function accordion(el) {
    if ($('visible') == el) {
        return;
    }
    if ($('visible')) {
        var eldown = el.parentNode.id+'-body';
        var elup = $('visible').parentNode.id+'-body';
        
		new Effect.BlindUp(elup, { duration: 0.5 }) ;
		new Effect.BlindDown(eldown, { duration: 0.5 }) ; 
	
     	$('visible').id = '';
    }
    el.id = 'visible';
}

// accordion initialization

function init() {
    // hide all elements apart from the one with id visible
    var acc = document.getElementById('accordion');
    if (!acc) return ; 
    var apanels = acc.getElementsByTagName('div');
    for (i = 0; i < apanels.length; i++) {
        if (apanels[i].className == 'panel_body') {
            apanels[i].style.display = 'none';
        }
    }
    var avis = document.getElementById('visible').parentNode.id+'-body';
    document.getElementById(avis).style.display = 'block';
}

// add event, sophisticated imp

function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}

var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();

addEvent(window,'unload',EventCache.flush);


function setup() {
	init() ; 
	var rightcol = document.getElementById('service-right-col') ;
	if (!rightcol) return ; 
    Effect.Appear(rightcol, { duration: 0.5 }) ;
}

addEvent(window, "load", setup) ;