function checkInput(theForm) {
	if ((theForm.chiave.value==0) && (theForm.chiave.value.length<=0) && (theForm.ipbcd.value==0) && (theForm.ipbcd.value.length<=0) && (theForm.codfp.value==0) && (theForm.codev.value==0) && (theForm.codsl.value==0)) {
		return false
		}
	else {
		theForm.submit();
	}
}