function Browser() {
	var b=navigator.appName;
	if (b=="Netscape") this.b="ns";
	else if ((b=="Opera") || (navigator.userAgent.indexOf("Opera")>0)) this.b = "opera";
	else if (b=="Microsoft Internet Explorer") this.b="ie";
	this.version=navigator.appVersion;
	this.v=parseInt(this.version);
	this.ns=(this.b=="ns" && this.v>=4);
	this.ns4=(this.b=="ns" && this.v==4);
	//this.ns6=(this.b=="ns" && this.v==5);
	this.ie=(this.b=="ie" && this.v>=4);
	this.ie4=(this.version.indexOf('MSIE 4')>0);
	this.ie5=(this.version.indexOf('MSIE 5')>0);
	this.ie55=(this.version.indexOf('MSIE 5.5')>0);
	this.ie6up = ((navigator.appVersion.indexOf("MSIE 6")!=-1)||(navigator.appVersion.indexOf("MSIE 7")!=-1));
	this.opera=(this.b=="opera");
	var ua=navigator.userAgent.toLowerCase();
	this.win = (ua.indexOf("win")!=-1);
	this.mac = (ua.indexOf("mac")!=-1);
}
// END BROWSER OBJECT
var is = new Browser();
function roll(divName, imgName, which) {
	if ((is.ns4)&&(divName!=-1)) {
		var imgObject = eval("document." + divName +".document.images['"+imgName +"']");
		imgObject.src = eval(imgName + "_" + which + ".src");
	}	
	else {
		document.images[imgName].src = eval(imgName + "_" + which + ".src");
	} 
}

var baseDir = "";
if (document.images) {
	plans_off = new Image();
	plans_off.src = baseDir + "images/nav_floorplans.gif";
	plans_on = new Image();
	plans_on.src = baseDir + "images/nav_floorplans_mo.gif";

	area_off = new Image();
	area_off.src = baseDir + "images/nav_area.gif";
	area_on = new Image();
	area_on.src = baseDir + "images/nav_area_mo.gif";

	features_off = new Image();
	features_off.src = baseDir + "images/nav_features.gif";
	features_on = new Image();
	features_on.src = baseDir + "images/nav_features_mo.gif";

	contact_off = new Image();
	contact_off.src = baseDir + "images/nav_contact.gif";
	contact_on = new Image();
	contact_on.src = baseDir + "images/nav_contact_mo.gif";
}
function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

var agt=navigator.userAgent.toLowerCase(); 
var is_major = parseInt(navigator.appVersion); 
var is_minor = parseFloat(navigator.appVersion); 
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
                && (agt.indexOf('webtv')==-1)); 
var is_nav2 = (is_nav && (is_major == 2)); 
var is_nav3 = (is_nav && (is_major == 3)); 
var is_nav4 = (is_nav && (is_major == 4)); 
var is_nav4up = (is_nav && (is_major >= 4)); 
var is_ie   = (agt.indexOf("msie") != -1); 
var is_ie4up  = (is_ie  && (is_major >= 4)); 
var is_mac    = (agt.indexOf("mac")!=-1);
 
if ((agt.indexOf("msie") != -1) && (agt.indexOf("mac") == -1)) {
 var newwindow;
}
 
function centerPopUpWin(textlink,ht,wd) {
 if ((agt.indexOf("msie") != -1) && (agt.indexOf("mac") == -1)) {
  if (newwindow != null) { newwindow.close(); }
 }
 newwindow = window.open(textlink,'popup',config='height=' + ht + ',width=' + wd + ',scrollbars=yes,toolbar=no,copyhistory=no,resizable=yes,directories=no,menubar=no,status=no,location=no');
 newwindow.moveTo( (screen.availWidth-wd)/2, (screen.availHeight-ht)/2 );
 newwindow.focus();
}
function mrshill(url) {
msg=open(url,'mrshill','width=575,height=500,toolbar=no,copyhistory=no,scrollbars=yes,resizable=no,directories=no,menubar=no,status=no,location=no');
}