//fcia na zvysovanie / znizovanie hodnoty inputov urcujucich pocet produktov
function UpdateInputVal(elem,inputId)
{

    //window.alert(elem.value);
    if (!document.getElementById(inputId).value.isNaN)
    {
        if (elem.value == '+')
        {
            document.getElementById(inputId).value++;
        }//if (elem.value == '+')
        else
        {
            if (document.getElementById(inputId).value > 0)
            {
                document.getElementById(inputId).value--;
            }
        }//else
    }//if (!document.getElementById('product-input').value.isNaN)

}//UpdateInputVal

//fcia na zistenie typu browsera
function getBrowserType()
{
  if (navigator.appName=="Microsoft Internet Explorer"){
    if (navigator.userAgent.indexOf(")")+1==navigator.userAgent.length){return 1;}
	else{if (navigator.userAgent.indexOf(") Opera")!=-1){return 2;}}//else
  }//if (navigator.appName=="Microsoft Internet Explorer"){
  else{
    if (navigator.appName=="Netscape"){
	  if ((navigator.userAgent.indexOf(") Gecko")!=-1) && (navigator.userAgent.indexOf("Firefox")!=-1)){return 3;}
	  else{return 4;}
	}//if (navigator.appName=="Netscape"){
  }//else
  /*
        browser:
          1 - IE
          2 - Opera
          3 - Mozilla Firefox
          4 - else^^
   */
}//getBrowserType

//fcia na nastavenie pozicie hlavneho submenu 
function SetMainMenu(mainMenu,subMenu)
{
    browser      = getBrowserType();
    subMenuWidth = 150; 
    
    if (document.getElementById(subMenu))
    {
        if (browser == 1) //ie
        {
            document.getElementById(subMenu).style.left = document.getElementById(mainMenu).offsetLeft;
            document.getElementById(subMenu).style.top  = document.getElementById(mainMenu).offsetTop+30;
        }//if (browser == 1)
        
        if (document.getElementById(subMenu).offsetLeft > (rightBorder-subMenuWidth))
        {
            document.getElementById(subMenu).style.left = rightBorder-subMenuWidth;
        }
    }//if (subMenu)
}//SetMainMenu

//fcia na prepinanie viditelnosti hlavneho submenu
function toggleElemVisibility(elemID)
{
    var elem       = document.getElementById(elemID);
    var browser    = getBrowserType();
    var table      = document.getElementById('first-product');
    var paging     = document.getElementById('paging-top');
     
    elem.className = (elem.className == 'main-submenu-hidden')? 'main-submenu-visible' : 'main-submenu-hidden';
    
    if (browser == 1) //ie
    {
        paging.className     = (elem.className == 'main-submenu-hidden')? 'product-paging' : 'product-paging-ie';
        table.className      = (elem.className == 'main-submenu-hidden')? 'product-odd' : 'product-odd-ie';
    }//if (browser == 1) //ie
}//ToggleElemVisibility

//fcia na skopcenie poloziek registracneho formulara
function RegistrationCopyFields()
{
    var street    = document.RegForm.street;
    var s_street  = document.RegForm.shipping_street;
    var town      = document.RegForm.town;
    var s_town    = document.RegForm.shipping_town;
    var zip       = document.RegForm.zip;
    var s_zip     = document.RegForm.shipping_zip;
    var country   = document.RegForm.country;
    var s_country = document.RegForm.shipping_country;
    
    s_street.value = street.value;
    s_town.value   = town.value;
    s_zip.value    = zip.value;
    s_country.selectedIndex = country.selectedIndex; 
}//RegistrationCopyFields

//fcia na posunutie nahladovych obrazkov produktu dolava
function MoveThumbsLeft()
{
    if (last_thumb > 5)
    {
        var thumb1 = document.getElementById('image-thumb1');
        var thumb2 = document.getElementById('image-thumb2');
        var thumb3 = document.getElementById('image-thumb3');
        var thumb4 = document.getElementById('image-thumb4');
        var thumb5 = document.getElementById('image-thumb5');
    
        thumb1.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 6) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 6] + '&width=35&height=35" alt="Thumb"></a>';
        thumb2.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 5) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 5] + '&width=35&height=35" alt="Thumb"></a>';
        thumb3.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 4) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 4] + '&width=35&height=35" alt="Thumb"></a>';
        thumb4.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 3) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 3] + '&width=35&height=35" alt="Thumb"></a>';
        thumb5.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 2) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 2] + '&width=35&height=35" alt="Thumb"></a>';
    
        last_thumb--;
    }//if (last_thumb > 5)
}//MoveThumbsLeft

//fcia na posunutie nahladovych obrazkov produktu doprava
function MoveThumbsRight()
{
    if (last_thumb < thumb_count)
    {
        var thumb1 = document.getElementById('image-thumb1');
        var thumb2 = document.getElementById('image-thumb2');
        var thumb3 = document.getElementById('image-thumb3');
        var thumb4 = document.getElementById('image-thumb4');
        var thumb5 = document.getElementById('image-thumb5');
        
        thumb1.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 4) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 4] + '&width=35&height=35" alt="Thumb"></a>';
        thumb2.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 3) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 3] + '&width=35&height=35" alt="Thumb"></a>';
        thumb3.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 2) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 2] + '&width=35&height=35" alt="Thumb"></a>';
        thumb4.innerHTML = '<a onClick="SetThumb(' + (last_thumb - 1) + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb - 1] + '&width=35&height=35" alt="Thumb"></a>';
        thumb5.innerHTML = '<a onClick="SetThumb(' + last_thumb + ')" href="#"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[last_thumb] + '&width=35&height=35" alt="Thumb"></a>';
    
        last_thumb++;
    }//if (last_thumb < thumb_count)
}//MoveThumbsRight

//fcia na nastavenie nahladoveho obrazku
function SetThumb(index)
{
    var code = '<a href="#" onClick="window.open(\'' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[index] + '\', \'Zoom\', \'left=200,top=200,width=500,height=500,scrollbars=no,menubar=no,resizable=yes,status=no,toolbar=no\');"><img src="' + web_root + 'image.php?fullpath=medialib/ware/' + imgs[index] + '&width=240" id="thumb" alt="Thumb"></a>';
    
    jQuery('#product-images-window').html(code);
}//SetThumb
