jQuery.fn.floatBar=function(settings){
settings=jQuery.extend({
min:240,
className:'float',
offset:0},settings);
return this.each(function(){
var el=$(this);
$(window).scroll(function(){
if(!jQuery.support.hrefNormalized)return false;
if($(window).scrollTop()>=settings.min){
el.addClass(settings.className);}else{
el.removeClass(settings.className);}});});};