var j$ = jQuery.noConflict();

j$(document).ready(function(){
	// set rollover.
	j$('img[@class=over]').hover(
		function(){
			this.src = this.src.replace(/^(.+)(\.[a-z]+)$/, '$1_over$2');
		},
		function(){
			this.src = this.src.replace(/^(.+)_over(\.[a-z]+)$/, '$1$2');
		})
		.each(function(){
			this.preloaded = new Image;
			this.preloaded.src = this.src.replace(/^(.+)(\.[a-z]+)$/, '$1_over$2');
		}
	);
});