$.ajax({
		            type: 'POST',
		            url: 'login.php',
		            data: {lgnUsername: $("#lgn_username").val(), lgnPassword: $("#lgn_password").val()},
		            success: function(data){
		 			$( ".lgn_progress" ).addClass( "hide" )
		 			if (data.indexOf('success') >= 0) {
		 				var SessionHash = data.replace("success:", "");
						setCookie('hash',SessionHash)
						location.reload();
					}else if (data == 'error1') {
						M.toast({html: 'Wrong username or password!'})
						$( "#lgn_password" ).addClass( "invalid" );
						$( "#lgn_username" ).addClass( "invalid" );
					}
	            }
	          });