function addEvent(obj, evType, fn) { 
	if (obj.addEventListener) { 
		obj.addEventListener(evType, fn, false); 
		return true; 
	} else if (obj.attachEvent) { 
		var r = obj.attachEvent("on"+evType, fn); 
		return r; 
	} else { 
		return false; 
	} 
}

function preloadBuffer() {
	preloadImages('/layoutwork/style/images/button-hover.gif',
			'/layoutwork/style/images/arcnav-first-hover.gif',
			'/layoutwork/style/images/arcnav-back-hover.gif',
			'/layoutwork/style/images/arcnav-next-hover.gif',
			'/layoutwork/style/images/arcnav-last-hover.gif',
			'/layoutwork/style/images/arcnav-go-hover.gif');
}

function preloadImages() {
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

addEvent(window, 'load', preloadBuffer);