function URLEncode (clearString) {
  var output = '';
  var x = 0;
  clearString = clearString.toString();
  var regex = /(^[a-zA-Z0-9_.]*)/;
  while (x < clearString.length) {
    var match = regex.exec(clearString.substr(x));
    if (match != null && match.length > 1 && match[1] != '') {
    	output += match[1];
      x += match[1].length;
    } else {
      if (clearString[x] == ' ')
        output += '+';
      else {
        var charCode = clearString.charCodeAt(x);
        var hexVal = charCode.toString(16);
        output += '%' + ( hexVal.length < 2 ? '0' : '' ) + hexVal.toUpperCase();
      }
      x++;
    }
  }
  return output;
}

function SiteSearchSubmit(myfield, e)
{
	var keycode;
	if (window.event)
		keycode = window.event.keyCode;
	else if (e)
		keycode = e.which;
	else
		return true;
	if (keycode == 13)
	{
		if (myfield.id == "q")
		{
		    SearchSite();
		}
		else if (myfield.id == "articles-q")
		{
		    SearchArticles();
		}
		else if (myfield.id == "faqs-q")
		{
		    SearchFAQs();
		}
		return false;
	}
	else
		return true;
}

function SearchSite(){
    document.location.href = 'http://' + window.location.hostname + '/en/search-results.aspx?cx=003349770745872249173%3Abimfe_hxxe8&cof=FORID%3A11&sitesearch=www.advil.ca%2Fen%2F&hl=en&q=' + URLEncode(document.getElementById('q').value);
}

function SearchArticles(){
    document.location.href = 'http://' + window.location.hostname + '/en/articles/search-results.aspx?cx=003349770745872249173%3Abimfe_hxxe8&cof=FORID%3A11&sitesearch=www.advil.ca%2Fen%2F&hl=en&q=' + URLEncode(document.getElementById('articles-q').value);
}

function SearchFAQs(){
    document.location.href = 'http://' + window.location.hostname + '/en/faqs/search-results.aspx?cx=003349770745872249173%3Abimfe_hxxe8&cof=FORID%3A11&sitesearch=www.advil.ca%2Fen%2F&hl=en&q=' + URLEncode(document.getElementById('faqs-q').value);
}