window.addEvent('domready', function (e) {
	
	$$("img.partner-image-switch").addEvent('mouseover', function (e) {
		var	source	=	this.src;
		
		source		=	source.replace(/_bw_1/, "");
		this.src	=	source;
	});
	
	$$("img.partner-image-switch").addEvent('mouseout', function (e) {
		var	source	=	this.src;
		
		source		=	source.replace(/.jpg/, "_bw_1.jpg");
		this.src	=	source;
	});
});