//Step Carousel Viewer: By Dynamic Drive, at http://www.dynamicdrive.com
var stepcarousel={
ajaxloadingmsg:'<div style="margin: 1em; font-weight: bold"><img src="ajaxloadr.gif" style="vertical-align: middle" /> Fetching Content. Please wait...</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)
},
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 '+config.defaultbuttons.moveby+' panels'}).appendTo('body')
config.$rightnavbutton=$('<img src="'+config.defaultbuttons.rightnav[0]+'">').css({zIndex:50,position:'absolute',left:config.offsets.left+config.$gallery.get(0).offsetWidth+config.defaultbuttons.rightnav[1]+'px',top:config.offsets.top+config.defaultbuttons.rightnav[2]+'px',cursor:'hand',cursor:'pointer'}).attr({title:'Forward '+config.defaultbuttons.moveby+' panels'}).appendTo('body')
config.$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.$rightnavbutton)
},
stopautostep:function(config){
clearTimeout(config.steptimer)
clearTimeout(config.resumeautostep)
},
alignpanels:function($,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.$belt.css({width:paneloffset+'px'})
config.currentpanel=(config.panelbehavior.persist)?parseInt(this.getCookie(window[config.galleryid+"persist"])):0
config.currentpanel=(typeof config.currentpanel=="number"&&config.currentpanel<config.$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){
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(){
stepcarousel.stopautostep(config)
config.autostep.status="stopped"
})
$carouselparts.hover(function(){
stepcarousel.stopautostep(config)
config.autostep.hoverstate="over"
},function(){
if(config.steptimer&&config.autostep.hoverstate=="over"&&config.autostep.status!="stopped"){
config.resumeautostep=setTimeout(function(){
stepcarousel.autorotate(config.galleryid)
config.autostep.hoverstate="out"
},500)
}
})
config.steptimer=setTimeout(function(){stepcarousel.autorotate(config.galleryid)},config.autostep.pause)
}
this.statusreport(config.galleryid)
config.oninit()
config.onslideaction(this)
},
stepTo:function(galleryid,pindex){
var config=stepcarousel.configholder[galleryid]
if(typeof config=="undefined"){
alert("There's an error with your set up of Carousel Viewer \""+galleryid+"\"!")
return
}
stepcarousel.stopautostep(config)
var pindex=Math.min(pindex-1,config.paneloffsets.length-1)
var endpoint=config.paneloffsets[pindex]+(pindex==0?0:config.beltoffset)
if(config.panelbehavior.wraparound==false&&config.defaultbuttons.enable==true){
this.fadebuttons(config,pindex)
}
config.$belt.animate({left:-endpoint+'px'},config.panelbehavior.speed,function(){config.onslideaction(this)})
config.currentpanel=pindex
this.statusreport(galleryid)
},
stepBy:function(galleryid,steps){
var config=stepcarousel.configholder[galleryid]
if(typeof config=="undefined"){
alert("There's an error with your set up of Carousel Viewer \""+galleryid+"\"!")
return
}
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(pindex==0&&direction=='forward'||config.currentpanel==0&&direction=='back'&&config.panelbehavior.wraparound==true){
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.$belt.animate({left:-endpoint+'px'},config.panelbehavior.speed,function(){config.onslideaction(this)})
config.currentpanel=pindex
this.statusreport(galleryid)
},
autorotate:function(galleryid){
var config=stepcarousel.configholder[galleryid]
if(config.$gallery.attr('_ismouseover')!="yes"){
this.stepBy(galleryid,config.autostep.moveby)
}
config.steptimer=setTimeout(function(){stepcarousel.autorotate(galleryid)},config.autostep.pause)
},
statusreport:function(galleryid){
var config=stepcarousel.configholder[galleryid]
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.$statusobjs[i].text(valuearray[i]+" ")
}
},
setup:function(config){
document.write('<style type="text/css">\n#'+config.galleryid+'{overflow: hidden;}\n</style>')
jQuery(document).ready(function($){
config.$gallery=$('#'+config.galleryid)
config.gallerywidth=config.$gallery.width()
config.offsets={left:stepcarousel.getoffset(config.$gallery.get(0),"offsetLeft"),top:stepcarousel.getoffset(config.$gallery.get(0),"offsetTop")}
config.$belt=config.$gallery.find('.'+config.beltclass)
config.$panels=config.$gallery.find('.'+config.panelclass)
config.panelbehavior.wraparound=(config.autostep&&config.autostep.enable)?true:config.panelbehavior.wraparound
config.onpanelclick=(typeof config.onpanelclick=="undefined")?function(target){}:config.onpanelclick
config.onslideaction=(typeof config.onslide=="undefined")?function(){}:function(beltobj){$(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)
})
jQuery(window).bind('unload',function(){
if(config.panelbehavior.persist){
stepcarousel.setCookie(window[config.galleryid+"persist"],config.currentpanel)
}
jQuery.each(config,function(ai,oi){
oi=null
})
config=null
})
}
}