function sendForm(mform, strURL) {

	mform.method="post";
	mform.action=strURL;
	mform.submit();

}

function isEmpty(field) {

	if (field.value.length==0){
		return true;
	}
	else return false;

}

function areEquals(passField, passField2) {

	if (passField.value==passField2.value){
		return true;
	}
	else return false;

}

function isEmail(emailField) {

	if (emailField.value.indexOf("@") == -1){
		return false;
	}
	else return true;

}

function isNumber(field) {

	if (isNaN(field.value)){
		return false;
	}
	else return true;
}

function isChecked(field) {

	var result = false;
	for (i=0;i<field.length;i++) {
		if (field[i].checked){
			return true;
		}
	}
	return result;

}

function isInRage(val, iniValue, lastValue) {

	if ((val>=iniValue) && (val<=lastValue)){
		return true;
	}
	else return false;

}

function execOnKeyPressed(oEvent, strFunction, keyPressed){
     var iAscii;

     if (oEvent.keyCode)
         iAscii = oEvent.keyCode;
     else if (oEvent.which)
         iAscii = oEvent.which;
     else
         return false;

     if (iAscii == keyPressed) eval(strFunction);

     return true;
}

function initForm(field)
{
	eval(field+'.focus()');
}

function initKeys(event, funcion)
{
	execOnKeyPressed(event, funcion, '13');
}

function disableAnchor(obj, disable){
  if(disable){
    var href = obj.getAttribute("href");
    if(href && href != "" && href != null){
       obj.setAttribute('href_bak', href);
    }
    obj.removeAttribute('href');
    obj.style.color="gray";
  }
  else{
    obj.setAttribute('href', obj.attributes['href_bak'].nodeValue);
    obj.style.color="blue";
  }
}