function buscar(){

	var redirect
	redirect = ''
	if (document.formBuscador.nombre.value != "") {
		redirect += '/nombre/' + changeIt(document.formBuscador.nombre.value);
	}
	if (document.formBuscador.poblacion.value != "") {
		redirect += '/poblacion/' + changeIt(document.formBuscador.poblacion.value);
	}
	if (document.formBuscador.actividad.value != "") {
		redirect += '/actividad/' + changeIt(document.formBuscador.actividad.value);
	}
	if (document.formBuscador.provincia.value != "Provincia") {
		redirect += '/provincia/' + document.formBuscador.provincia.value;
	}
	redirect +='/resultados.asp';
	self.location=redirect;
} 



var hexVals = new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
              "A", "B", "C", "D", "E", "F");
var unsafeString = "\"<>%\\^[]&#!¡?¿Çç`\+\$\,:.";

function isUnsafe(compareChar)
	{
	if (unsafeString.indexOf(compareChar) == -1 && compareChar.charCodeAt(0) > 32
		&& compareChar.charCodeAt(0) < 123)
	   { return false; } 
	else
	   { return true; }
	}

function decToHex(num, radix)
	{
	var hexString = "";
	while (num >= radix)
		  {
		   temp = num % radix;
		   num = Math.floor(num / radix);
		   hexString += hexVals[temp];
		  }
	hexString += hexVals[num];
	return reversal(hexString);
}

function reversal(s) 
	{
	var len = s.length;
	var trans = "";
	for (i=0; i<len; i++)
		{ trans = trans + s.substring(len-i-1, len-i); }
	s = trans;
	return s;
}

function convert(val) 
	{ return  "%" + decToHex(val.charCodeAt(0), 16); }


function changeIt(val){
	var len     = val.length;
	var backlen = len;
	var i       = 0;
	
	var newStr  = "";
	var frag    = "";
	var encval  = "";
	var original = val;
	
	for (i=0;i<len;i++){
		if (val.substring(i,i+1).charCodeAt(0) < 255){
			if (isUnsafe(val.substring(i,i+1)) == false){
				newStr = newStr + val.substring(i,i+1); }
			else{
				newStr = newStr + convert(val.substring(i,i+1)); }
			}
		else {
			alert ("Found a non-ISO-8859-1 character at position: " + (i+1) + ",\nPlease eliminate before continuing.");
			newStr = original; i=len;  
		}
	}
return newStr;
}