// JavaScript Document
// ================================================================
//                   ------ dock menu -------
// script by Gerard Ferrandez - Ge-1-doot - February 2006
// http://www.dhteumeuleu.com
// ================================================================


var dock = function (dock, sMin, sMax) {
	/* ---- private vars ---- */
	var xm = xmb = ov = 0;
	var M = true;
	var icons = document.getElementById(dock).getElementsByTagName('img');
	var N = icons.length;
	var s = sMin;
	var ovk = 0;
	var addEvent = function (o, e, f) {
		if (window.addEventListener) o.addEventListener(e, f, false);
		else if (window.attachEvent) r = o.attachEvent('on' + e, f);
	}
	var pxLeft = function(o) {
		for(var x=-document.documentElement.scrollLeft; o != null; o = o.offsetParent) x+=o.offsetLeft;
		return x;
	}
	for(var i=0;i<N;i++) {
		var o = icons[i];
		o.style.width = sMin+"px";
		o.style.height = sMin+"px";
		o.className = "dockicon";
	}
	var run = function() {
		for(var i=0;i<N;i++) {
			var o = icons[i];
			var W = parseInt(o.style.width);
			if(ov && ov.className=="dockicon") {
				if(ov!=ovk){
					ovk=ov;
					document.getElementById("legend").innerHTML = ov.lang;
				}
				if(M) W = Math.max((s*Math.cos(((pxLeft(o)+W/2)-xm)/sMax)),sMin);
				s = Math.min(sMax,s+.5);
			} else {
				s = Math.max(s-.5,sMin);
				W = Math.max(W-N,sMin);
			}
			o.style.width = W+"px";
			o.style.height = W+"px";
		}
		if(s >= sMax) M = false;
	}
	addEvent(document, 'mousemove', function (e) {
		if(window.event) e=window.event;
		xm = (e.x || e.clientX);
		if(xm!=xmb){
			M = true;
			xmb = xm;
		}
		ov = (e.target)?e.target:((e.srcElement)?e.srcElement:null);
	});
	setInterval(run, 16);
};