function checkform(page){
	if(page == 'account'){
		message = 'Are you sure to modify this account';
	}else if(page == 'invoice'){
		message = 'Are you sure to record this invoice';
	}else{
		if(page == 'scellee'){
			message = 'Etes-vous sūr de vouloir enregister cet ordre d\'achat';
		}else{
			message = 'Are you sure to record this bid';
		}
	}
	if(confirm(message)){
		return true;
	}else{
		return false;
	}
}