$(function(){
	/*
	-------------------------------- Disable current content's button in Global menu. */
	var $base_img_path = '/images/btn/';
	var $dir = location.pathname.split('/');
	switch($dir[1]){
		case "": case "about": case "business": case "services": case "inquiry": case "sitemap":
			var $p;
			if($dir[1] == ""){
				$p = "home";
			}else{
				$p = $dir[1];
			}
			$("#btn-"+$p+">a").removeAttr("href");
			$("#btn-"+$p+">a").removeClass('btn');
			$("#btn-"+$p+">a>img").attr('src',$base_img_path+$p+"_ov.jpg");
			
			if($dir[1] == "about" ){
				switch($dir[2]){
					case "": case "company": case "history": case "access":
						var q;
						if($dir[2] == ""){
							q = "message";
						}
						else{
							q = $dir[2];
						}
						$("#btn-"+q+">a").removeAttr("href");
						$("#btn-"+q+">a").css("background","transparent url('/images/icon_rarr_ov.jpg') no-repeat left center");
						break;
				}
			}
			break;
	}
	
	/*
	-------------------------------- Attach auto rollover image. */
	var $img_path;
	var $ro_img_path;
	$("a.btn").mouseover(function(){
			$img_path = $("img", $(this)).attr("src");
			$ro_img_path = $img_path.replace(/(\.[a-zA-Z]+)$/,"_ov$1");
			$("img", $(this)).attr("src", $ro_img_path);
	});
	$("a.btn").mouseout(function(){
			$("img", $(this)).attr("src", $img_path);
	});
});