var actionAdded ;

function addAction(searchaction) {

	if (document.AdvSearch.search.value == "")
		return ;
	
	if (actionAdded)
		return ;

	document.AdvSearch.search.value+=" "+searchaction+" ";
	document.AdvSearch.search.focus();

	actionAdded = true ;
}

function searchModified() {
	// clear action added flag
	actionAdded = false ;
}

function doWordSearch(searchtype) {

	if (document.AdvSearch.search.value == "")
	{
		alert("No search term entered") ;
		return ;
	}

	document.AdvSearch.wordsearch.value = searchtype;
	document.AdvSearch.action = "";
	document.AdvSearch.submit() ;
}

function addWord(elm) {
	var word = elm.options[elm.selectedIndex].value ;

	if (document.AdvSearch.search.value == "")
		document.AdvSearch.search.value=word+" ";
	else
		document.AdvSearch.search.value+=" "+word+" ";

	actionAdded = false ;
}

function resetSearch()
{
	document.AdvSearch.reset() ;

	actionAdded = false ;
}