function gebi(id) { return document.getElementById(id); }

function docloc(loc) {
	if (loc == undefined) return;
	document.location = loc;
}

function ifcs(obj,sf) {
	var dv = obj.parentNode.parentNode;
	if (sf == undefined) sf = '';
	dv.className = 'tinp'+sf+' fcs';
}

function iblr(obj,sf) {
	var dv = obj.parentNode.parentNode;
	if (sf == undefined) sf = '';
	dv.className = 'tinp'+sf;
}

function pov(obj,cls) {
	if (obj == undefined) return;
	if (cls == undefined) cls = '';
	obj.className = cls+' over';
}

function pou(obj,cls) {
	if (obj == undefined) return;
	if (cls == undefined) cls = '';
	obj.className = cls;
}

function sub(num,sr) {
	var obj = gebi('sub'+num);
	if (obj == undefined) return;
	obj.className = 'sub open';
	pov(sr);
}

function unsub(num,sr) {
	var obj = gebi('sub'+num);
	if (obj == undefined) return;
	obj.className = 'sub';
	pou(sr);
}