var comarcaEvents = function () {
	var id_com = document.getElementById("id_comarca");
	if (id_com != null) {
		id_com.onchange = changeComarca;
	}
}

var changeComarca = function () {
	var form = document.getElementById("fFiltro");
	form.submit();
}

var sortEvents = function () {
	var headers = Array();
	// busca las cabeceras de las columnas
	var header = document.getElementById("tablehead");
	var ths = header.getElementsByTagName("TH");
	for (var i=0; i<ths.length; i++) {
		if (ths[i].id != 'cobertura') {
			ths[i].style.cursor = 'pointer';
			ths[i].title = "Click per ordenar per \""+ths[i].firstChild.data+"\"";
			ths[i].onclick = function () {
				var form = document.getElementById("fFiltro");
				// direccio
				if (form.sort.value == this.id) {
					if (form.dir.value == "ASC") {
						form.dir.value = "DESC";
					} else {
						form.dir.value = "ASC";
					}
				} else {
					form.dir.value = "ASC";
				}
				form.sort.value = this.id;
				form.submit();	
			}
		}
	}
}