$(document).ready(function () {
	var menu_active = $('td[class*=sublink_1][class="sublink_1_over"]');
	$('td[class*=sublink]').hover(function () {	
		$(this).addClass('sublink_1_over'); 
		$(this).removeClass('sublink_1');
	} 
	,
	function (){	
		$(this).addClass('sublink_1');
		$(this).removeClass('sublink_1_over');
		$(menu_active).addClass('sublink_1_over');
		$(menu_active).removeClass('sublink_1');
	});
	
	$(".block_main_1, .block_main_3").hover(
	    function() {
	        $(this).find(".block_photo > img.a").stop().animate({"opacity": "0"}, "slow");
	    },
	    function() {
	        $(this).find(".block_photo > img.a").stop().animate({"opacity": "1"}, "slow");
	    });

	$('.long').hide();
	$('.short').show();
	$('.short').click(function(){
		$(this).hide();
		$(this).next('.long').show();
	});
	$('.long').click(function(){
		$(this).hide();
		$(this).prev('.short').show();
	});
	
	$('#sendform').submit(function(){
		var errors = 0;
		$('#sendform_errors').html('');
		
		$("#sendform input[required='required']").removeClass('error');
		
		$("#sendform input[required='required']").each(function(){
			if ($(this).val() == ''){
				$(this).addClass('error');
				errors++;
			}
		});
		if (errors == 0){
			return true;
		}else{
			$('#sendform_errors').html('Please fill fields');
			return false;
		}
	});
});