jQuery.fn.extend({
    selectbox: function(options) {
        return this.each(function() {
            new jQuery.SelectBox(this, options);
        });
    }
});

jQuery.SelectBox = function(selectobj, options) {

    var opt = options || {};
    opt.inputClass = opt.inputClass || "selectbox";
    opt.containerClass = opt.containerClass || "selectbox-wrapper";
    opt.hoverClass = opt.hoverClass || "selected";
    opt.debug = opt.debug || false;

    var elm_id = selectobj.id;
    var active = -1;
    var inFocus = false;
    var hasfocus = 0;
    //jquery object for select element
    var $select = $(selectobj);
    // jquery container object
    var $container = setupContainer(opt);
    //jquery input object 
    var $input = setupInput(opt);
    // hide select and append newly created elements
    $select.hide().before($input).before($container);

    init();

    $input
	.click(function() {
	    if (!inFocus) {
	        $container.toggle();
	    }
	})
	.focus(function() {
	    if ($container.not(':visible')) {
	        inFocus = true;
	        $container.show();
	    }
	})
	.keydown(function(event) {
	    switch (event.keyCode) {
	        case 38: // up
	            event.preventDefault();
	            moveSelect(-1);
	            break;
	        case 40: // down
	            event.preventDefault();
	            moveSelect(1);
	            break;
	        //case 9:  // tab     
	        case 13: // return
	            event.preventDefault(); // seems not working in mac !
	            setCurrent();
	            hideMe();
	            break;
	    }
	})
	.blur(function() {
	    if ($container.is(':visible') && hasfocus > 0) {
	        if (opt.debug) console.log('container visible and has focus')
	    } else {
	        hideMe();
	    }
	});


    function hideMe() {
        hasfocus = 0;
        $container.hide();
    }

    function init() {
        $container.append(getSelectOptions()).hide();
        var width = $input.width()
        $container.width(width);
    }

    function setupContainer(options) {
        var container = document.createElement("div");
        $container = $(container);
        $container.attr('id', elm_id + '_container');
        $container.addClass(options.containerClass);

        return $container;
    }

    function setupInput(options) {
        var input = document.createElement("input");
        var $input = $(input);
        $input.attr("id", elm_id + "_input");
        $input.attr("type", "text");
        $input.addClass(options.inputClass);
        $input.attr("autocomplete", "off");
        $input.attr("readonly", "readonly");
        $input.attr("tabIndex", $select.attr("tabindex")); // "I" capital is important for ie

        return $input;
    }

    function moveSelect(step) {
        var lis = $("li", $container);
        if (!lis) return;

        active += step;

        if (active < 0) {
            active = 0;
        } else if (active >= lis.size()) {
            active = lis.size() - 1;
        }

        lis.removeClass(opt.hoverClass);

        $(lis[active]).addClass(opt.hoverClass);
    }

    function setCurrent() {
        var li = $("li." + opt.hoverClass, $container).get(0);
        var el = li.id
        $select.val(el);
        $input.val($(li).html());
        return true;
    }

    // select value
    function getCurrentSelected() {
        return $select.val();
    }

    // input value
    function getCurrentValue() {
        return $input.val();
    }

    function getSelectOptions() {
        var select_options = new Array();
        var ul = document.createElement('ul');
        $select.children('option').each(function() {
            var li = document.createElement('li');
            li.setAttribute('id', $(this).val());
            li.innerHTML = $(this).html();
            if ($(this).is(':selected')) {
                $input.val($(this).html());
                $(li).addClass(opt.hoverClass);
            }
            ul.appendChild(li);
            $(li)
			.mouseover(function(event) {
			    hasfocus = 1;
			    if (opt.debug) console.log('out on : ' + this.id);
			    jQuery(event.target, $container).addClass(opt.hoverClass);
			})
			.mouseout(function(event) {
			    hasfocus = -1;
			    if (opt.debug) console.log('out on : ' + this.id);
			    jQuery(event.target, $container).removeClass(opt.hoverClass);
			})
			.click(function(event) {
			    if (opt.debug) console.log('click on :' + this.id);
			    $(this).addClass(opt.hoverClass);
			    setCurrent();
			    hideMe();
			});
        });
        return ul;
    }

};


// textarea maxlength
jQuery.fn.setCounter = function(maxLength) {

    return this.each(function() {

        var jqthis = jQuery(this);

        if (jqthis.is('textarea')) {

            var counterId = jqthis.attr('id') + "_counter";

            var htmlCounter = '<div id="' + counterId + '">';
            htmlCounter += '<span class="length">' + jqthis.val().length + '</span>';

            if (maxLength) {
                htmlCounter += '<span class="sep"> / </span>';
                htmlCounter += '<span class="maxLength">' + maxLength + '</span>';
            }

            htmlCounter += '</div>';

            jqthis.after(htmlCounter);

            jQuery('#' + counterId).width(jqthis.width()).addClass("txtcounter");

            jqthis.bind("keyup", function() {

                var content = jqthis.val();

                if (maxLength && content.length > maxLength) {
                    content = content.substring(0, maxLength)
                    jqthis.val(content);
                }

                jQuery('#' + counterId + " > span.length").text(content.length);

            });

        } else {
            alert("Hiba! Nem alkalmazható elem: " + jqthis);
        }
    });
}
// textarea maxlength END

$(function() {
    if ($('#myselectbox').length > 0) {
        $('#myselectbox').selectbox();
        // set textarea maxlength
        $(".sms160").setCounter(160);
    }
});


// webcam kepcseregeto
function changepic(t, id) {
    document.getElementById('webcam_image_' + id).setAttribute('src', t.getAttribute('img'));
    document.getElementById('webcam_caption_' + id).innerHTML = t.getAttribute('caption');
}

function refresh() {
  var imgs = document.getElementsByTagName('img');
  var re = new RegExp('(.+?\.jpg).*', 'g');

  for(i=0;i<imgs.length;i++) {
    if(imgs[i].getAttribute('imgtype')=="refresh") {
      imgs[i].src = imgs[i].src.replace(re, '$1?rnd='+Math.random());
    }
  }

  setTimeout("refresh()", 15000);
}