function showtab1() {
		$('#myslidemenu li#NC a') .addClass('stayselected');
	};
	
function hidetab1() {
		$('#myslidemenu li#NC a') .removeClass('stayselected');
	};
	
function showtab2() {
		$('#myslidemenu li#UC a') .addClass('stayselected');
	};
	
function hidetab2() {
		$('#myslidemenu li#UC a') .removeClass('stayselected');
	};
	
function showtab3() {
		$('#myslidemenu li#SE a') .addClass('stayselected');
	};
	
function hidetab3() {
		$('#myslidemenu li#SE a') .removeClass('stayselected');
	};