jQuery(function() {
    jQuery.support.placeholder = false;
    test = document.createElement('input');
    if('placeholder' in test) jQuery.support.placeholder = true;
});

$(function() {
    if(!$.support.placeholder) {
        var active = document.activeElement;
        $(':text, textarea').focus(function () {
            if ($(this).attr('placeholder') != '' && $(this).val() == $(this).attr('placeholder')) {
                $(this).val('').removeClass('hasPlaceholder');
            }
        }).blur(function () {
                if ($(this).attr('placeholder') != '' && ($(this).val() == '' || $(this).val() == $(this).attr('placeholder'))) {
                    $(this).val($(this).attr('placeholder')).addClass('hasPlaceholder');
                }
            });
        $(':text, textarea').blur();
        $(active).focus();
        $('form').submit(function () {
            $(this).find('.hasPlaceholder').each(function() { $(this).val(''); });
        });
    }
});

function setFormStatus(status) {
    $('#video-form-status').removeClass();
    $('#video-form-status').addClass('status-' + status);
}

function setFormStatus2(status, statustext) {
    $('#video-form-status2').removeClass();
    $('#video-form-status2').addClass('status-' + status);
    $('#video-form-status2').html('<span class="frm-' + status + '">' + statustext + '</span>');
}

function setIcoActive(ico) {
    $('.u-vicons li').removeClass('v-ico-active');
    $('.u-vicons li.v-ico-' + ico).addClass('v-ico-active');
}

function setButtonStatus(status) {
    if (status == 'active') {
        $('#add-video-btn').removeClass('inactive');
    }
    else {
        $('#add-video-btn').addClass('inactive');
    }
}

function setLoadBtnStatus(status) {
    if (status == 'active') {
        $('#yt-loadfile-wrapper').removeClass('inactive');
    }
    else {
        $('#yt-loadfile-wrapper').addClass('inactive');
    }
}

function videoLoadStep(step) {
    if (step == 'next') {
        $('ul.video-load').animate({marginLeft: '-=' + 100 + '%'}, 400, function(){$('.first-step').css('height', '0');});
    }
    else {
        $('ul.video-load').animate({marginLeft: '+=' + 100 + '%'}, 400, function(){$('.first-step').css('height', 'auto');});
    }
    setFormStatus2('none', '');
    return false;
}

$(document).ready(function() {
    if (!(document.compatMode == 'BackCompat')) {
        $('.u-input.ui-size2').parent().addClass('size2-parent');
    }
    /*----u-tabs----*/
    $('li.u-tab:eq(1)').after('<li class="u-tab fake-tab"><a href="#utab2" class="fake-tab-a">&nbsp;</a></li>');
    $('li.fake-tab').css("display", 'block');
    $('li.u-tab a').click(function() {
        if (!$(this).hasClass('utab-active')) {
            if (!$(this).hasClass('fake-tab-a')) {
                $('li.u-tab a').removeClass('utab-active');
                $(this).addClass('utab-active');
                if ($(this).attr('href') == '#utab2') {$('.fake-tab-a').addClass('utab-active');}
                $('li.u-tabcont').hide();
                $('li.u-tabcont' + $(this).attr('href')).fadeIn('fast');
                if($(this).attr('href') == '#utab3'){$('ul.hidden-el').css('display','none');setButtonStatus('inactive');}
            }
        }
        return false;
    });
    /*--------------*/

    /*---add/edit-from--*/
    if ($('.u-addform').hasClass('u-editform')) {
        $('li.u-tab:eq(1) a').click();
        $('.hidden-el').slideDown('fast');
        setButtonStatus('active');
    }
    else {
        $('li.u-tab:eq(0) a').click();
        /*$('.vi-form-content').width($('.u-tabs-ul li').width() * 3);
        $(window).resize(function(){
            $('.vi-form-content').width($('.u-tabs-ul li').width() * 3);
        });*/
    }
    /*------------------*/

    $('.ui-add-link').click(function() {
        if ($(this).hasClass('ui-add-closed')) {
            $('.ui-add').slideDown();
            $(this).removeClass('ui-add-closed');
        }
        else {
            $('.ui-add').slideUp();
            $(this).addClass('ui-add-closed');
        }
        return false;
    });

    $('.ui-langs a').click(function() {
        if(!$(this).hasClass('selected')) {
            $('.ui-langs a').removeClass('selected');
            //var l_code = /\w{2,3}$/.exec($(this).attr('class'));
            $(this).addClass('selected');
            $('#f_language').val($(this).attr('title'));
            $('#f_language_code').val($(this).attr('lng'));
        }
        return false;
    });

    $('#langs-more').change(function() {
        //$('#f_language').parent('li').fadeToggle();
        if($('#f_language').parent('li').css('display') == 'block'){
            $('#f_language').parent('li').css('display','none');
        }else{
            $('#f_language').parent('li').css('display','block');
        }
        /*if($(this).selected) {
         $('.ui-langs a').removeClass('selected');

         }*/
    });
    $('#f_language').bind('change',function(){
        if(this.value!=$('li > a.selected').attr('title')){
            $('li > a.selected').removeClass('selected');
            $('#f_language_code').val('');
        }});

    /*$('#up_file').bind('change',function() {
        var file = $(this).val();
        file = file.replace(/.*[\\/]/,'');
        var reWin = /.*\\(.*)/;
        var fileTitle = file.replace(reWin, "$1");
        var reUnix = /.*\/(.*)/;
        fileTitle = fileTitle.replace(reUnix, "$1");alert(fileTitle);
        //$(this).next().next('span.ui-filename').html(fileTitle);
        $('span.ui-filename').html(file);
    });*/    
    
});

// --- Images
var image_list={
	ajaxloadingmsg: '<div style="background:url(/.s/img/ma/m/i3.gif) no-repeat center bottom; height:50px;" ></div>',
	defaultbuttonsfade:0.3, // fade degree for disabled nav buttons (0=completely transparent, 1=completely opaque)
	configholder: {},

	getCSSValue:function(val){ //Returns either 0 (if val contains 'auto') or val as an integer
		return (val=="auto")? 0 : parseInt(val)
	},

	getoffset:function(what, offsettype){
		return (what.offsetParent)? what[offsettype]+this.getoffset(what.offsetParent, offsettype) : what[offsettype]
	},

	fadebuttons:function(config, currentpanel){
		config.$leftnavbutton.fadeTo('fast', currentpanel==0? this.defaultbuttonsfade : 1)
		config.$rightnavbutton.fadeTo('fast', currentpanel==config.lastvisiblepanel? this.defaultbuttonsfade : 1)
	},

	addnavbuttons:function(config, currentpanel){
		$('#image-lnav').remove();
		$('#image-rnav').remove();
		config.$leftnavbutton=$('<img id="image-lnav" src="'+config.defaultbuttons.leftnav[0]+'">').css({zIndex:1, position:'absolute', left:/* config.offsets.left+ */config.defaultbuttons.leftnav[1]+'px', top:/* config.offsets.top+ */config.defaultbuttons.leftnav[2]+'px', cursor:'hand', cursor:'pointer'}).appendTo('#image-list-cont')
		config.$rightnavbutton=$('<img id="image-rnav" src="'+config.defaultbuttons.rightnav[0]+'">').css({zIndex:1, position:'absolute', right:/* left:config.offsets.left+config.$gallery.get(0).offsetWidth+ */config.defaultbuttons.rightnav[1]+'px', top:/* config.offsets.top+ */config.defaultbuttons.rightnav[2]+'px', cursor:'hand', cursor:'pointer'}).appendTo('#image-list-cont')
		config.$leftnavbutton.bind('click', function(){ //assign nav button event handlers
			image_list.stepBy(config.galleryid, -config.defaultbuttons.moveby)
		})
		config.$rightnavbutton.bind('click', function(){ //assign nav button event handlers
			image_list.stepBy(config.galleryid, config.defaultbuttons.moveby)
		})
		if (config.panelbehavior.wraparound==false){ //if carousel viewer should stop at first or last panel (instead of wrap back or forth)
			this.fadebuttons(config, currentpanel)
		}
		return config.$leftnavbutton.add(config.$rightnavbutton)
	},

	alignpanels:function(config){
		var paneloffset=0
		config.paneloffsets=[paneloffset] //array to store upper left offset of each panel (1st element=0)
		config.panelwidths=[] //array to store widths of each panel
		config.$panels.each(function(index){ //loop through panels
			var $currentpanel=$(this)
			$currentpanel.css({float: 'none', position: 'absolute', left: paneloffset+'px'}) //position panel
			$currentpanel.bind('click', function(e){return config.onpanelclick(e.target)}) //bind onpanelclick() to onclick event
			paneloffset+=image_list.getCSSValue($currentpanel.css('marginRight')) + parseInt($currentpanel.get(0).offsetWidth || $currentpanel.css('width')) //calculate next panel offset
			config.paneloffsets.push(paneloffset) //remember this offset
			config.panelwidths.push(paneloffset-config.paneloffsets[config.paneloffsets.length-2]) //remember panel width
		})
		config.paneloffsets.pop() //delete last offset (redundant)
		var addpanelwidths=0
		var lastpanelindex=config.$panels.length-1
		config.lastvisiblepanel=lastpanelindex
		for (var i=config.$panels.length-1; i>=0; i--){
			addpanelwidths+=(i==lastpanelindex? config.panelwidths[lastpanelindex] : config.paneloffsets[i+1]-config.paneloffsets[i])
			if (config.gallerywidth>addpanelwidths){
				config.lastvisiblepanel=i //calculate index of panel that when in 1st position reveals the very last panel all at once based on gallery width
			}
		}
        //alert(paneloffset+' - '+config.currentpanel);
		config.$belt.css({width: paneloffset+'px'}) //Set Belt DIV to total panels' widths
		config.currentpanel=(typeof config.currentpanel=="number" && config.currentpanel<config.$panels.length)? config.currentpanel : 0
		if (config.currentpanel!=0){
			var endpoint=config.paneloffsets[config.currentpanel]+(config.currentpanel==0? 0 : config.beltoffset)
			config.$belt.css({left: -endpoint+'px'})
		}
		if (config.defaultbuttons.enable==true){ //if enable default back/forth nav buttons
			var $navbuttons=this.addnavbuttons(config, config.currentpanel)
			$(window).bind("load resize", function(){ //refresh position of nav buttons when page loads/resizes, in case offsets weren't available document.oncontentload <div class="belt" id="iu-belt">
				config.offsets={left:image_list.getoffset(config.$gallery.get(0), "offsetLeft"), top:image_list.getoffset(config.$gallery.get(0), "offsetTop")}
				config.$leftnavbutton.css({left:/* config.offsets.left+ */config.defaultbuttons.leftnav[1]+'px', top:/* config.offsets.top+ */config.defaultbuttons.leftnav[2]+'px'})
				config.$rightnavbutton.css({right:/* left:config.offsets.left+config.$gallery.get(0).offsetWidth+ */config.defaultbuttons.rightnav[1]+'px', top:/* config.offsets.top+ */config.defaultbuttons.rightnav[2]+'px'})
			})
		}

		this.statusreport(config.galleryid)
		config.oninit()
		config.onslideaction(this)
	},

	stepTo:function(galleryid, pindex){ /*User entered pindex starts at 1 for intuitiveness. Internally pindex still starts at 0 */
		var config=image_list.configholder[galleryid]
		if (typeof config=="undefined"){
			alert("There's an error with your set up of Carousel Viewer \""+galleryid+ "\"!")
			return
		}
		var pindex=Math.min(pindex-1, config.paneloffsets.length-1)
		var endpoint=config.paneloffsets[pindex]+(pindex==0? 0 : config.beltoffset)
		if (config.panelbehavior.wraparound==false && config.defaultbuttons.enable==true){ //if carousel viewer should stop at first or last panel (instead of wrap back or forth)
			this.fadebuttons(config, pindex)
		}
		config.$belt.animate({left: -endpoint+'px'}, config.panelbehavior.speed, function(){config.onslideaction(this)})
		config.currentpanel=pindex
		this.statusreport(galleryid)
	},

	stepBy:function(galleryid, steps){ //isauto if defined indicates stepBy() is being called automatically
		var config=image_list.configholder[galleryid]
		if (typeof config=="undefined"){
			alert("There's an error with your set up of Carousel Viewer \""+galleryid+ "\"!")
			return
		}
		//alert(config.currentpanel);
		var direction=(steps>0)? 'forward' : 'back' //If "steps" is negative, that means backwards
		var pindex=config.currentpanel+steps //index of panel to stop at
		if (config.panelbehavior.wraparound==false){ //if carousel viewer should stop at first or last panel (instead of wrap back or forth)
			pindex=(direction=="back" && pindex<=0)? 0 : (direction=="forward")? Math.min(pindex, config.lastvisiblepanel) : pindex
			if (config.defaultbuttons.enable==true){ //if default nav buttons are enabled, fade them in and out depending on if at start or end of carousel
				image_list.fadebuttons(config, pindex)
			}
		}
		else{ //else, for normal stepBy behavior
			if (pindex>config.lastvisiblepanel && direction=="forward"){
				//if destination pindex is greater than last visible panel, yet we're currently not at the end of the carousel yet
				pindex=(config.currentpanel<config.lastvisiblepanel)? config.lastvisiblepanel : 0
			}
			else if (pindex<0 && direction=="back"){
				//if destination pindex is less than 0, yet we're currently not at the beginning of the carousel yet
				pindex=(config.currentpanel>0)? 0 : config.lastvisiblepanel /*wrap around left*/
			}
		}
		var endpoint=config.paneloffsets[pindex]+(pindex==0? 0 : config.beltoffset) //left distance for Belt DIV to travel to
		if (pindex==0 && direction=='forward' || config.currentpanel==0 && direction=='back' && config.panelbehavior.wraparound==true){ //decide whether to apply "push pull" effect
			config.$belt.animate({left: -config.paneloffsets[config.currentpanel]-(direction=='forward'? 100 : -30)+'px'}, 'normal', function(){
				config.$belt.animate({left: -endpoint+'px'}, config.panelbehavior.speed, function(){config.onslideaction(this)})
			})
		}
		else
			config.$belt.animate({left: -endpoint+'px'}, config.panelbehavior.speed, function(){config.onslideaction(this)})
		config.currentpanel=pindex
		this.statusreport(galleryid)
	},

	statusreport:function(galleryid){
		var config=image_list.configholder[galleryid]
		var startpoint=config.currentpanel //index of first visible panel
		var visiblewidth=0
		for (var endpoint=startpoint; endpoint<config.paneloffsets.length; endpoint++){ //index (endpoint) of last visible panel
			visiblewidth+=config.panelwidths[endpoint]
			if (visiblewidth>config.gallerywidth){
				break
			}
		}
		startpoint+=1 //format startpoint for user friendiness
		endpoint=(endpoint+1==startpoint)? startpoint : endpoint //If only one image visible on the screen and partially hidden, set endpoint to startpoint
		var valuearray=[startpoint, endpoint, config.panelwidths.length]
		for (var i=0; i<config.statusvars.length; i++){
			window[config.statusvars[i]]=valuearray[i] //Define variable (with user specified name) and set to one of the status values
			config.$statusobjs[i].text(valuearray[i]+" ") //Populate element on page with ID="user specified name" with one of the status values
		}
	},

	setup:function(config){
		//Disable Step Gallery scrollbars ASAP dynamically (enabled for sake of users with JS disabled)
		document.write('<style type="text/css">\n#'+config.galleryid+'{overflow: hidden;}\n</style>')
		jQuery(document).ready(function($){
			config.$gallery=$('#'+config.galleryid)
			config.gallerywidth=config.$gallery.width()
			config.offsets={left:image_list.getoffset(config.$gallery.get(0), "offsetLeft"), top:image_list.getoffset(config.$gallery.get(0), "offsetTop")}
			config.$belt=config.$gallery.find('.'+config.beltclass) //Find Belt DIV that contains all the panels
			config.$panels=config.$gallery.find('.'+config.panelclass) //Find Panel DIVs that each contain a slide
			config.panelbehavior.wraparound=config.panelbehavior.wraparound //if auto step enabled, set "wraparound" to true
			config.onpanelclick=(typeof config.onpanelclick=="undefined")? function(target){} : config.onpanelclick //attach custom "onpanelclick" event handler
			config.onslideaction=(typeof config.onslide=="undefined")? function(){} : function(beltobj){$(beltobj).stop(); config.onslide()} //attach custom "onslide" event handler
			config.oninit=(typeof config.oninit=="undefined")? function(){} : config.oninit //attach custom "oninit" event handler
			config.beltoffset=image_list.getCSSValue(config.$belt.css('marginLeft')) //Find length of Belt DIV's left margin
			config.statusvars=config.statusvars || []  //get variable names that will hold "start", "end", and "total" slides info
			config.$statusobjs=[$('#'+config.statusvars[0]), $('#'+config.statusvars[1]), $('#'+config.statusvars[2])]
			config.currentpanel=0
			image_list.configholder[config.galleryid]=config //store config parameter as a variable
			image_list.alignpanels(config) //align panels and initialize gallery
		}) //end document.ready
		jQuery(window).bind('unload', function(){ //clean up
			jQuery.each(config, function(ai, oi){
				oi=null
			})
			config=null
		})
	}
}