function initGroupDialog() {
		// a workaround for a flaw in the demo system (http://dev.jqueryui.com/ticket/4375), ignore!
		//$( "#dialog:ui-dialog" ).dialog( "destroy" );

	    var grpName = $("#group_name"),
			grpDescription = $("#group_description"),
            //grpPrivacy = $("#group_privacy"),
			allFields = $([]).add(grpName).add(grpDescription), //.add(grpPrivacy),
			tips = $(".validateTips");



		function updateTips( t ) {
			tips
				.text( t )
				.addClass( "ui-state-highlight" );
			setTimeout(function() {
				tips.removeClass( "ui-state-highlight", 1500 );
			}, 500 );
		}

		function checkLength(o, n, min, max) {
		    var str = jQuery.trim(o.val());
		    if (str.length > max || str.length < min) {
				o.addClass( "ui-state-error" );
				updateTips(sformat(g_tr.group_length_err, n, min, max));
				return false;
			} else {
				return true;
			}
		}

		function checkRegexp( o, regexp, n ) {
			if ( !( regexp.test( o.val() ) ) ) {
				o.addClass( "ui-state-error" );
				updateTips( n );
				return false;
			} else {
				return true;
			}
		}

		$("#group-dialog").dialog({
			autoOpen: false,
			height: 300,
			width: 360,
			modal: true,
			buttons: {
				"Create": function() {
					var bValid = true;
					allFields.removeClass( "ui-state-error" );

					bValid = bValid && checkLength(grpName, g_tr.group_name, 3, 30);
					bValid = bValid && checkLength(grpDescription, g_tr.group_description, 0, 200);

					if ( bValid ) {
					    createGroup(grpName.val(), grpDescription.val(), "0"); 
						$( this ).dialog( "close" );
					}
				},
				Cancel: function() {
					$( this ).dialog( "close" );
				}
			},
			close: function() {
				allFields.val( "" ).removeClass( "ui-state-error" );
			}
		});
    }




    function openGroupDialog() {
        $("#group_description").val("");
        $("#group-dialog").dialog("open");
	}

	function createGroup(name, description, privacy) {
	    con.groupsManager.createGroup(name, description, privacy);
	}

	function group_description_count_chars(elem) {
	    var jelem = j$(elem);
	    var elemCharsLeft = j$("#group_description_chars_left");
	    var countLeft = 200 - jelem.val().length;
	    elemCharsLeft.text(g_tr.group_chars_left + countLeft);
	    if (countLeft < 0) {
	        elemCharsLeft[0].style.color = "red";
	    } else {
	        elemCharsLeft[0].style.color = "black";
	    }
	}