var cur_tab_id= 1; //by default current tab will be MONDAY
var agenda_zilei_tip = "slideshow"; // "lista"
var agstyle = new Array(
		'<a href="javascript:setAgendaStyle(\'lista\')">Lista</a>',
		'<a href="javascript:setAgendaStyle(\'slideshow\')">Slideshow</a>'
		);
function showTab(tid) {
	clearTimeout(evz_timer);

    //CIPRI: replace TAB's classes according with current selection
    if(cur_tab_id > 0){
        $("#evz_tab_"+cur_tab_id).removeClass('selected blue').addClass('idle_blue');
    }
    else{
        $("#evz_tab_"+cur_tab_id).removeClass('selected');
    }

    if(tid > 0){
        $("#evz_tab_"+tid).removeClass('idle_blue').addClass('selected blue');
    }
    else{
        $("#evz_tab_"+tid).addClass('selected');
    }

    //mark the new cur_tab_id as being the current selected tab
	cur_tab_id = tid;

    //show the corect date value based on TAB selection made (array of values calculated on agenda_zilei.php)
    $('#show_sel_day').html(arr_this_week[cur_tab_id]);

    //setup the params sent into ajax
	var __parameters="oras_francizat_id="+ js_oras_francizat_id +"&agenda_zi=" + tid + "&agenda_tip="+agenda_zilei_tip;
	//update my content
    $.post(_QBOX_WEB_ROOT+'agenda_zilei_ajx.php', __parameters, function(resp_data){
        ajxResponseHandler(resp_data, $("#evz_tab_content"));
    });
}

function setAgendaStyle(stil) {
	clearTimeout(evz_timer);
	var x = $("#agenda_style_td");

	if (stil == "slideshow") {
		x.html(agstyle[0]);
		agenda_zilei_tip = "slideshow";

		var __parameters="oras_francizat_id="+ js_oras_francizat_id +"&agenda_domeniu=" + cur_tab_id + "&agenda_tip="+agenda_zilei_tip;
        $.post(_QBOX_WEB_ROOT+'agenda_zilei_ajx.php', __parameters, function(resp_data){
            ajxResponseHandler(resp_data, $("#evz_tab_content"));
        });

	} else if (stil == "lista") {
		x.html(agstyle[1]);
		agenda_zilei_tip = "lista";

		var __parameters="agenda_domeniu=" + cur_tab_id + "&agenda_tip="+agenda_zilei_tip;
        $.post(_QBOX_WEB_ROOT+'agenda_zilei_ajx.php', __parameters, function(resp_data){
            ajxResponseHandler(resp_data, $("#evz_tab_content"));
        });
	}
}

var ss_cur_div_index = 0;
var evz_timer = 0;
//change the opacity for different browsers
function changeOpac(amount, id) {
	var x = $("#agz_ss_div_"+id);

	var opc = x.css('opacity');
	if (!opc) opc = 1;

	var opacity = opc*100 + amount;
	if (opacity > 100) opacity = 100;
	if (opacity < 1) opacity = 0; //!!!Cipri:  IMPORTANT - pe Chrome nu se ajunge nicioadata la ZERO absolut, si atunci acesta este testul ok, in dauna lui "if(opacity < 0)";

	x.css('opacity',(opacity / 100));
    x.css('MozOpacity',(opacity / 100));
    x.css('KhtmlOpacity',(opacity / 100));
    x.css('filter',"alpha(opacity=" + opacity + ")");

	if (opacity <= 0) {
		// switch the divs
		x.css('display','none');

		ss_cur_div_index++;
        x = $("#agz_ss_div_"+ss_cur_div_index);

		if (x.length <= 0) {
			ss_cur_div_index = 0;
            x = $("#agz_ss_div_"+ss_cur_div_index);
		}

		if (x.length > 0) {
			x.css('opacity',0);//x.style.opacity = 0;
            x.css('MozOpacity',0);
            x.css('KhtmlOpacity',0);
            x.css('filter',"alpha(opacity=0");
            x.css('display','');

			clearTimeout(evz_timer);
			evz_timer = setTimeout("changeOpac(2,"+ss_cur_div_index+")", 50);
			return;
		}
	} else if (opacity == 100) {
		clearTimeout(evz_timer);
		evz_timer = setTimeout("changeOpac(-2," + ss_cur_div_index + ")", 3000);
	} else {
		evz_timer = setTimeout("changeOpac("+amount+","+ss_cur_div_index+")", 10);
	}
}


function ezRedir(dalink) {
	document.location.href = dalink;
}

function evz_switch(dir) {
	tmpi = ss_cur_div_index + parseInt(dir);

	x = $("#agz_ss_div_"+tmpi);
	c = $("#agz_ss_div_"+ss_cur_div_index);
	if (x.length > 0) {
		clearTimeout(evz_timer);
		evz_timer = 0;
		// switch tmpi with ss_cur_div_index

        x.css('opacity',100);
        x.css('MozOpacity',100);
        x.css('KhtmlOpacity',100);
        x.css('filter',"alpha(opacity=100");
        x.css('display','');

        c.css('opacity',0);
        c.css('MozOpacity',0);
        c.css('KhtmlOpacity',0);
        c.css('filter',"alpha(opacity=0");
        c.css('display','none');

		// set new ss_cur_div_index
		ss_cur_div_index = tmpi;
	}
}
function evz_pause() {
	var x = $('#evz_pause_btn');
	var y = $('#evz_play_btn');
	if (evz_timer) {
		clearTimeout(evz_timer);
		evz_timer = 0;

        x.css('display','none');
        y.css('display','');
	} else {
		evz_timer = setTimeout("changeOpac(-2," + ss_cur_div_index + ")", 10);

        x.css('display','');
        y.css('display','none');
	}
}