// requires prototype.js
function initArcadeButtons()
{
	var btns = $$('.img_arcade');
	var b;
	for( b=0; b<btns.length; ++b )
	{
		var btn = btns[b];
		if( btn.hasClassName('arrow') )
			continue;
		btn.observe( 'mouseover', function(event)
								  {
								  		var e = event.element(event);
										e.addClassName( 'hover' );
								  }
		);
		btn.observe( 'mouseout', function(event)
								 {
								 		var e = event.element(event);
										e.removeClassName( 'hover' );
								 }
		);
	}
}

var openArcade = function(url) {
	newwindow=window.open(url,'arcade','height=600,width=800,scrollbars=no,resizable=no');
	if (window.focus) {newwindow.focus()}
}

Event.observe(window, 'load', initArcadeButtons );