function openPopup() {
	window.open("", "popup", "left=184, top=100, height=500, width=660, toolbar=no, statusbar=no, menubar=no, scrollbars=yes, resizable=no");
}

function openSitemap() {
	window.open("", "sitemap", "left=138, top=100, height=450, width=748, toolbar=no, statusbar=no, menubar=no, scrollbars=no, resizable=no");
}




		function disableParent(ce) {
			if (currentSub != "" && ce.id != currentSub ) {
				cs = document.getElementById(currentSub).style;
				cs.color = "#7878B4";
				cs.backgroundImage = "none";
			}
			if (currentId != ce.id) {
				cs = document.getElementById(currentId).style;
				cs.backgroundImage = "none";
			}
			if (ce.id == currentId ) {
				cs = document.getElementById(currentId).style;
				cs.color = "#fff";
				cs.backgroundImage = "url(img/b_home_1.gif)";
			}
			
		}
		
		
		function enableCurrent(ce) {
			var thumbs = document.getElementById('navigation');
			cn = thumbs.getElementsByTagName('a');
			for (var i=0; i<cn.length; i++) {
				if (cn[i].id == currentId) {
					var myImg = "url(img/b_home_1.gif)";
					if (currentSub != "") myImg = "url(img/b_blue_2.gif)";
					cn[i].style.backgroundImage = myImg;
					cn[i].style.backgroundColor = "#1d1f62";
					if (currentId != "home") cn[i].style.color = "#fff";
					
				}
				
			} 
				if (currentSub != "" && ce.id != currentSub) {
					cs = document.getElementById(currentSub).style;
					cs.color = "#f00";
					cs.backgroundImage = "url(img/b_vonbergh_neg_1.gif)";
				}
		}