function submit_arch_form()
{
	var ok = true;
	var newspaper = document.arch_search_form.newspaper.options[document.arch_search_form.newspaper.selectedIndex].value;
	
	if(newspaper == -1)
	{
			ok = false;
			alert('select nespaper!');
	}
	
	if(document.arch_search_form.date_type[2].checked)
	{
		var number = parseInt(document.arch_search_form.number.value, 10);
		if(isNaN(number))
		{
			ok = false;
			alert('Enter correct number!');
		}
	}
	
	if(ok)
	{
		document.arch_search_form.submit();	
	}
}

function getPageByNum(form)
{
	var ok = true;
	var page = parseInt(form.page.value, 10);

	if(isNaN(page))
	{
		ok = false;
		alert('Enter correct number of page!');
	}
	else if(page > form.max.value || page < 1)
	{
		ok = false;
		alert('Number should be from 1 to ' + form.max.value + '!');		
	}

	if(ok)
	{
		form.submit();	
	}
	else
	{
	return false;
	}
}

function submit_helper_form(id)
{
	document.helper_form.hidden_param.value = id;
//    document.helper_form.hidden_param.value = "nhello";
//    alert(id);
    //...
	x_submit(document.helper_form);

}

function x_submit(form)
{
	if(form.submit)
	{
		form.submit();
	}
	else if(form.Submit)
	{
		form.Submit();
	}
}