function toggleSearch(searchType) {
	try {
		if (searchType == "keyword") {
			showThis("keywordSearch");
			hideThis("dateSearch");
			hideThis("advancedSearch");
			document.getElementById("keyword").className = "selected";
			document.getElementById("date").className = "notSelected";
			document.getElementById("advanced").className = "notSelected";
			document.frmSearch.searchType.value = "keyword";
		} else if (searchType == "advanced") {
			showThis("keywordSearch");
			showThis("dateSearch");
			showThis("advancedSearch");
			document.getElementById("advanced").className = "selected";
			document.getElementById("keyword").className = "notSelected";
			document.getElementById("date").className = "notSelected";
			document.frmSearch.searchType.value = "advanced";
		} else {
			showThis("dateSearch");
			hideThis("keywordSearch");
			hideThis("advancedSearch");
			document.getElementById("date").className = "selected";
			document.getElementById("keyword").className = "notSelected";
			document.getElementById("advanced").className = "notSelected";
			document.frmSearch.searchType.value = "date";
		}
	} catch(ex) {
		alert(ex);
	}
}

function toggleCalendar(showThisDiv, hideThisDiv) {
	try {
		showThis(showThisDiv);
		hideThis(hideThisDiv);
		document.getElementById("currCal").value = showThisDiv;
	} catch(ex) {
		alert(ex);
	}
}

function hideThis(hideThisDiv) {
	try {
		document.getElementById(hideThisDiv).style.display = "none"; 
	} catch(ex) {
	
	}
}

function showThis(showThisDiv) {
	try {
		document.getElementById(showThisDiv).style.display = "";
	} catch(ex) {
		alert(ex);
	}
}

var optionsDisplayed = 0;

function toggleOptions() {
	if (optionsDisplayed == 0) {
		showThis('searchOptions');
		optionsDisplayed = 1;
		document.getElementById("contributors").className = "selected";
	} else {
		hideThis('searchOptions');
		document.getElementById("contributors").className = "";
		optionsDisplayed = 0;
	}
}
function selectAllContributorFields() {
	for(var i=0; i < document.frmSearch.contibutors.length; i++) { 
		document.frmSearch.contibutors[i].checked = true;
	}
}