var menu=function(){
	var t=15,z=50,s=6,a;
	function dd(n){this.n=n; this.h=[]; this.c=[]}
	dd.prototype.init=function(p,c){
		a=c; var w=document.getElementById(p), s=w.getElementsByTagName('ul'), l=s.length, i=0;
		for(i;i<l;i++){
			var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i];
			h.onmouseover=new Function(this.n+'.st('+i+',true)')
			h.onmouseout=new Function(this.n+'.st('+i+')');
		}
	}
	dd.prototype.st=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t); c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0}
			if(c.mh==c.offsetHeight){c.style.overflow='visible'}
			else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)}
		}else{p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)}
	}
	function sl(c,f){
		var h=c.offsetHeight;
		if((h<=0&&f!=1)||(h>=c.mh&&f==1)){
			if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'}
			clearInterval(c.t); return
		}
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
		c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
		c.style.height=h+(d*f)+'px'
	}
	return{dd:dd}
}();

function fieldblur (x) {
	if (x.value == "") {
		x.className = "input-text";
	}
}
function fieldfocus (x) {
	x.className = "input-text focused";
}

var speed = 20; // The lower the value the faster it goes
var zi = 1;
var t_array = Array('a', 'b');
var t_bool = 0;

function id (i) {
	return document.getElementById(i);
}
function setOpacity(targ, value) {
	document.getElementById(targ).style.opacity = value/10;
	document.getElementById(targ).style.filter = 'alpha(opacity=' + value*10 + ')';
}
function tt () {
	return t_bool == 0 ? 1 : 0;
}
function fade (stage) {
	if (stage == '' || stage == undefined) {
		// Stage 1: Fade out old
		setOpacity("a1"+t_array[t_bool], 0);
		setOpacity("a2"+t_array[t_bool], 0);
		//setOpacity("a3"+t_array[t_bool], 0);
		fade("zindex");
	} else if (stage == "zindex") {
		// Stage 2: Change z-index
		document.getElementById("a1"+t_array[t_bool]).style.zIndex = zi;
		document.getElementById("a2"+t_array[t_bool]).style.zIndex = zi;
		//document.getElementById("a3"+t_array[t_bool]).style.zIndex = zi;
		document.getElementById("a3link").style.zIndex = eval(zi+1);
		fade("clean");
	} else if (stage == "clean") {
		// Stage 3: Reset attributes
		for (var i=0;i<11;i++) {
			setTimeout('setOpacity("a1'+t_array[t_bool]+'", '+i+')',speed*i);
			setTimeout('setOpacity("a2'+t_array[t_bool]+'", '+i+')',speed*i);
			//setTimeout('setOpacity("a3'+t_array[t_bool]+'", '+i+')',50*i);
		}
	}
}
function swap_img (id) {
	t_bool = zi%2 != 1 ? 0 : 1;
	document.getElementById("a1"+t_array[t_bool]).className = id;
	document.getElementById("a2"+t_array[t_bool]).className = id;
	//document.getElementById("a3"+t_array[t_bool]).className = id;
	document.getElementById("a3link").href = page[id][1];
	document.getElementById("a3link").innerHTML = page[id][0];
	zi++;
	fade();
}