function webPath() {
	var mypath = "";
	var pathbits = window.location.pathname.split( '/' );
	for ( i = 0; i <= pathbits.length-2; i++ ) {
		if (pathbits[i] != 'cgi-bin') {
			mypath += pathbits[i];
			mypath += "/";
		}
	}
	return mypath;
}

function openHelp() {
	window.open(webPath() + "help.html", "help_window", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=700,height=400")
}
function openTables() {
	window.open(webPath() + "tables.html", "subnet_tables", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=600,height=250")	
}
function helpAllocTypes() {
	window.open(webPath() + "alloctypes.html", "alloc_window", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=750,height=550")
}
function popNotes(page) {
	window.open(page, "IPDB_notes", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=400,height=300");
}
function redoParent() {
	opener.location.reload(true);
}