function show_thesaurus() {
	document.getElementById('thesaurus').style.display = 'block';
	document.getElementById('nonthesaurus').style.display = 'none';
	document.getElementById('con').checked = true;
	document.getElementById('con1').checked = false;
}
function hide_thesaurus() {
	document.getElementById('thesaurus').style.display = 'none';
	document.getElementById('nonthesaurus').style.display = 'block';
	document.getElementById('con1').checked = true;
	document.getElementById('con').checked = false;
}

function show_div(div_id) {
	document.getElementById(div_id).style.display = 'block';
}

function hide_div(div_id) {
	document.getElementById(div_id).style.display = 'none';
}

function toggle_div(div_id, image_id) {
	if (document.getElementById(div_id).style.display == 'none') {
		document.getElementById(div_id).style.display = 'block';
		document.getElementById(image_id).src = './images/top.jpg';
	}
	else {
		document.getElementById(div_id).style.display = 'none'
		document.getElementById(image_id).src = './images/side.jpg';
	}
}

function begknown() {
	document.getElementById('begknown').style.background = 'silver';
	document.getElementById('begunknown').style.background = 'white';
	document.getElementById('beginning').checked = true;
	document.getElementById('beginning1').checked = false;
	if (document.getElementById('endyear').value == 'YYYY' && document.getElementById('begyear').value == 'YYYY')
		endknown();
}

function begunknown() {
	document.getElementById('begknown').style.background = 'white';
	document.getElementById('begunknown').style.background = 'silver';
	document.getElementById('beginning').checked = false;
	document.getElementById('beginning1').checked = true;
	if (document.getElementById('endyear').value == 'YYYY' && document.getElementById('begyear').value == 'YYYY')
		endunknown();
}

function endknown() {
	document.getElementById('endknown').style.background = 'silver';
	document.getElementById('endunknown').style.background = 'white';
	document.getElementById('ending1').checked = false;
	document.getElementById('ending').checked = true;
}

function endunknown() {
	document.getElementById('endknown').style.background = 'white';
	document.getElementById('endunknown').style.background = 'silver';
	document.getElementById('ending').checked = false;
	document.getElementById('ending1').checked = true;
}

function select_box(box_id) {
	document.getElementById(box_id).checked = true;
}

function open_win(url) {
	window.open(url, "info", "address=1,scrollbars=1,width=750,height=600");
}

function show_prog() {
	if(document.getElementById("ds_file").value != "")
		document.getElementById("progress").style.visibility = "visible";
	document.upForm.submit();
}

var x, y;
document.onmousemove = get_mouse;

function show_info(info) {
	if (!info) return;
	if (info == "") return;
	if (x == "0px" && y == "0px") return;
	var infoDiv = document.getElementById("infodiv");
	infoDiv.innerHTML = "<span class='smtext'>" + info + "</span>";
	infoDiv.style.left = x + "px";
	infoDiv.style.top = y + "px";
	infoDiv.style.visibility = "visible";	
}

function hide_info() {
	var infoDiv = document.getElementById("infodiv");
	infoDiv.style.visibility = "hidden";
}

function get_mouse(e) {
	if (!e) e = window.event;
	if (e) { 
		if (e.pageX || e.pageY) {
			x = e.pageX;
			y = e.pageY;
		}
	
		else if (e.clientX || e.clientY) {
			x = e.clientX;
			y = e.clientY;
		}  
	}
}

function up_div(me) {
	document.getElementById(me).style.background="#339933";
}

function up_out(me) {
	document.getElementById(me).style.background="#333399";
}

function check_other() {
	var me = document.getElementById("other");
	if (me.checked == true) document.getElementById("society").checked = true;
	else document.getElementById("society").checked = false;	
}