var myimages=new Array();
var origSrc = new Array();
function preloadimages(){
	for (i=0;i<preloadimages.arguments.length;i++)
	{
		myimages[i]=new Image()
		myimages[i].src=preloadimages.arguments[i]
	}
}

document.observe('dom:loaded', function () {
	preloadimages('images/menu_top_play.png', 'images/menu_top_crombola.png', 'images/menu_top_prizes.png', 'images/menu_top_info.png', 'images/menu_top_win.png');
	Event.observe('mn_play', 'mouseover', function(){
		$('mn_play').src = myimages[0].src;
	});
	Event.observe('mn_tombola', 'mouseover', function(){
		$('mn_tombola').src = myimages[1].src;
	});
	Event.observe('mn_prizes', 'mouseover', function(){
		$('mn_prizes').src = myimages[2].src;
	});    
    Event.observe('mn_win', 'mouseover', function(){
        $('mn_win').src = myimages[4].src;
    });    
    Event.observe('mn_info', 'mouseover', function(){
        $('mn_info').src = myimages[3].src;
    });    
    
	Event.observe('mn_play', 'mouseout', function(){
		$('mn_play').src = 'images/normal-menu_top_play.png';
	});
	Event.observe('mn_tombola', 'mouseout', function(){
		$('mn_tombola').src = 'images/normal-menu_top_crombola.png';
	});
	Event.observe('mn_prizes', 'mouseout', function(){
		$('mn_prizes').src = 'images/normal-menu_top_prizes.png';
	});	
    Event.observe('mn_win', 'mouseout', function(){
        $('mn_win').src = 'images/normal-menu_top_win.png';
    });        
    Event.observe('mn_info', 'mouseout', function(){
        $('mn_info').src = 'images/normal-menu_top_info.png';
    });        
});