// funktion for gallery on home page

function showMe(num)
{
	var big, small;
	if ( document.getElementById && (big = document.getElementById('bigImage')) && big.style ) {
		big = big.getElementsByTagName('img')[0];
		small = document.getElementById('thumb_' + num);
		
		temp = big.src;
		big.src = small.src.replace('-thumb', '');
		small.src = temp.replace('.jpg', '-thumb.jpg');
	}
}

// funktion for show-hide links with arrows

function show(nr)
{
	var va = 'gallery1,gallery2,gallery3,gallery4,gallery5,gallery6';
	var array = va.split(',');
	for (var i in array) {
		var id = array[i];
		var Name = document.getElementById('browny_' + id);
		var button = document.getElementById('brownLink_' + id);
		if(Name!=null){
		if(nr == id){
			Name.style.display = 'block';
			button.className = 'on';
		
		}
		else {
			Name.style.display = 'none';
			button.className = '';
		 }
		}
	}
} 

function checkform(form1){
      var reMail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
      if ($('name').value == '') {
        $('name').focus();
        alert("Не сте въвели Име!");
        return(false);
      }
     
      if (($('email').value == '') || !reMail.exec($('email').value)) 	{
        alert("Моля въведете правилен е-майл адрес!");
        $('email').focus();
        return(false);
      }
       if ($('message').value == '') {
        alert("Не сте въвели текст!");
        $('message').focus();
        return(false);
      }

      return(form1.parentNode.submit());
    }