// detect browsers
var ns, ie, ie4, ie5;
bname = navigator.appName;
ver = navigator.appVersion;
int_ver = parseInt(ver);
if (bname.indexOf("Netscape") >= 0 && int_ver == 4) ns = 1;
if (bname.indexOf("Microsoft Internet Explorer") >=0 && int_ver >= 4) ie = 1;
if (navigator.userAgent.indexOf('MSIE 4')>0) ie4 = 1;
if (navigator.userAgent.indexOf('MSIE 5')>0) ie5 = 1;

// supports nested references for netscape
function getObjStyle(objTree) {
	var objStrArr = objTree.split('.');
	var objStr = objStrArr[objStrArr.length-1];
	var strS = "";
	if (ns) {
		strS += "document.layers[objStrArr[0]]";
		if (objStrArr.length > 1) {
			for (var i=1; i<objStrArr.length; i++) {
				strS += ".document.layers[objStrArr["+i+"]]";
			}
		}
		return (eval(strS));
	}
	
	else if (ie) {
		return (document.all[objStr].style);
	}
}
// RolloverIt
if (document.images) {
	    cuny = new Image();
		cuny.src = "images/nav_1.gif";
		cuny_on = new Image();
		cuny_on.src = "images/nav_1_on.gif";
		homel = new Image();
		homel.src = "images/nav_2.gif";
		homel_on = new Image();
		homel_on.src = "images/nav_2_on.gif";
		ourstory = new Image();
		ourstory.src = "images/nav_3.gif";
		ourstory_on = new Image();
		ourstory_on.src = "images/nav_3_on.gif";
		archive = new Image();
		archive.src = "images/nav_4.gif";
		archive_on = new Image();
		archive_on.src = "images/nav_4_on.gif";
		intro = new Image();
		intro.src = "images/nav_5.gif";
		intro_on = new Image();
		intro_on.src = "images/nav_5_on.gif";
		about = new Image();
		about.src = "images/nav_6.gif";
		about_on = new Image();
		about_on.src = "images/nav_6_on.gif";
	
	
}
function rollIt() {
	if (document.images) {
		var num_arg = arguments.length;
		if (num_arg == 0 || (num_arg % 2) != 0) return;
		for (var i=0; i<num_arg; i) {
			var j = i+1;
			var imgname = arguments[i];
			var imgsrc = arguments[j];
			document.images[imgname].src = eval(imgsrc+'.src');
			i+=2;
		}
	}
}

// include standard netscape resize bug fix
if (ns) {
	winw = window.innerWidth;
	winh = window.innerHeight;
	window.onResize = reloadwin;
}

function reloadwin () {
	if ((winw != window.innerWidth) || (winh != window.innerHeight)) {
		document.location.href = document.location.href;
	}
}