function goToURL( url )
    {
        document.location.href = url;
    }

function getRadioButtonSelectedValue(ctrl)
{
    for(i=0;i<ctrl.length;i++)
        if(ctrl[i].checked) return ctrl[i].value;
}

//*********************************************************************************
// Function que valida que un campo contenga un string y no solamente un " "
// Es típico que al validar un string se diga
//    if(campo == "") ? alert(Error)
// Si el campo contiene " " entonces la validacion anterior no funciona
//*********************************************************************************
function vacio(q) {
	for ( i = 0; i < q.length; i++ ) {
		if ( q.charAt(i) != " " ) {
			return true;
		}
	}
	return false;
}

function AmpliarFoto(link,id,width,height)

{

	width2 = width + 40;
	height2 = height + 130;
	
	if (width2 > 800)
	{
		width2 = 800;
	}
	
	if (height2 > 600)
	{
		height2 = 600;
	}
	
	//window.open(link,'imagen_'+id,'top=10,left=10,width='+width2+',height='+height+',scrollbars=yes');
	window.open(link,'imagen_'+id,'top=10,left=10,width='+width2+',height='+height2+',scrollbars=yes');

	return false;

}


function abrir_ventana(url,width,height,scrollbars) {
    var izq = (screen.width - width) / 2;
    var arr = (screen.height - height) / 2;
    return window.open(url,'ven1','toolbar=no,location=no,status=no,menubar=no,scrollbars=' + scrollbars + ',resizable=yes,width=' + width + ',height=' + height + ',left=' + izq + ',top=' + arr + '\'');
}

function check_date(field){
var checkstr = "0123456789";
var DateField = field;
var Datevalue = "";
var DateTemp = "";
var seperator = "/";
var day;
var month;
var year;
var leap = 0;
var err = 0;
var i;
   err = 0;
   DateValue = DateField.value;
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
      if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
         DateTemp = DateTemp + DateValue.substr(i,1);
      }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if (DateValue.length == 6) {
      DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2); }
   if (DateValue.length != 8) {
      err = 19;}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   day = DateValue.substr(0,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   }
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 0; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
   if (err == 0) {
      DateField.value = day + seperator + month + seperator + year;
   }
   /* Error-message if err != 0 */
   else {
      alert("La fecha es incorrecta.!");
      DateField.select();
      DateField.focus();
      return false
   }
}

function gfempty( mixed_var ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Philippe Baumann
    // *     example 1: empty(null);
    // *     returns 1: true
    return ( mixed_var === "" || mixed_var === 0   || mixed_var === "0" || mixed_var === null  || mixed_var === false  ||  ( is_array(mixed_var) && mixed_var.length === 0 ) );
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}

function rtrim(stringToTrim) {
	return stringToTrim.replace(/\s+$/,"");
}

function getUnique(max) {
    var now = new Date();
    return (now.getMilliseconds() * Math.floor(Math.random()*max+1));
}

function isWin() {
    return (navigator.platform.indexOf('Win') != -1);
}

function isVista() {
    return (navigator.userAgent.indexOf("Windows NT 6.0") != -1);
}

function isMac() {
    return (navigator.platform.indexOf('Mac') != -1);
}

function isLinux() {
    return (navigator.platform.indexOf('Linux') != -1);
}