
//Specify affected tags. Add or remove from list:
var tgs = new Array( 'div','li','ul','p','normal','a','span');

//Specify spectrum of different font sizes:
var szs = new Array('small','medium','large');
var startSz =0;

function ts( trgt,inc ) {
if (!document.getElementById) return
var d = document,cEl = null,sz = startSz,i,j,cTags;

sz += inc;
if ( sz < 0 ) sz = 0;
if ( sz > 6 ) sz = 6;
startSz = sz;

if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

cEl.style.fontSize = szs[ sz ];

for ( i = 0 ; i < tgs.length ; i++ ) {
cTags = cEl.getElementsByTagName( tgs[ i ] );
for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
}
}



(function($) {

$.fn.easySlider = function(options){

// default configuration properties
var defaults = {			
prevId: 		'prevBtn',
prevText: 		'',
nextId: 		'nextBtn',	
nextText: 		'',
controlsShow:	false,
controlsBefore:	'',
controlsAfter:	'',	
controlsFade:	false,
firstId: 		'firstBtn',
firstText: 		'First',
firstShow:		false,
lastId: 		'lastBtn',	
lastText: 		'Last',
lastShow:		false,				
vertical:		false,
speed: 			800,
auto:			false,
pause:			5000,
continuous:		true
}; 

var options = $.extend(defaults, options);  

this.each(function() {  
var obj = $(this); 				
var s = $("li", obj).length;
var w = $("li", obj).width(); 
var h = $("li", obj).height(); 
obj.width(w); 
obj.height(h); 
obj.css("overflow","hidden");
var ts = s-1;
var t = 0;
$("ul", obj).css('width',s*w);			
if(!options.vertical) $("li", obj).css('float','left');

if(options.controlsShow){
var html = options.controlsBefore;
if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>';
html += options.controlsAfter;						
$(obj).after(html);										
};

$("a","#"+options.nextId).click(function(){		
animate("next",true);
});
$("a","#"+options.prevId).click(function(){		
animate("prev",true);				
});	
$("a","#"+options.firstId).click(function(){		
animate("first",true);
});				
$("a","#"+options.lastId).click(function(){		
animate("last",true);				
});		

function animate(dir,clicked){
var ot = t;				
switch(dir){
case "next":
t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;						
break; 
case "prev":
t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
break; 
case "first":
t = 0;
break; 
case "last":
t = ts;
break; 
default:
break; 
};	

var diff = Math.abs(ot-t);
var speed = diff*options.speed;						
if(!options.vertical) {
p = (t*w*-1);
$("ul",obj).animate(
{ marginLeft: p }, 
speed
);				
} else {
p = (t*h*-1);
$("ul",obj).animate(
{ marginTop: p }, 
speed
);					
};

if(!options.continuous && options.controlsFade){					
if(t==ts){
$("a","#"+options.nextId).hide();
$("a","#"+options.lastId).hide();
} else {
$("a","#"+options.nextId).show();
$("a","#"+options.lastId).show();					
};
if(t==0){
$("a","#"+options.prevId).hide();
$("a","#"+options.firstId).hide();
} else {
$("a","#"+options.prevId).show();
$("a","#"+options.firstId).show();
};					
};				

if(clicked) clearTimeout(timeout);
if(options.auto && dir=="next" && !clicked){;
timeout = setTimeout(function(){
animate("next",false);
},diff*options.speed+options.pause);
};

};
// init
var timeout;
if(options.auto){;
timeout = setTimeout(function(){
animate("next",false);
},options.pause);
};		

if(!options.continuous && options.controlsFade){					
$("a","#"+options.prevId).hide();
$("a","#"+options.firstId).hide();				
};				

});

};

})(jQuery);



var dropdowncontent={
disableanchorlink: true, //when user clicks on anchor link, should link itself be disabled (always true if "revealbehavior" above set to "click")
hidedivmouseout: [true, 100], //Set hiding behavior within Drop Down DIV itself: [hide_div_onmouseover?, miliseconds_before_hiding]
ajaxloadingmsg: "Loading content. Please wait...", //HTML to show while ajax page is being feched, if applicable
ajaxbustcache: true, //Bust cache when fetching Ajax pages?

getposOffset:function(what, offsettype){
return (what.offsetParent)? what[offsettype]+this.getposOffset(what.offsetParent, offsettype) : what[offsettype]
},

isContained:function(m, e){
var e=window.event || e
var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
if (c==m)
return true
else
return false
},

show:function(anchorobj, subobj, e){
if (!this.isContained(anchorobj, e) || (e && e.type=="click")){
var e=window.event || e
if (e.type=="click" && subobj.style.visibility=="visible"){
subobj.style.visibility="hidden"
return
}
var horizontaloffset=(subobj.dropposition[0]=="left")? -(subobj.offsetWidth-anchorobj.offsetWidth) : 0 //calculate user added horizontal offset
var verticaloffset=(subobj.dropposition[1]=="top")? -subobj.offsetHeight : anchorobj.offsetHeight //calculate user added vertical offset
subobj.style.left=this.getposOffset(anchorobj, "offsetLeft") + horizontaloffset + "px"
subobj.style.top=this.getposOffset(anchorobj, "offsetTop")+verticaloffset+"px"
subobj.style.clip=(subobj.dropposition[1]=="top")? "rect(auto auto auto 0)" : "rect(0 auto 0 0)" //hide drop down box initially via clipping
subobj.style.visibility="visible"
subobj.startTime=new Date().getTime()
subobj.contentheight=parseInt(subobj.offsetHeight)
if (typeof window["hidetimer_"+subobj.id]!="undefined") //clear timer that hides drop down box?
clearTimeout(window["hidetimer_"+subobj.id])
this.slideengine(subobj, (subobj.dropposition[1]=="top")? "up" : "down")
}
},

curveincrement:function(percent){
return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
},

slideengine:function(obj, direction){
var elapsed=new Date().getTime()-obj.startTime //get time animation has run
if (elapsed<obj.glidetime){ //if time run is less than specified length
var distancepercent=(direction=="down")? this.curveincrement(elapsed/obj.glidetime) : 1-this.curveincrement(elapsed/obj.glidetime)
var currentclip=(distancepercent*obj.contentheight)+"px"
obj.style.clip=(direction=="down")? "rect(0 auto "+currentclip+" 0)" : "rect("+currentclip+" auto auto 0)"
window["glidetimer_"+obj.id]=setTimeout(function(){dropdowncontent.slideengine(obj, direction)}, 10)
}
else{ //if animation finished
obj.style.clip="rect(0 auto auto 0)"
}
},

hide:function(activeobj, subobj, e){
if (!dropdowncontent.isContained(activeobj, e)){
window["hidetimer_"+subobj.id]=setTimeout(function(){
subobj.style.visibility="hidden"
subobj.style.left=subobj.style.top=0
clearTimeout(window["glidetimer_"+subobj.id])
}, dropdowncontent.hidedivmouseout[1])
}
},

hidediv:function(subobjid){
document.getElementById(subobjid).style.visibility="hidden"
},

ajaxconnect:function(pageurl, divId){
var page_request = false
var bustcacheparameter=""
if (window.XMLHttpRequest) // if Mozilla, IE7, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE6 or below
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
document.getElementById(divId).innerHTML=this.ajaxloadingmsg //Display "fetching page message"
page_request.onreadystatechange=function(){dropdowncontent.loadpage(page_request, divId)}
if (this.ajaxbustcache) //if bust caching of external page
bustcacheparameter=(pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', pageurl+bustcacheparameter, true)
page_request.send(null)
},

loadpage:function(page_request, divId){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
document.getElementById(divId).innerHTML=page_request.responseText
}
},

init:function(anchorid, pos, glidetime, revealbehavior){
var anchorobj=document.getElementById(anchorid)
var subobj=document.getElementById(anchorobj.getAttribute("rel"))
var subobjsource=anchorobj.getAttribute("rev")
if (subobjsource!=null && subobjsource!="")
this.ajaxconnect(subobjsource, anchorobj.getAttribute("rel"))
subobj.dropposition=pos.split("-")
subobj.glidetime=glidetime || 1000
subobj.style.left=subobj.style.top=0
if (typeof revealbehavior=="undefined" || revealbehavior=="mouseover"){
anchorobj.onmouseover=function(e){dropdowncontent.show(this, subobj, e)}
anchorobj.onmouseout=function(e){dropdowncontent.hide(subobj, subobj, e)}
if (this.disableanchorlink) anchorobj.onclick=function(){return false}
}
else
anchorobj.onclick=function(e){dropdowncontent.show(this, subobj, e); return false}
if (this.hidedivmouseout[0]==true) //hide drop down DIV when mouse rolls out of it?
subobj.onmouseout=function(e){dropdowncontent.hide(this, subobj, e)}
}
}

