// number formatting function
// copyright Stephen Chapman 24th March 2006, 22nd August 2008
// permission to use this function is granted provided
// that this copyright notice is retained intact

function formatNumber(num,dec,thou,pnt,curr1,curr2,n1,n2) {var x = Math.round(num * Math.pow(10,dec));if (x >= 0) n1=n2='';var y = (''+Math.abs(x)).split('');var z = y.length - dec; if (z<0) z--; for(var i = z; i < 0; i++) y.unshift('0'); if (z<0) z = 1; y.splice(z, 0, pnt); if(y[0] == pnt) y.unshift('0'); while (z > 3) {z-=3; y.splice(z,0,thou);}var r = curr1+n1+y.join('')+n2+curr2;return r;}

function ric() {
	var quan=document.getElementById("quan").value;
	var price=document.getElementById("price").value;
	var nprezzo=quan*price;
	nprezzo=formatNumber(nprezzo,2,'.',',','','','-','')
	if(isNaN(quan)) {	
	} else {
		document.getElementById("prezzo").innerHTML=nprezzo+" &euro;";
	}
}