var bIE = (navigator.appName.indexOf("Microsoft Internet Explorer") != -1) ? true : false;    // true for Internet Explorer
var bNetscape = (navigator.appName.indexOf("Netscape") != -1) ? true : false;    	      // true for Netscape

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}


function getLongDay(intDay) {
	var dayArray = new Array("Sunday", "Monday", "Tuesday", "Wednesday",
								 "Thursday", "Friday", "Saturday");
	return dayArray[intDay];
}

function getLongMonth(intMonth) {
	var monthArray = new Array("January", "February", "March",
								   "April", "May", "June",
								   "July", "August", "September",
								   "October", "November", "December");
	return monthArray[intMonth];
}

function getTodaysDate() {
	var today = new Date();
	var ld = today.getDay();
	var dayofweek = getLongDay(ld);
	var d = today.getDate();
	var day = (d < 10) ? '0'+d : d;
	var m = today.getMonth();
	var month = getLongMonth(m);
	var yy = today.getYear();
	var year = (yy < 2000) ? yy + 1900 : yy;
	
	var todayStr = dayofweek +",&nbsp;" + month + " " + day + ", " + year;
	
	return todayStr;
}

var bWinDBPortal = 0;

function popupDBPortal(){
  if(bWinDBPortal == 0){
  	hWinDBPortal = window.open('../dbportal.htm', 'hWinDBPortal', 'toolbar=0,scrollbars=0,location=0,status=0,menubar=0,resizable=0,width=380,height=600,top=40,left=120,screenX=40,screenY=120');
    bWinDBPortal = 1;
  }
  else{
    if(hWinDBPortal.closed){
      hWinDBPortal = window.open('../dbportal.htm', 'hWinDBPortal', 'toolbar=0,scrollbars=0,location=0,status=0,menubar=0,resizable=0,width=380,height=600,top=40,left=120,screenX=40,screenY=120');
    }
    else{
      hWinDBPortal.focus();
    }
  }
  startAnimatedGIF();
}

function getObjbyId(name){
  this.obj = document.getElementById(name);
  this.style = document.getElementById(name).style;
}

function getObjbyAll(name){
  this.obj = document.all[name];
  this.style = document.all[name].style;
}

function getObjbyLayers(name){
  this.obj = document.layers[name];
  this.style = document.layers[name].style;
}

function dismissBWWarning(){ 
  if(document.getElementById){ 
	var x = new getObjbyId('spanBWWarning');
	x.style.visibility = "hidden";
  }
  else if(document.all){ 
        var y = new getObjbyAll('spanBWWarning');
	y.style.visibility = "hidden";
  }
  else if(document.layers){ 
	var z = new getObjbyLayers('spanBWWarning');
	z.style.visibility = "hidden";
  }
}

var imgAGURL = "images/animatedgifname.gif";

function startAnimatedGIF(){
  if(document.imgANIM){
  	document.imgANIM.src = imgAGURL;
  }
}

var preloadFlag = false;

function winInit(){
  if(document.images){ 
	xpic01 = newImage("images/tpic01over.jpg");
	xpic02 = newImage("images/tpic02over.jpg");
	xpic03 = newImage("images/tpic03over.jpg");
	xpic04 = newImage("images/tpic04over.jpg");
	preloadFlag = true;

	dismissBWWarning();

	return true;
  }
}