function parseQueryFromUrl () {
	var queryParamName = "q";
	var search = window.location.search.substr(1);
	var parts = search.split('&');
	for (var i = 0; i < parts.length; i++) {
		var keyvaluepair = parts[i].split('=');
		if (decodeURIComponent(keyvaluepair[0]) == queryParamName) {
			return decodeURIComponent(keyvaluepair[1].replace(/\+/g, ' '));
		}
	}
	return '';
}