$(document).ready(function(){

	// Preload all rollovers
	$("#nav img").each(function(){
		// Set the original src
		rollsrc = $(this).attr("src");
		rollON = rollsrc.replace(/.gif$/ig,"_on.gif");
		$("<img>").attr("src", rollON);
	});
	// Navigation rollovers
	$("#nav a").mouseover(function(){
		imgsrc = $(this).children("img").attr("src");
		matches = imgsrc.match(/_on/);
		// don't do the rollover if state is already ON
		if (!matches) {
		imgsrcON = imgsrc.replace(/.gif$/ig,"_on.gif"); // strip off extension
		$(this).children("img").attr("src", imgsrcON);
		}
		
	});
	$("#nav a").mouseout(function(){
		$(this).children("img").attr("src", imgsrc);
	});
	
	$("dt").click(function(e){
		var current = $(this).siblings(".active").removeClass("active");
		var rel = current.attr("rel");
		$(this).siblings("dd[rel=" + rel + "]").hide("blind", { direction: "vertical" }, 500);
		$(this).addClass("active");
		var rel = $(this).attr("rel");
		$(this).siblings("dd[rel=" + rel + "]").show("blind", { direction: "vertical" }, 500);
	});
	
});