function checkResolution (dimension)

// Determines the horizontal resolution of the display
//
// Arguments:	dimension - "width" for horizontal resolution, "height" for vertical
//
// Returns:	horizontal or vertical display resolution

{
	// for Netscape, results are more accurate with Java, so use it if it's available
	if (navigator.javaEnabled() && navigator.appName == "Netscape"){

		// use Java to determine resolution
		toolkit = Packages.java.awt.Toolkit.getDefaultToolkit();
		if (toolkit != null){
			screenSize = toolkit.getScreenSize();
			if (dimension == "width")
				res = screenSize.width;
			else
				res = screenSize.height;
		}
	}
	else{

		// determine horizontal or vertical resolution
		if (dimension == "width")
			res = window.screen.width;
		else
			res = window.screen.height;
	}

	// return resolution
	return res;
}

function moveLyr(){
	
	mainheight = document.getElementById('main').offsetHeight;
	mainleft = document.getElementById('content-table').offsetLeft;
	maintop = document.getElementById('content-table').offsetTop;
	
	menutop = document.getElementById('bottom-table').offsetTop;
	menuleft = document.getElementById('bottom-table').offsetLeft;

	document.getElementById('rolloffbottom').style.top = menutop+24;
	document.getElementById('rolloffbottom').style.left = menuleft;

	if (BR.brand == "NS") {menutop = menutop + 7;}


	document.getElementById('lomenu0drop').style.top = menutop-96;
	document.getElementById('lomenu0drop').style.left = menuleft+2;
			document.getElementById('lomenu0dropback').style.top = menutop-200;
			document.getElementById('lomenu0dropback').style.left = menuleft-30;

	document.getElementById('lomenu1drop').style.top = menutop-116;
	document.getElementById('lomenu1drop').style.left = menuleft+128;
			document.getElementById('lomenu1dropback').style.top = menutop-200;
			document.getElementById('lomenu1dropback').style.left = menuleft+10;

	document.getElementById('lomenu2drop').style.top = menutop-146;
	document.getElementById('lomenu2drop').style.left = menuleft+235;
			document.getElementById('lomenu2dropback').style.top = menutop-200;
			document.getElementById('lomenu2dropback').style.left = menuleft+80;

		document.getElementById('lomenu3drop').style.top = menutop-221;
		document.getElementById('lomenu3drop').style.left = menuleft+403;
			document.getElementById('lomenu3dropback').style.top = menutop-250;
			document.getElementById('lomenu3dropback').style.left = menuleft+260;

		document.getElementById('lomenu4drop').style.top = menutop-161;
		document.getElementById('lomenu4drop').style.left = menuleft+485;
			document.getElementById('lomenu4dropback').style.top = menutop-200;
			document.getElementById('lomenu4dropback').style.left = menuleft+360;

	document.getElementById('div1').style.top = maintop+263;
	document.getElementById('div1').style.left = mainleft+160;
	//document.getElementById('div1').style.visibility = "visible";

	important_h = document.getElementById('div1').offsetHeight;
	question_h = document.getElementById('question').offsetHeight;

	if (important_h > question_h) document.getElementById('bottomdiv').style.height = important_h;
	else document.getElementById('bottomdiv').style.height = question_h;
	document.getElementById('bottomdiv').style.top = maintop+253;
	document.getElementById('bottomdiv').style.left = mainleft+2;
	//document.getElementById('bottomdiv').style.visibility = "visible";
	
	bottom_h = document.getElementById('bottomdiv').offsetHeight;
	if (checkResolution ("width") < 1000){
	footer_t = mainheight + bottom_h -165;
	}
	else{
	footer_t = mainheight + bottom_h -235;
	}
	document.getElementById('footer').style.top = footer_t;
	document.getElementById('footer').style.left = mainleft;
	document.getElementById('footer').style.visibility = "visible";
}

function showMissionPop(){
lohideMenu();
document.getElementById('div1').style.visibility = "visible";
document.getElementById('bottomdiv').style.visibility = "visible";
}


function hideMissionPop(){
	if (GetCookie('missionroll') != 'on'){
	document.getElementById('div1').style.visibility = "hidden";
	document.getElementById('bottomdiv').style.visibility = "hidden";
	}
}

function setMission(toggle){
SetCookie('missionroll', toggle);
}

setMission('off');

function writeRandom(tdnum){

	if (tdnum == 1){
	var rand1=Math.floor(Math.random()*5);
	rand1 = rand1+1;
	document.write('<td width="127" height="102" valign="top" background = "assets/images/image6_'+rand1+'.gif"></td>');
	MultiCookieSet('maclean', 'rand1', rand1);	
	}
	
	if (tdnum == 2){
	var rand1 = MultiCookieGet('maclean', 'rand1');
	var rand2=Math.floor(Math.random()*5);
	rand2 = rand2+1;
		do {
		rand2=Math.floor(Math.random()*5);
		rand2 = rand2+1;
	} while(rand1 == rand2)
	document.write(' <td width="127" height="82"  background = "assets/images/image6_'+rand2+'.gif"></td>');
	}

}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);