function clearSearchBox(myElement)
{
	if ( bClearSearchBox ){
		if ( myElement.value == "enter keyword" ) {
			myElement.value = "";
		}
		bClearSearchBox = false;
	}
}

function validateSearchBox(myElement)
{
	//var myElement = document.searchbox.textfield
	if ( myElement.value == "enter keyword" || myElement.value == "" ) {
		//myElement.value = "";
		window.alert("Please enter details of what you want to search for in the keywords field");
		myElement.focus();
	} else {
		document.searchbox.submit();
	}
}

function page(iJumpBy)
{
	var myForm = document.filtersearch
	myForm.page.value = parseInt(myForm.page.value) + parseInt(iJumpBy);
	myForm.submit();
}

function submitSearchResultsFilter()
{
	document.filtersearch.page.value = 1;
	document.filtersearch.submit();
}

function submitSearchResultsFilter()
{
	document.filtersearch.page.value = 1;
	document.filtersearch.submit();
}

function selectSearchFilterDropdown(){
	var theForm = document.filtersearch;
	var drop = theForm.sitefilter;
	for (var i = 0; i < drop.length; i++) {
		if ( drop.options[i].value == theForm.selectedfilter.value ){
			drop.selectedIndex = i;
		}
	}
}

function refineSearch(page)
{
	document.filtersearch.action = page;
	document.filtersearch.submit();
}

function submitSearch(page)
{
	document.searchbox.action = page;
	validateSearchBox(document.searchbox.textfield);
}

function submitSearchByKey(event)
{
	if( event.which == 14 || event.which == 10 )
	{
		submitSearch("search_results.asp");
	}
}

function submitAdvancedSearchByKey(event)
{
	if( event.which == 14 || event.which == 10 )
	{
		advancedSearch("advanced_search.asp");
	}
}

function submitAdvancedSearch(myForm)
{
	if ( myForm.alltext.value == "" && myForm.ortext.value == "" && myForm.exacttext.value == "" ) {
		if ( myForm.nottext.value == "" ) {
			window.alert("Please enter details of what you want to search for in at least one of the fields");
		} else {
			window.alert("Please enter something in a field other than the NOT field");
		}
	} else {
		myForm.submit();
	}
}

function advancedSearch(page)
{
	document.searchbox.action = page;
	if ( document.searchbox.textfield.value=="enter keyword" ) document.searchbox.textfield.value=""; 
	document.searchbox.submit();
}

function showMeta()
{
	var myForm = document.filtersearch
	myForm.displaymeta.value = "true";
	myForm.submit();
}