var agt=navigator.userAgent.toLowerCase();
var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);
var vers = parseFloat(navigator.appVersion);
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
	       && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('omniweb')==-1)
	       && (agt.indexOf('webtv')==-1));
var is_navComp = (is_nav && (vers > 4.04));
var is_ie   = (agt.indexOf("msie") != -1);
var is_ie4up  = (is_ie  && (is_major = 4));

function startMapN() {
    mapWindow=window.open('index1.html','mapWindow','width=800,height=600,resizable=no,screenX=2,screenY=2');
}

function startMapIE() {
    mapWindow=window.open('index1.html','mapWindow','width=800,height=600,resizable=no,screenX=2,screenY=2');
}


function upDate() {
    updWindow=window.open('http://home.netscape.com/computing/download/index.html','updWindow','width=640,height=480,resizable=yes,menubar=yes,directories=yes,scrollbars=yes');
    alrt.close();
}


function mapStart() {
    
    if (is_navComp) {
	startMapN();
    }
    
    if (is_ie4up) {
	startMapIE();
    }
    
    if (!is_navComp && !is_ie4up) {
	alrt=window.open("http://my.brandeis.edu/map/loadFailed.tcl","","width=450,height=350,scollbars=yes");
    }
    
}