var highlighted_ip = 0;
var chart;
var graphDim;
var graphXY;
var markers = {};


function highlight (ip) {
	$(ip+":row").className = "highlighted";
	highlighted_ip = ip;
}
function unhighlight (ip) {
	$(ip+":row").className = "";
	highlighted_ip = 0;
	if (ip == selected_ip) {
		select(ip);
	}
}

function clear_rows (row_data) {
	update_rows(row_data);
}
function remove_ip (ip) {
	document.f.ips.value += ",-"+ip;
}
function next_ips () {
	document.f.ips.value = "+"+document.f.ips.value;
	document.f.submit();
}
function prev_ips () {
	document.f.ips.value = document.f.ips.value.substring(1,999);
	document.f.submit();
}


/* overall graph */
var selected_type = 0;
function clear_overall_rows() {
	update_rows(overall_default_chart_data);
}