function selecting(tour) {
		switch (tour) {
		
			case "news":
			
				document.getElementById("popularid").className = 'menu';
				document.getElementById("radiosid").className = 'menu';
				document.getElementById("centernews").style.display='';
				document.getElementById("centerpopular").style.display='none';
				document.getElementById("centerradios").style.display='none';
 
			break;
			
			case "popular":
				
				document.getElementById("newsid").className = 'menu';
				document.getElementById("radiosid").className = 'menu';
				document.getElementById("centernews").style.display='none';
				document.getElementById("centerpopular").style.display='';
				document.getElementById("centerradios").style.display='none';
 
			break;
			
			case "radios":
				
				document.getElementById("newsid").className = 'menu';
				document.getElementById("popularid").className = 'menu';
				document.getElementById("centernews").style.display='none';
				document.getElementById("centerpopular").style.display='none';
				document.getElementById("centerradios").style.display='';
 
			break;
 
		}
		
	}
	
	
function celar(thisfield, defaulttext) {
if (thisfield.value == defaulttext) {
thisfield.value = "";
}
}
function add(thisfield, defaulttext) {
if (thisfield.value == "") {
thisfield.value = defaulttext;
}
}