jQuery.noConflict()

var stepcarousel={
ajaxloadingmsg: '<div style="margin:30px;">LOADING CONTENT...</div>',
defaultbuttonsfade: 0.4,
configholder: {},

getCSSValue:function(val){
return (val=="auto")? 0 : parseInt(val)
},

getremotepanels:function($, config){
config.$belt.html(this.ajaxloadingmsg)
$.ajax({
url: config.contenttype[1],
async: true,
error:function(ajaxrequest){
config.$belt.html('Error fetching content.<br />Server Response: '+ajaxrequest.responseText)
},
success:function(content){
config.$belt.html(content)
config.$panels=config.$gallery.find('.'+config.panelclass)
stepcarousel.alignpanels($, config)
}
})
},

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

getCookie:function(Name){ 
var re=new RegExp(Name+"=[^;]+", "i");
if (document.cookie.match(re))
return document.cookie.match(re)[0].split("=")[1]
return null
},

setCookie:function(name, value){
document.cookie = name+"="+value
},

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

},

addnavbuttons:function($, config, currentpanel){
config.$leftnavbutton=$('<img src="'+config.defaultbuttons.leftnav[0]+'">').css({zIndex:50, position:'absolute', left:config.offsets.left+config.defaultbuttons.leftnav[1]+'px', top:config.offsets.top+config.defaultbuttons.leftnav[2]+'px', cursor:'hand', cursor:'pointer'}).attr({title:'Back'}).appendTo('body')
config.$rightnavbutton=$('<img src="'+config.defaultbuttons.rightnav[0]+'">').css({zIndex:50, position:'absolute', left:config.offsets.left+config.$gallery.get(0).offsetWidth+config.defaultbuttons.rightnav[1]+'px', top:config.offsets.top+config.defaultbuttons.rightnav[2]+'px', cursor:'hand', cursor:'pointer'}).attr({title:'Forward'}).appendTo('body')
config.$leftnavbutton.bind('click', function(){
stepcarousel.stepBy(config.galleryid, -config.defaultbuttons.moveby)
})
config.$rightnavbutton.bind('click', function(){
stepcarousel.stepBy(config.galleryid, config.defaultbuttons.moveby)
})
if (config.panelbehavior.wraparound==false){
this.fadebuttons(config, currentpanel)
}
return config.$leftnavbutton.add(config.$rightnavbutton)
},

alignpanels:function($, config){
var paneloffset=0
config.paneloffsets=[paneloffset]
config.panelwidths=[]
config.$panels.each(function(index){
var $currentpanel=$(this)
$currentpanel.css({float: 'none', position: 'absolute', left: paneloffset+'px'})
$currentpanel.bind('click', function(e){return config.onpanelclick(e.target)})
paneloffset+=stepcarousel.getCSSValue($currentpanel.css('marginRight')) + parseInt($currentpanel.get(0).offsetWidth || $currentpanel.css('width'))
config.paneloffsets.push(paneloffset)
config.panelwidths.push(paneloffset-config.paneloffsets[config.paneloffsets.length-2])
})
config.paneloffsets.pop()
var addpanelwidths=0
var lastpanelindex=config.$panels.length-1
config.lastvisiblepanel=lastpanelindex
for (var i=config.$panels.length-1; i>=0; i--){
addpanelwidths+=(i==lastpanelindex? config.panelwidths[lastpanelindex] : config.paneloffsets[i+1]-config.paneloffsets[i])
if (config.gallerywidth>addpanelwidths){
config.lastvisiblepanel=i
}
}
config.$belt.css({width: paneloffset+'px'})
config.currentpanel=(config.panelbehavior.persist)? parseInt(this.getCookie(config.galleryid+"persist")) : 0
config.currentpanel=(typeof config.currentpanel=="number" && config.currentpanel<config.$panels.length)? config.currentpanel : 0
var endpoint=config.paneloffsets[config.currentpanel]+(config.currentpanel==0? 0 : config.beltoffset)
config.$belt.css({left: -endpoint+'px'})
if (config.defaultbuttons.enable==true){
var $navbuttons=this.addnavbuttons($, config, config.currentpanel)
$(window).bind("load resize", function(){
config.offsets={left:stepcarousel.getoffset(config.$gallery.get(0), "offsetLeft"), top:stepcarousel.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.$rightnavbutton.css({left:config.offsets.left+config.$gallery.get(0).offsetWidth+config.defaultbuttons.rightnav[1]+'px', top:config.offsets.top+config.defaultbuttons.rightnav[2]+'px'})
})
}
if (config.autostep && config.autostep.enable){
var $carouselparts=config.$gallery.add(typeof $navbuttons!="undefined"? $navbuttons : null)
$carouselparts.bind('click', function(){
config.autostep.status="stopped"
stepcarousel.stopautostep(config)
})
$carouselparts.hover(function(){
stepcarousel.stopautostep(config)
config.autostep.hoverstate="over"
}, function(){
if (config.steptimer && config.autostep.hoverstate=="over" && config.autostep.status!="stopped"){
config.steptimer=setInterval(function(){stepcarousel.autorotate(config.galleryid)}, config.autostep.pause)
config.autostep.hoverstate="out"
}
})
config.steptimer=setInterval(function(){stepcarousel.autorotate(config.galleryid)}, config.autostep.pause)
}
this.createpaginate($, config)
this.statusreport(config.galleryid)
config.oninit()
config.onslideaction(this)
},

stepTo:function(galleryid, pindex){
var config=stepcarousel.configholder[galleryid]
if (typeof config=="undefined"){
return
}
stepcarousel.stopautostep(config)
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){
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){
var config=stepcarousel.configholder[galleryid]
if (typeof config=="undefined"){
return
}
if (!isauto)
stepcarousel.stopautostep(config)
var direction=(steps>0)? 'forward' : 'back'
var pindex=config.currentpanel+steps
if (config.panelbehavior.wraparound==false){
pindex=(direction=="back" && pindex<=0)? 0 : (direction=="forward")? Math.min(pindex, config.lastvisiblepanel) : pindex
if (config.defaultbuttons.enable==true){
stepcarousel.fadebuttons(config, pindex)
}	
}
else{
if (pindex>config.lastvisiblepanel && direction=="forward"){
pindex=(config.currentpanel<config.lastvisiblepanel)? config.lastvisiblepanel : 0
}
else if (pindex<0 && direction=="back"){
pindex=(config.currentpanel>0)? 0 : config.lastvisiblepanel
}
}
var endpoint=config.paneloffsets[pindex]+(pindex==0? 0 : config.beltoffset)
if (config.panelbehavior.wraparound==true && config.panelbehavior.wrapbehavior=="pushpull" && (pindex==0 && direction=='forward' || config.currentpanel==0 && direction=='back')){
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)
},

autorotate:function(galleryid){
var config=stepcarousel.configholder[galleryid]
this.stepBy(galleryid, config.autostep.moveby, true)
},

stopautostep:function(config){
clearTimeout(config.steptimer)
},

statusreport:function(galleryid){
var config=stepcarousel.configholder[galleryid]
if (config.statusvars.length==3){
var startpoint=config.currentpanel
var visiblewidth=0
for (var endpoint=startpoint; endpoint<config.paneloffsets.length; endpoint++){
visiblewidth+=config.panelwidths[endpoint]
if (visiblewidth>config.gallerywidth){
break
}
}
startpoint+=1
endpoint=(endpoint+1==startpoint)? startpoint : endpoint
var valuearray=[startpoint, endpoint, config.panelwidths.length]
for (var i=0; i<config.statusvars.length; i++){
window[config.statusvars[i]]=valuearray[i]
config.$statusobjs[i].text(valuearray[i]+" ")
}
}
stepcarousel.selectpaginate(jQuery, galleryid)
},

createpaginate:function($, config){
if (config.$paginatediv.length==1){
var $templateimg=config.$paginatediv.find('img["data-over"]:eq(0)')
var controlpoints=[], controlsrc=[], imgarray=[], moveby=$templateimg.attr("data-moveby") || 1
var asize=(moveby==1? 0:1) + Math.floor((config.lastvisiblepanel+1) / moveby)
var imghtml=$('<div>').append($templateimg.clone()).html()
srcs=[$templateimg.attr('src'), $templateimg.attr('data-over'), $templateimg.attr('data-select')]
for (var i=0; i<asize; i++){
var moveto=Math.min(i*moveby, config.lastvisiblepanel)
imgarray.push(imghtml.replace(/>$/, ' data-index="'+i+'" data-moveto="'+moveto+'" title="Move to Panel '+(moveto+1)+'">') +'\n')
controlpoints.push(moveto)
}
var $controls=$('<span></span>').replaceAll($templateimg).append(imgarray.join('')).find('img')
$controls.css({cursor:'pointer'})
config.$paginatediv.bind('click', function(e){
var $target=$(e.target)
if ($target.is('img') && $target.attr('data-over')){
stepcarousel.stepTo(config.galleryid, parseInt($target.attr('data-moveto'))+1)
}
})
config.$paginatediv.bind('mouseover mouseout', function(e){
var $target=$(e.target)
if ($target.is('img') && $target.attr('data-over')){
if (parseInt($target.attr('data-index')) != config.pageinfo.curselected)
$target.attr('src', srcs[(e.type=="mouseover")? 1 : 0])
}
})
config.pageinfo={controlpoints:controlpoints, $controls:$controls,  srcs:srcs, prevselected:null, curselected:null}
}
},


selectpaginate:function($, galleryid){
var config=stepcarousel.configholder[galleryid]
if (config.$paginatediv.length==1){
for (var i=0; i<config.pageinfo.controlpoints.length; i++){
if (config.pageinfo.controlpoints[i] <= config.currentpanel)
config.pageinfo.curselected=i
}
if (typeof config.pageinfo.prevselected!=null)
config.pageinfo.$controls.eq(config.pageinfo.prevselected).attr('src', config.pageinfo.srcs[0])
config.pageinfo.$controls.eq(config.pageinfo.curselected).attr('src', config.pageinfo.srcs[2])
config.pageinfo.prevselected=config.pageinfo.curselected
}
},


loadcontent:function(galleryid, url){
var config=stepcarousel.configholder[galleryid]
config.contenttype=['ajax', url]
stepcarousel.stopautostep(config)
stepcarousel.resetsettings($, config)
stepcarousel.init(jQuery, config)

},

init:function($, config){
config.gallerywidth=config.$gallery.width()
config.offsets={left:stepcarousel.getoffset(config.$gallery.get(0), "offsetLeft"), top:stepcarousel.getoffset(config.$gallery.get(0), "offsetTop")}
config.$belt=config.$gallery.find('.'+config.beltclass)
config.$panels=config.$gallery.find('.'+config.panelclass)
config.panelbehavior.wrapbehavior=config.panelbehavior.wrapbehavior || "pushpull"
config.$paginatediv=$('#'+config.galleryid+'-paginate')
if (config.autostep)
config.autostep.pause+=config.panelbehavior.speed
config.onpanelclick=(typeof config.onpanelclick=="undefined")? function(target){} : config.onpanelclick
config.onslideaction=(typeof config.onslide=="undefined")? function(){} : function(beltobj){$(beltobj).stop(); config.onslide()}
config.oninit=(typeof config.oninit=="undefined")? function(){} : config.oninit
config.beltoffset=stepcarousel.getCSSValue(config.$belt.css('marginLeft'))
config.statusvars=config.statusvars || []
config.$statusobjs=[$('#'+config.statusvars[0]), $('#'+config.statusvars[1]), $('#'+config.statusvars[2])]
config.currentpanel=0
stepcarousel.configholder[config.galleryid]=config
if (config.contenttype[0]=="ajax" && typeof config.contenttype[1]!="undefined")
stepcarousel.getremotepanels($, config)
else
stepcarousel.alignpanels($, config)
},

resetsettings:function($, config){
config.$gallery.unbind()
config.$belt.stop()
config.$panels.remove()
if (config.$leftnavbutton){
config.$leftnavbutton.remove()
config.$rightnavbutton.remove()
}
if (config.$paginatediv.length==1){
config.$paginatediv.unbind()
config.pageinfo.$controls.eq(0).attr('src', config.pageinfo.srcs[0]).removeAttr('data-index').removeAttr('data-moveto').removeAttr('title')
.end().slice(1).remove()
}
if (config.autostep)
config.autostep.status=null
if (config.panelbehavior.persist){
stepcarousel.setCookie(window[config.galleryid+"persist"], 0)
}
},

setup:function(config){
document.write('<style type="text/css">\n#'+config.galleryid+'{overflow: hidden;}\n</style>')
jQuery(document).ready(function($){
config.$gallery=$('#'+config.galleryid)
stepcarousel.init($, config)
})
jQuery(window).bind('unload', function(){
stepcarousel.resetsettings($, config)
if (config.panelbehavior.persist)
stepcarousel.setCookie(config.galleryid+"persist", config.currentpanel)
jQuery.each(config, function(ai, oi){
oi=null
})
config=null
})
}
}
