
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


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);




function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function form_is_okay(form) {
	var strError = "Your form is missing some required information. Please check that the following required fields have been provided:\n\n";
	var blnOkay = true;
	if (form.requiredFields.value != '') {
		var arrReq = form.requiredFields.value.split(',');
		for(var i=0;i<(arrReq.length);i++) {
			var strFieldName = arrReq[i];
			for (var j=0;j<(form.length);j++) {
				if (strFieldName == form.elements[j].name && !form.elements[j].value) {
					strError += form.elements[j].name + "\n";
					blnOkay = false;
					break;
				}
			}
		}
	}
	if (!blnOkay){
		alert(strError);
	}
	return blnOkay;
}


/* Specifies the period of time between updates:
    month - once a month
    date - once per every day of the month (repeats the next month)
    weekday - once per every day of the week (repeats the next week)
    hour - once per hour (repeats the next day)
    request - once per browser request (default)
*/

var updatePeriods = new Array("month","date","weekday","hour","request")

// Invoked to display rotated HTML content in a Web page. The period
// argument should be an element of the updatePeriods array.

function displayRotatedContent(period) {
 var updatePeriod = -1
 for(var i=0;i<content.length;++i) {
  if(period.toLowerCase() == updatePeriods[i].toLowerCase()) {
   updatePeriod = i
   break
  }
 }
 var s = selectHTML(updatePeriod)
 document.write(s)
}

function selectHTML(updatePeriod) {
 var n = 0
 var max = content.length
 var d = new Date()
 switch(updatePeriod) {
  case 0: // Month (0 - 11)
   n = d.getMonth()
   break
  case 1: // Date (1 - 31 scaled to 0 - 30)
   n = d.getDate() - 1
   break
  case 2: // Weekday (0 - 6)
   n = d.getDay()
   break
  case 3: // Hour (0 - 23)
   n = d.getHours()
   break
  case 4: // Request (Default)
  default:
   n = selectRandom(max)
 }
 n %= max 
 return content[n]
}

// Select a random integer that is between 0 (inclusive) and max (exclusive)
function selectRandom(max) {
 var r = Math.random()
 r *= max
 r = parseInt(r)
 if(isNaN(r)) r = 0
 else r %= max
 return r
}

