/*
var curr_online_ref = 1;

function online_ref_up(){
	$('ref_online_'+curr_online_ref).setStyle('display','none');
	if(curr_online_ref - 1 == 0)
		curr_online_ref = online_ref_max;
	else curr_online_ref = curr_online_ref -1;	
	$('ref_online_'+curr_online_ref).setStyle('display','');
}

function online_ref_down(){
	$('ref_online_'+curr_online_ref).setStyle('display','none');
	if(curr_online_ref == online_ref_max)
		curr_online_ref = 1;
	else curr_online_ref = curr_online_ref + 1;	
	$('ref_online_'+curr_online_ref).setStyle('display','');
}

var curr_print_ref = 1;

function print_ref_up(){
	$('ref_print_'+curr_print_ref).setStyle('display','none');
	if(curr_print_ref - 1 == 0)
		curr_print_ref = print_ref_max;
	else curr_print_ref = curr_print_ref -1;	
	$('ref_print_'+curr_print_ref).setStyle('display','');
}

function print_ref_down(){
	$('ref_print_'+curr_print_ref).setStyle('display','none');
	if(curr_print_ref == print_ref_max)
		curr_print_ref = 1;
	else curr_print_ref = curr_print_ref + 1;	
	$('ref_print_'+curr_print_ref).setStyle('display','');
}
*/

function send_kontakt_form(){
	var error = "";
	if($('surename').value == ""){
		error += "Bitte geben Sie Ihren Namen ein.\n";
	}
	if($('name').value == ""){
		error += "Bitte geben Sie Ihren Vornamen ein.\n";
	}
	if($('business').value == ""){
		error += "Bitte geben Sie an für welches Unternehmen Sie tätig sind.\n";
	}
	if($('email').value == ""){
		error += "Bitte geben Sie Ihre E-Mail-Adresse an.\n";
	}
	if($('tel').value == ""){
		error += "Bitte geben Sie eine Telefonnumer an.\n";
	}
	if(error != "")
		alert(error);
	else{
		$('kontakt_form_form').submit();
	}
}