$(document).ready(init);

function init() {
	$(document).pngFix();
	
	$("#facebook, #twitter, #vimeo, #flickr").hover(function() {
                $(this).attr("src", "./images/icons/"+this.id+"Hover.png");
            }, function() {
                $(this).attr("src", "./images/icons/"+this.id+".png");
            }
        );	
}