var news_box=1;
var action_box=1;

function formcheck_newsletter()
{
    var error_text = 'ok';
    var fields = new Array('newsletter_name','newsletter_email','newsletter_phone');
    var email = document.getElementById('newsletter_email').value;
    var emailfilter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    for(a=0;a<fields.length;a++)
    {
        if(document.getElementById(fields[a]).value == '')
	{
            error_text='<?php echo $texts_newsletter["all_must_be_filled"]; ?>';
            return error_text;
        }
    }
    if(!emailfilter.test(email))
    {
        error_text='<?php echo $texts_newsletter["bad_email"]; ?>';
	return error_text;
    }
    return error_text;	
}

function hide_news_boxes ()
{
    for(i=1;i<16;i++)
    {
        if (document.getElementById('news_box_'+i))
        	document.getElementById('news_box_'+i).style.display='none';
    }
}

function display_news_box (i)
{
	hide_news_boxes ();
    document.getElementById('news_box_'+i).style.display='block';    
}

function hide_action_boxes ()
{
    for(i=1;i<6;i++)
    {
        document.getElementById('action_box_'+i).style.display='none';
    }
}

function show_action_box (i)
{
    action_box = i;
    document.getElementById('actionImage'+i).src='images/main_actionbox_page' + i + '_b.jpg';
    document.getElementById('actionImage'+i).blur();
    document.getElementById('actionImage1').onmouseout=function () {};
    document.getElementById('actionImage2').onmouseout=function () {};
    document.getElementById('actionImage3').onmouseout=function () {};
    document.getElementById('actionImage4').onmouseout=function () {};
    document.getElementById('actionImage5').onmouseout=function () {};
    
    if (action_box!=1) 
    {
        document.getElementById('actionImage1').src='images/main_actionbox_page1_a.jpg';	
        document.getElementById('actionImage1').onmouseout=function () {MM_swapImgRestore()};
    }
    if (i!=2) 
    {
	document.getElementById('actionImage2').src='images/main_actionbox_page2_a.jpg';    
	document.getElementById('actionImage2').onmouseout=function () {MM_swapImgRestore()};
    }
    if (i!=3) 
    {
	document.getElementById('actionImage3').src='images/main_actionbox_page3_a.jpg';    
	document.getElementById('actionImage3').onmouseout=function () {MM_swapImgRestore()};
    }
    if (i!=4) 
    {
	document.getElementById('actionImage4').src='images/main_actionbox_page4_a.jpg';    
	document.getElementById('actionImage4').onmouseout=function () {MM_swapImgRestore()};
    }
    if (i!=5) 
    {
	document.getElementById('actionImage5').src='images/main_actionbox_page5_a.jpg';    
	document.getElementById('actionImage5').onmouseout=function () {MM_swapImgRestore()};
    }
    hide_action_boxes();
    document.getElementById('action_box_'+i).style.display='block';    
}