function resetClassName (element) {
	element.className  = '';
}

function setEmptyText (el) {
	var emptyText = 'Typ hier het trefwoord waar u naar zoekt';
	if (el) {
		if (el.value == emptyText) {
			el.value = '';
		} else if (el.value == '') {
			el.value = emptyText;
		}
	}
}

function swapView(activeElement) {
	if ($('#map') && $('#article_overview') && $('#all')) {
		if (activeElement == $('#map_overview').attr('id')) {
			//	Locatie(s) gekozen project
			$('#map_overview').css('display', 'block');
			$('#article_overview').css('display', 'none');
			$('#all').css('display', 'none');
			
			$("#buttonMap_button").attr('src', 'website/site_images/projects/project_map_buttons/send_default.jpg');
			$("#buttonProject_button").attr('src', 'website/site_images/projects/all_project_buttons/send_default.jpg');
			$("#locationProject_button").attr('src', 'website/site_images/projects/project_location_buttons/projectLocation_disabled.jpg');
			
			$("#buttonMap_button").css('cursor', 'pointer');
			$("#buttonProject_button").css('cursor', 'pointer');
			$("#locationProject_button").css('cursor', 'auto');
			
		} else if (activeElement == $('#article_overview').attr('id')) {
			//	Alle projecten
			$('#map_overview').css('display', 'none');
			$('#article_overview').css('display', 'block');
			$('#all').css('display', 'none');
			
			$("#buttonMap_button").attr('src', 'website/site_images/projects/project_map_buttons/send_default.jpg');
			$("#buttonProject_button").attr('src', 'website/site_images/projects/all_project_buttons/send_disabled.jpg');
			$("#locationProject_button").attr('src', 'website/site_images/projects/project_location_buttons/projectLocation_default.jpg');
			
			$("#buttonMap_button").css('cursor', 'pointer');
			$("#buttonProject_button").css('cursor', 'auto');
			$("#locationProject_button").css('cursor', 'pointer');
			
		} else {
			//	Projecten kaart
			$('#map_overview').css('display', 'none');
			$('#article_overview').css('display', 'none');
			$('#all').css('display', 'block');
			
			$("#buttonMap_button").attr('src', 'website/site_images/projects/project_map_buttons/send_disabled.jpg');
			$("#buttonProject_button").attr('src', 'website/site_images/projects/all_project_buttons/send_default.jpg');
			$("#locationProject_button").attr('src', 'website/site_images/projects/project_location_buttons/projectLocation_default.jpg');
			
			$("#buttonMap_button").css('cursor', 'auto');
			$("#buttonProject_button").css('cursor', 'pointer');
			$("#locationProject_button").css('cursor', 'pointer');
		}
	}
}

function load_popup(popup, url, width, height) {
	var left = (screen.width  - width) / 2 ;
	var top  = (screen.height - height) / 2 ;

	settings = "toolbar=no,status=no,scrollbars=yes,resizable=no,dependent=yes";
	settings += ",width=" + width;
	settings += ",height=" + height;
	settings += ",left=" + left;
	settings += ",top=" + top;
	
	var popup_window = window.open( url, popup, settings ) ;
}