function RPnavHover(id) {
var e = document.getElementById('RPnav_' + id);
if(e) { e.className = 'RPnavitem_over'; };
}

function RPnavOut(id) {
var e = document.getElementById('RPnav_' + id);
if(e) { e.className = 'RPnavitem'; };
}

function RPnavClick(id) {
	var loc = '';
	switch(id) {
	case 'km':
		loc='/km.htm';
		break;
	case 'games':
		loc='/games.htm';
		break;
	case 'ia':
		loc='/infoarch.htm';
		break;
	case 'bus':
		loc='/strategy.htm';
		break;
	case 'about':
		loc='/about.htm';
		break;
	}		
	//alert('Send me to ' + loc);
	document.location.href=loc;
}

function RPbuildnavitem(id,title,current) {
var currentid =current;
var i = currentid.indexOf(",");
if (i > 0 && i < currentid.length) 
	{ currentid = currentid.substring(0,i);}
	
if (currentid == id) 
	{
		document.write('<td class=RPnavitemcurrent id=RPnav_' + id); 
		if (currentid != current) 
			{ document.write(' onclick="javascript:RPnavClick(\'' + id + '\');"'); }
		document.write('>' + title + '</td>\n');
	}
	else 
	{
		document.write('<td class=RPnavitem id=RPnav_' + id +
			' onclick="javascript:RPnavClick(\'' + id + '\');"' +
			' onmouseover="javascript:RPnavHover(\'' + id + '\');"' +
			' onmouseout="javascript:RPnavOut(\'' + id + '\');"' +
			' >' + title + '</td>\n');
	}
}

function RPbuildnavmenu(id) {
	document.write('<table class=RPnavbar><tr><td class=RPnavtitle>Subjects</td>\n');
	RPbuildnavitem('games','Games',id);
	RPbuildnavitem('km','Knowledge',id);
	RPbuildnavitem('ia','Architecture',id);
	RPbuildnavitem('bus','Strategy',id);
	document.write('<td class=RPnavspace>&nbsp;</td>\n');
	RPbuildnavitem('about','About',id);
	document.write('</tr></table>');
}

function RPbanner(id) {
	document.write('<table class=RPbanner>' +
		'<tr><td><a href="/about.htm"><img src="/images/radiopoets.gif" border=0></a></td></tr>\n' +
		'<tr><td>');
	RPbuildnavmenu(id);
	document.write('</td></tr><tr><td class=RPnavspace>&nbsp;</td></tr></table>\n');
}

function RPStartPage(id) {
	var filename;
	switch(id) {
		case 'games':
		case 'ia':
		case 'bus':
		case 'about':
		case 'km':
			filename = id + 'logo.jpg';
			break;
		default:
			filename = 'ialogo.jpg';
			break;
	}
	document.write('<table class=RPmain><tr>' +
		'<td><img class=RPpagedecoration src="/images/' + filename + '" width=164 height=328></td>' +
		'<td class=RPbody>');
}

function RPStartWidePage(id) {
	document.write('<table class=RPmain><tr>' +
		'<td>');
}

function RPEndPage(id) {
	document.write('</td></tr></table>');
	}