function findPhysician() {
	var queryString = location.search.substring(1);
	var queryArguments = queryString.split('&');
	var physician;

	for (var i = 0; i < queryArguments.length; i++) {
		var stringPosition = queryArguments[i].indexOf('=');
		if (stringPosition != -1) {
			var argumentName = queryArguments[i].substring(0, stringPosition);
			if (argumentName.toLowerCase() == "physician") {
				physician = queryArguments[i].substring(stringPosition + 1);
				break;
			}
		}
	}
	return physician; 
}