var meenemen = null;

function Meenemen()
{
	this.updateMenuTabs = function()
	{
		if(( Browser.Engine.trident ) && ( Browser.Engine.version <= 4 ))
		{
			// IE6 krijgt geen tabs ivm PNG
			return;
		}
		var items = $$("div.header div.menu a");
		for( var i = 0; i < items.length; i++ )
		{
			var image = "/img/header/menu/tab/" + items[i].innerHTML.trim().toLowerCase().replace(/ /g,"-") + ".png"
			items[i].setStyle("background-image","url('" + image + "')");
		}
	}

	this.updateMenuPosition = function()
	{
		var items = $$("div.site div.header div.menu a");
		if( items.length == 0 )
		{
			return;
		}
		
		var menuWidth = (items.length-1)*3;
		var firstItem = null;
		for( var i = 0; i < items.length; i++ )
		{
			if( firstItem == null )
			{
				firstItem = items[i];
			}
			menuWidth += items[i].getWidth();
		}

		var diff = Math.floor(981-14-menuWidth)/2;
		
		firstItem.setStyle("margin-left",diff);
	
	}

	this.load = function()
	{
		this.updateMenuTabs();
		this.updateMenuPosition();
	}
}

window.addEvent("domready",function(){
	meenemen = new Meenemen();
	meenemen.load();
});