function CaHelpInterface(map) {
	this.map = map; // map interface object

	this.contentId;
	this.helpItems;
	this.currentPage;
	this.pageCount;
	this.blockTitle;
	
	this.isOn;
	
	this.pOnClose;

	this._create = function() {
		this.contentId = 'infoblock_help';
		
		this.attachEvents();
	}
	
	this.initialize = function() {
		this.isOn = false;
		
		this.currentPage = 0;
		this.pageCount = 0;
		this.blockTitle = '';
		
		this.pOnClose = jQuery.proxy(this.onClose, this);;
		
		this.attachEvents();
	}
	
	this.refresh = function() {
		if (this.helpItems[this.currentPage]) {
			var html = "<div id='help-obsah-inner'>" + this.helpItems[this.currentPage] + "</div>";
			html+= "<div id='help-ovladani' style='cursor: default'>";
			html+= this.blockTitle;
			for (var x = 0; x < this.pageCount; x++) {
				if (x == this.currentPage) {
					html+= "<a href='#' onclick='return " + this.map.globName + ".cCaHelp.setPage(" + x + ")'><strong>" + (x + 1) + "</strong></a> ";
				} else {
					html+= "<a href='#' onclick='return " + this.map.globName + ".cCaHelp.setPage(" + x + ")'>" + (x + 1) + "</a> ";
				}
			}
			html+= "</div>";
			document.getElementById("infoblock_help_obsah").innerHTML = html;
		}
	}
	
	this.setPage = function(p) {
		this.currentPage = p;
		this.refresh();
		
		return false;
	}
	
	this.setItems = function(items) {
		this.helpItems = items;
	}
	
	this.onClickFlip = function() {
		this.flip();
		
		return false;
	}
	
	this.flip = function() {
		if (!this.isOn) {
			this.show();
		} else {
			this.hide();
		}
	}
	
	this.show = function() {
		this.map.cCaInfoBox.openInfoBox(this.contentId, this.pOnClose);
		this.refresh();
		this.isOn = true;
	}
	
	this.hide = function() {
		this.map.cCaInfoBox.hideInfoBox();
	}
	
	this.onClose = function() {
		this.isOn = false;
	}
	
	this.attachEvents = function() {
	}
	
	this._create();
	this.initialize();
}