className='a2';
	}
}

function chot(NR) {
	if (document.all) {
		tr = eval ("tr"+NR);
		tr.className='a1';
	}
	if (document.getElementById && !document.all) {
		document.getElementById("tr"+NR).className='a1';
	}
}

function fsubm() {
	if (document.all) {
		if (window.event.keyCode==13) {document.forms['entrata'].submit();}
			}
}

function a2(row) {
	row.className="a2";
}
function a1(row) {
	row.className="a1";
}

function nocar() {alert ("IL PRODOTTO É DISPONIBILE A RICHIESTA. VI PREGHIAMO\n  DI CONTATTARE IL NOSTRO UFFICIO COMMERCIALE"); }