/* Copyright (c) 2008 Kean Loong Tan http://www.gimiti.com/kltan
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * jFlow
 * Version: 1.2 (July 7, 2008)
 * Requires: jQuery 1.2+
 */
 
(function($) {

$.fn.jFlow = function(options) {
var opts = $.extend({}, $.fn.jFlow.defaults, options);
var randNum = Math.floor(Math.random()*11);
var jFC = opts.controller;
var jFS =  opts.slideWrapper;
var jSel = opts.selectedWrapper;


var cur = 0;
var timer;
var maxi = $(jFC).length;

var slide = function (dur, i) {
$(opts.slides).children().css({
overflow:"hidden"
});
$(opts.slides + " iframe").hide().addClass("temp_hide");
$(opts.slides).animate({
marginLeft: "-" + (i * $(opts.slides).find(":first-child").width() + "px")
},
opts.duration*(dur),
opts.easing,
function(){
$(opts.slides).children().css({
overflow:"hidden"
});
$(".temp_hide").show();
}
);

}
$(this).find(jFC).each(function(i){
$(this).click(function(){
dotimer();
if ($(opts.slides).is(":not(:animated)")) {
$(jFC).removeClass(jSel);
$(this).addClass(jSel);
var dur = Math.abs(cur-i);
slide(dur,i);
cur = i;
}
});
});

$(opts.slides).before('<div id="'+jFS.substring(1, jFS.length)+'"></div>').appendTo(jFS);

$(opts.slides).find("div").each(function(){
$(this).before('<div class="jFlowSlideContainer"></div>').appendTo($(this).prev());
});


$(jFC).eq(cur).addClass(jSel);

var resize = function (x){
$(jFS).css({
position:"relative",
width: opts.width,
height: opts.height,
overflow: "hidden"
});

$(opts.slides).css({
position:"relative",
width: $(jFS).width()*$(jFC).length+"px",
height: $(jFS).height()+"px",
overflow: "hidden"
});
$(opts.slides).children().css({
position:"relative",
width: $(jFS).width()+"px",
height: $(jFS).height()+"px",
"float":"left",
overflow:"hidden"
});

$(opts.slides).css({
marginLeft: "-" + (cur * $(opts.slides).find(":eq(0)").width() + "px")
});
}


resize();

$(window).resize(function(){
resize();  
});

$(opts.prev).click(function(){
dotimer();
doprev();

});

$(opts.next).click(function(){
dotimer();
donext();

});

var doprev = function (x){
if ($(opts.slides).is(":not(:animated)")) {
var dur = 1;
if (cur > 0)
cur--;
else {
cur = maxi -1;
dur = cur;
}
$(jFC).removeClass(jSel);
slide(dur,cur);
$(jFC).eq(cur).addClass(jSel);
}
}

var donext = function (x){
if ($(opts.slides).is(":not(:animated)")) {
var dur = 1;
if (cur < maxi - 1)
cur++;
else {
cur = 0;
dur = maxi -1;
}
$(jFC).removeClass(jSel);

slide(dur, cur);

$(jFC).eq(cur).addClass(jSel);
}
}

dotimer = function (x){
if((opts.auto) == true) {
if(timer != null) 
clearInterval(timer);
    
        timer = setInterval(function() {
                $(opts.next).click();
}, 6000);

}
}
dotimer();
$(opts.slides).find("a").each(function(){
  $(this).hover(function() {clearInterval(timer);}, function() {dotimer();});
});
};

$.fn.jFlow.defaults = {
controller: ".jFlowControl",
slideWrapper : "#jFlowSlide",
selectedWrapper: "jFlowSelected",
auto: false,
easing: "swing",
duration: 400,
width: "100%",
prev: ".jFlowPrev",
next: ".jFlowNext" 
};

})(jQuery);