$(function(){
	var conf = {
		className : "btn",
		roImgKey : "_on"
	};
	$('.'+conf.className).each(function(){
		this.originalSrc = this.src;
		this.rolloverSrc = this.originalSrc.replace(/(\.gif|\.jpg|\.png)/, conf.roImgKey+"$1");
		preloadImage(this.rolloverSrc);
	}).hover(function(){
		this.src = this.rolloverSrc;
	}, function(){
		this.src = this.originalSrc;
	});
	if(document.URL == /\/company\//){
		$('img.company').src = $('.company').rolloverSrc;
		$('img.company').unbind('hover');
	}else{
		$('img.top').src = $('img.top').rolloverSrc;
		$('img.top').unbind('hover');
	}
		$('img.top').src = this.rolloverSrc;
		$('img.btn').unbind('hover');
});
preloadedImages = [];
function preloadImage(url){
	var p = preloadedImages;
	var l = p.length;
	p[l] = new Image();
	p[l].src = url;
}