// VisitPa main javaScript file
// Ripple Effects Technology - 2003

if(document.images) {
res_nav_cat = new Image();
res_nav_cat.src = "images/res_nav_cat.gif";
res_nav_cat_o = new Image();
res_nav_cat_o.src = "images/res_nav_cat_o.gif";
res_nav_member = new Image();
res_nav_member.src = "images/res_nav_member.gif";
res_nav_member_o = new Image();
res_nav_member_o.src = "images/res_nav_member_o.gif";
res_nav_news = new Image();
res_nav_news.src = "images/res_nav_news.gif";
res_nav_news_o = new Image();
res_nav_news_o.src = "images/res_nav_news_o.gif";
res_nav_book = new Image();
res_nav_book.src = "images/res_nav_book.gif";
res_nav_book_o = new Image();
res_nav_book_o.src = "images/res_nav_book_o.gif";
res_nav_faq = new Image();
res_nav_faq.src = "images/res_nav_faq.gif";
res_nav_faq_o = new Image();
res_nav_faq_o.src = "images/res_nav_faq_o.gif";

nav_about = new Image()
nav_about.src = "images/nav_about.gif"
nav_about_o = new Image()
nav_about_o.src = "images/nav_about_o.gif"
nav_research = new Image()
nav_research.src = "images/nav_research.gif"
nav_research_o = new Image()
nav_research_o.src = "images/nav_research_o.gif"
nav_calendar = new Image()
nav_calendar.src = "images/nav_calendar.gif"
nav_calendar_o = new Image()
nav_calendar_o.src = "images/nav_calendar_o.gif"
nav_education = new Image()
nav_education.src = "images/nav_education.gif"
nav_education_o = new Image()
nav_education_o.src = "images/nav_education_o.gif"
nav_exhibits = new Image()
nav_exhibits.src = "images/nav_exhibits.gif"
nav_exhibits_o = new Image()
nav_exhibits_o.src = "images/nav_exhibits_o.gif"
nav_publications = new Image()
nav_publications.src = "images/nav_publications.gif"
nav_publications_o = new Image()
nav_publications_o.src = "images/nav_publications_o.gif"

lv_cat_nav1 = new Image()
lv_cat_nav1.src = "images/lv_cat_nav1.gif"
lv_cat_nav1_o = new Image()
lv_cat_nav1_o.src = "images/lv_cat_nav1_o.gif"
lv_cat_nav2 = new Image()
lv_cat_nav2.src = "images/lv_cat_nav2.gif"
lv_cat_nav2_o = new Image()
lv_cat_nav2_o.src = "images/lv_cat_nav2_o.gif"
lv_cat_nav3 = new Image()
lv_cat_nav3.src = "images/lv_cat_nav3.gif"
lv_cat_nav3_o = new Image()
lv_cat_nav3_o.src = "images/lv_cat_nav3_o.gif"
lv_cat_nav4 = new Image()
lv_cat_nav4.src = "images/lv_cat_nav4.gif"
lv_cat_nav4_o = new Image()
lv_cat_nav4_o.src = "images/lv_cat_nav4_o.gif"
lv_cat_nav5 = new Image()
lv_cat_nav5.src = "images/lv_cat_nav5.gif"
lv_cat_nav5_o = new Image()
lv_cat_nav5_o.src = "images/lv_cat_nav5_o.gif"

}

// rollover function
function RollOver(img1,ref1) {
	if (document.images) {
		document.images[img1].src = eval(ref1 + ".src")
	}
	}

// window openers
 function popQTVR(url) {
		window.open(url,"movie","width=338,height=457,top=40,left=40,scrollbars=no,resizable=no")
					}

function popMap(url) {
		window.open(url,"map","width=500,height=426,top=40,left=40,scrollbars=no,resizable=no")
					}



function closeMe()  {
window.self.close()
}

function hide_collapse(parent_elemt){

	var item = document.getElementById(parent_elemt);
	if (item.style.display == 'none'){
		item.style.display = 'block';
	}else{
		item.style.display = 'none';
	}
}

function expand_it(){

	var lists = document.getElementsByTagName('UL');
	for (var i = 0; i < lists.length; i++) {
		if (lists[i].style.display == 'none'){
			lists[i].style.display = 'block';
		}
	}

}
function collapse_it(){

	var lists = document.getElementsByTagName('UL');
	for (var i = 0; i < lists.length; i++) {
		if (lists[i].style.display == 'block'){
			lists[i].style.display = 'none';
		}
	}

}