function getMainWindow() {

	var mainWindow;

	if (window.parent.isRamona) {

		mainWindow = window.open("",'mainTarget');
	}
	else if (window.state) {  //in case we are on the homepage

		mainWindow = window;
	}
	else {

		mainWindow = parent;
	}
	return mainWindow;
}

function loadBrain( thought ) {

	var mainWindow = getMainWindow();
	
	//removed by Ken on 7/26/05 - java no longer lets you send commands between windows.
	//if (mainWindow.state == "Brain") {
	//	thought = unescape(thought);
	//	mainWindow.brain_Plex.document.SiteBrainApplet.externalEvent("activateName", thought );
	//	mainWindow.brain_Plex.document.SiteBrainApplet.externalEvent("launchName", thought );
	//}
	//else {
		mainWindow.location.href = '/brain/frame.html?startThought=' + thought;
		
	//}
	
}

function openRamona() {

	posX = 330;
	posY = 20;

	if (screen) {
		
		posX = screen.availWidth - 310;

	}


	ramonaWindow = window.open("","ramona","directories=no,height=480,width=300,location=no,menuBar=no,personalbar=no,scrollbars=no,toolbar=no,status=no,resizable=yes,startX="+posX+",left="+posX+",startY="+posY+",top="+posY);
	if (!ramonaWindow.isRamona) {
		ramonaWindow.location.href = "/ramona/ramona.html";
	}
	ramonaWindow.focus();
}


function getThoughtName() {
	
	var mainWindow = getMainWindow();
	if ((mainWindow.state == "Article" || mainWindow.state == "Bio" || mainWindow.state == "News") && mainWindow.lastThought) {
		return mainWindow.lastThought;
	}
	else if (mainWindow.state == "Brain") {
		return '';
	}
	else {
		return "Artificial%20Intelligence%20(AI)";
	}
}

function openImage(image, width, height) {

	width += 20;
	height += 25;

	imageWindow = window.open(image, '', "directories=no,height="+height+",width="+width+",location=no,menuBar=no,personalbar=no,scrollbars=no,toolbar=no,status=no,resizable=yes");
	imageWindow.focus();
}