function selRadio(target) {
	document.catalog.stype[target].checked = true;
	setSearchType(target);
	return false;
}

function setSearchType(target) {
	switch (parseInt(target)) {
		case 0:
			document.catalog.searchtype.value = 'X';
			break;
		case 1:
			document.catalog.searchtype.value = 'a';
			break;
		case 2:
			document.catalog.searchtype.value = 't';
			break;
	}
}

function toggleSearch(tab) {
	if (tab == 'keyword') {
		document.catalog.searchtype.value = 'X';
		//document.getElementById('catalogsearchbutton').src = '/images/search_keyword.gif';
		document.getElementById('authortab').className = 'taboff';
		document.getElementById('titletab').className = 'taboff';
		document.getElementById('keywordtab').className = 'tabon';
		
	}
	else if (tab == 'author') {
		document.catalog.searchtype.value = 'a';
		//document.getElementById('catalogsearchbutton').src = '/images/search_author.gif';
		document.getElementById('keywordtab').className = 'taboff';
		document.getElementById('titletab').className = 'taboff';
		document.getElementById('authortab').className = 'tabon';
	}
	else if (tab == 'title') {
		document.catalog.searchtype.value = 't';
		//document.getElementById('catalogsearchbutton').src = '/images/search_title.gif';
		document.getElementById('keywordtab').className = 'taboff';
		document.getElementById('authortab').className = 'taboff';
		document.getElementById('titletab').className = 'tabon';
	}
}