function setFocus(fieldname){
	//imposta il focus su un campo
	var f=eval("document.forms[0]."+fieldname);
	f.focus();
}
function msgConfirm(message,url){
	//chiede conferma per effettuare l'operazione
	confok=window.confirm(message);
	if(confok==true){
		location.href=url;
	}else{
		return;
	}
}
function doSubmit(postcmd){
	var frm=document.forms[0];
	frm.postcmd.value=postcmd;
	frm.submit();
}
function viewGallery(target){
	//carica popup per la visualizzazione dell'immagine
	var maxWidth=screen.availWidth;
	var maxHeight=screen.availHeight;
	var winWidth=800;
	var winHeight=800;
	var xpos=(maxWidth-winWidth)/2;
	var ypos=(maxHeight-winHeight)/2;
	var photowin=window.open(target,'photowin','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,maximizable=no,copyhistory=no,scrollbars=yes,width='+winWidth+',height='+winHeight+',left='+xpos+',top='+ypos);
}