function getObj(obj) {
	
	if (document.all && !document.getElementById) {
		//alert("Internet Explorer 4");
		// Internet Explorer 4
		return document.all(obj);
	}
	if (document.all && document.getElementById) {
		//alert("Internet Explorer 5");
		// Internet Explorer 5
		return document.getElementById(obj);
	}
	if (document.layers) {
		//alert("Netscape 4");
		// Netscape 4
		return document.layers(obj);
	}
	if (!document.all && document.getElementById) {
		//alert("Netscape 6");
		// Netscape 6
		return document.getElementById(obj);
	}
	

}

function getObjInFrame(obj,frm) {
	
	if (document.all && !document.getElementById) {
		//alert("Internet Explorer 4");
		// Internet Explorer 4
		return eval('top.'+frm+'.document.all(obj)');
	}
	if (document.all && document.getElementById) {
		//alert("Internet Explorer 5");
		// Internet Explorer 5
		return eval('top.'+frm+'.document.getElementById(obj)');
	}
	if (document.layers) {
		//alert("Netscape 4");
		// Netscape 4
		return eval('top.'+frm+'.document.layers(obj)');
	}
	if (!document.all && document.getElementById) {
		//alert("Netscape 6");
		// Netscape 6
		return eval('top.'+frm+'.document.getElementById(obj)');
	}
	

}

function checkVal(field) {
	if(isNaN(field.value) || field.value=="") {
		alert("Il valore inserito non è un numero");
		field.select();
		return false;
	}
	return true;
}

function emptyTest(field) {
	if(field.value == "") {
		alert("Il valore immesso non è corretto");
		field.focus();
	}
}

function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}


function redirect(url,target) {
	if(target == null || target=="")
		window.location = url;
	else
		eval(target).window.location = url;
}
 
function newWin(text,w,h,scrolls,status,resize) {
	urlToGet=text;
	myFloater = window.open('','','scrollbars='+scrolls+',status='+status+',width='+w+',height='+h+',top=0,left=0,resizable='+resize);
    if ( myFloater.opener == null )
    myFloater.opener = self;
    myFloater.location.href = urlToGet;

}