function checkEnter(e, input){
	var characterCode;

	if(e && e.which) {
		e = e;
		characterCode = e.which;
	}
	else {
		e = event
		characterCode = e.keyCode //character code is contained in IE's keyCode property
	}

	if(characterCode == 13){
		window.location.href = '/awisto/search.aspx?Key=' + input.value + (input.value.indexOf(' ') > 0 ? '' : '*');
		return false;
	}
	else{ return true; }
}