function checkRequestCatalog() {
	var isGood = true;
	
	if ($('#request_yourName').val() == 'Your name...') {
		$('#request_yourName').addClass('errorHere');
		isGood = false;
	} else
		$('#request_yourName').removeClass('errorHere');
		
	
	if ($('#request_yourEmail').val() == 'Email address...') {
		$('#request_yourEmail').addClass('errorHere');
		isGood = false;
	} else
		$('#request_yourEmail').removeClass('errorHere');
	
	return isGood;
}

function submitRequestCatalog() {
	if (checkRequestCatalog()) {	
		var parameters = $('#requestCatalogForm').serializeArray();
		$('#requestCatalogBox').html('<br /><center><img src="staticfiles/loader-circle.gif" /><br /><br /></center>');
		$.ajax({
			url: 'staticfiles/requestCatalogForm.php',
			type: 'post',
			data: parameters,
			success: function(transport) {
				$('#requestCatalogBox').html(transport);
			}
		});
	}
}

function showPopup() {
	if (!($('#popupBox').is(':visible'))) {
		var windowSize = document.viewport.getDimensions();
		$('#popupBox').css({
			left: 	String(($(window).width() - $('#popupBox').width()) / 2) + "px",
			top: 	String($(window).scrollTop() + $(window).height() / 2 - $('#popupBox').height() / 2) + 'px'
		});
		
		$('#popupBox').fadeIn('fast');
	}
}

function hidePopup() {
	if (($('#popupBox').is(':visible')))
		$('#popupBox').fadeOur('fast');
}