function nextPage() {
		document.getElementById("next").value = true;
		document.searchResultsForm.submit();
	}

	function previousPage() {
		document.getElementById("previous").value = true;
		document.searchResultsForm.submit();
	}

	function getResults(s) {
		document.getElementById("start").value = s;
		document.searchResultsForm.submit();
	}

	function doSubmit() {
		if (document.getElementById("start") != null) {
			document.getElementById("start").value = 0;
		}
		document.searchResultsForm.submit();
	}

	function checkEnter(e) {
		var characterCode;

		if(e && e.which) { 
			e = e;
			characterCode = e.which; 

		} else if(typeof(event) != 'undefined') {
			e = event;
			characterCode = e.keyCode;
		}

		if(characterCode == 13) { 
			if(typeof(e) != 'undefined') {
				e.srcElement.form.submit();
			} else {
				doSubmit();
			}
			return false;

		} else {
			return true;
		}
	}