function ShowCategories(id) {
   
   new Ajax.Request('ajax_subcategories.php?cat='+id,
    {
        method:'get',
        onSuccess: function(transport){
            var response = transport.responseText;
			if(response != ''){
			   document.getElementById('LeftCategoriesMenu').style.visibility = 'visible';
			   document.getElementById('SubCategories').innerHTML = response;
            } else {
			  document.getElementById('LeftCategoriesMenu').style.visibility = 'hidden';
			  document.getElementById('SubCategories').innerHTML = '';
			}
	    }
        , onFailure: function(){ 
            alert(response)
        } 
    });
    
}
function OnClickCategoryLink (id,reload) {
    if(reload == 'N') {
	  ShowCategories(id);
	} else {
	self.location.href = 'home.php?ajax=Y&cat='+id;
	}
}