function toggleFilter(filterLayer, filterUrl) {
	if (document.getElementById) {
		// Modern
		var style2 = document.getElementById(filterLayer).style;

		style2.display = style2.display ? "" : "block";
		document.getElementById(filterLayer).innerHTML = "<center><iframe src='" + filterUrl
		    + "' style='width:750px;height:160px;' frameborder=0 scrolling=no></iframe></center>";
	}
	else if (document.all) {
		// Old IE
		var style2 = document.all[filterLayer].style;
		style2.display = style2.display ? "" : "block";
	}
	else if (document.layers) {
		// NN4
		var style2 = document.layers[filterLayer].style;
		style2.display = style2.display ? "" : "block";
	}
}

/* lang choose */
$(document).ready(function() {
	$('#langchoosebox').hover(
		function() { $('#langlist').css('display', 'block'); },
		function() { $('#langlist').css('display', 'none'); });
});

/* search */
function clearInputValue(inputId, defaultText) {
	var obj = document.getElementById(inputId);

	if (obj.value == defaultText) {
		var color1 = obj.style.color;
		obj.style.color = '#000';

		if (color1 != obj.style.color) {
			obj.value = "";
			obj.style.color = '#000';
		}
	}
}

function setDefaultIfEmpty(inputId, defaultText) {
	var obj = document.getElementById(inputId);

	if (obj.value == "") {
		obj.value = defaultText;
		obj.style.color = '#999';
	}
}

function setDefault(inputId, defaultText) {
	var obj = document.getElementById(inputId);

	obj.value = defaultText;
	obj.style.color = '#999';
}

function submitQuery(inputID, defaultText) {
	var obj = document.getElementById(inputID);

	if (obj.value == defaultText) {
		var color1 = obj.style.color;
		obj.style.color = '#000';

		if (color1 != obj.style.color)
			obj.value = "";
	}
}