$(document).ready(function() {

	// make dropdown work in ie browsers
	$("#mainnav > li").mouseover(function(){
		$(this).find("ul").css("left", "0");
	});
	$("#mainnav > li").mouseleave(function(){
		$(this).find("ul").css("left", "-9999px");
	});
	
	// highlight main menu items
	$("#mainnav > li:not(.active)").mouseenter(function(){
		var elem = $(this).find("a > img");
		var imgSrc = elem.attr("src");
		var pos = imgSrc.lastIndexOf("_");
		var wordFirst = imgSrc.substring(0, pos);
		var wordLast = imgSrc.substring(pos + 1);
		if (wordLast == "high.gif") {
				elem.attr("src", wordFirst + "_" + "low.gif");			}
		else {
			elem.attr("src", wordFirst + "_" + "high.gif");
		}
	}).mouseleave(function(){
		var elem = $(this).find("a > img");
		var imgSrc = elem.attr("src");
		var pos = imgSrc.lastIndexOf("_");
		var wordFirst = imgSrc.substring(0, pos);
		var wordLast = imgSrc.substring(pos + 1);
		if (wordLast == "high.gif") {
				elem.attr("src", wordFirst + "_" + "low.gif");			}
		else {
			elem.attr("src", wordFirst + "_" + "high.gif");
		}
	});
	
	// search box
	var search_string_neutral = $("#search_string").val();
	$("#search_string").focus(function(){
		if ($(this).val() == search_string_neutral) {
			$(this).val("");
			$(this).css("color", "#867B70");
		}
	});
	$("#search_string").blur(function(){
		if ($(this).val() == "") {
			$(this).val(search_string_neutral);
			$(this).css("color", "#b9b4b1");
		}
	});
	
	// light box
	$('a.lightbox').lightBox({
		imageLoading: '/img/lightbox/lightbox-ico-loading.gif',
		imageBtnClose: '/img/lightbox/lightbox-btn-close.gif',
		imageBtnPrev: '/img/lightbox/lightbox-btn-prev.gif',
		imageBtnNext: '/img/lightbox/lightbox-btn-next.gif',
		imageBlank: '/img/lightbox/lightbox-blank.gif'
	});
	
});