// funkcje przeniesione z user_func.inc

function handle_action(action, arg)
{
    if((action == "delete" || action == "remove") && !confirm("<?php echo $LANG["really-delete"]; ?>")) return;
	if((action == "save" || action == "saveexit") && !validate_form()) return;
    document.forms.main.form_arg.value = arg;
    document.forms.main.form_action.value = action;
    window.setTimeout("document.forms.main.submit()", 100);
}

function validate_ne(name, field)
{
    if(document.forms.main[field].value.length == 0)
	{
	    alert("<?php echo $LANG["field"]; ?> \"" + name + "\" <?php echo $LANG["nonempty"]; ?>");
		return false;
	}
	else return true;
}

// koniec funkcji przeniesionych z user_func.inc


function checkEmail(field) {
	
	var dt=document.forms.main[field];
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(dt.value))	return true;
	alert("Niepoprawny adres e-mail.");
	dt.focus();
	return false;
}

function validate_newsletter()
{
	if(!checkEmail("newsletter")) return false;
	return true;
}