function buscaNoticias(){
document.formNoticias.submit();
}

function getCentros(selected){
	document.busquedaCentros.prov.value = selected;
	document.busquedaCentros.submit();
}

function muestraDoc(url, titulo){
	if(""!=url){
		document.abrirCentros.titulo.value = titulo;
		document.abrirCentros.action =document.abrirCentros.action+url;
		document.abrirCentros.submit();
	}
}
	
	
	
function esCifraoLetra(event) {
	if ((event.keyCode > 47 && event.keyCode < 58 ) 
			|| (event.keyCode > 64 && event.keyCode < 91) 
			|| (event.keyCode > 96 && event.keyCode < 123)
			|| (event.keyCode==44)|| (event.keyCode==46)|| (event.keyCode==64)|| (event.keyCode==95)|| (event.keyCode==127)
			) 
	event.returnValue = event.keyCode;
	else	event.returnValue = false;
}