var last;
last = "";

function show(menu) {

	var doThis;
	doThis=document.getElementById(menu);

	var doThisActive;
	doThisActive=document.getElementById("top"+menu);

	if (doThis.style.display == 'none') {
		doThis.style.display='';
		doThisActive.className='collapsetopactive';
	}
	else {
		doThis.style.display='none';
		doThisActive.className='collapsetop';
	}
	
	if (last != "" && menu != last) {
		 doLast=document.getElementById(last);
		 doLastUnactive=document.getElementById("top"+last);
		
		if (doLast.style.display == '') {
			doLast.style.display='none';
			doLastUnactive.className='collapsetop';
		}
}	
	last = menu;
	window.location.hash = '#' + menu + 'anker';
}