function switchLang(lang , act){
	var act = $.trim(act.replace('//','/'));
	act = act.substr ( ((act.substr(0,1) === '/' ) ? 1 : 0 ) ,( (act.substr(act.length-1,1) == '/' ) ?  act.length-1 : act.length)-1).split ('/');
	var req = '/' ; var step  =1 ; var langadded = false ;
	for (var i = 0 ; i<act.length  ; i+=step) { 
		if (step == 1 ) {
			req += act[i] + '/' ;
			if (act[i] == 'content') {
				step=2;
				i--;
			}
		}else{
			if (act[i] == 'lang') {
				req += act[i] + '/' + lang  + '/';
				langadded = true ;
			}else{
				if (act[i+1]){
					req += act[i] + '/' + act[i+1] + '/';
				}else{
					req += act[i] + '/' ;
				}
			}
		}
	}
	
	if (!langadded) {
		// add lang right after /content/
		req = req.replace ('/content/' , '/content/lang/' + lang + '/')
	}
	window.location = req ;
}



function showHideStaff (){
	var d = document.getElementById ('dept')
	var s = document.getElementById ('staff')
	if (d.selectedIndex == d.options.length - 1 ) { // last one
		s.style.visibility = 'visible' ; 
	}else{
		s.style.visibility = 'hidden' ; 
		s.options[0].selected = true ;
	}
}