//Rotate home page banners
var rand1 = 0;
var useRand = 0;

images = new Array;
images[1] = new Image();
images[1].src = "common/images/banner1.gif";
images[2] = new Image();
images[2].src = "common/images/banner2.gif";
images[3] = new Image();
images[3].src = "common/images/banner5.gif";
images[4] = new Image();
images[4].src = "common/images/banner7.gif";
images[5] = new Image();
images[5].src = "common/images/banner9.gif";
images[6] = new Image();
images[6].src = "common/images/banner10.gif";

function swapPic() {
	var imgnum = images.length - 1;
	do {
	var randnum = Math.random();
	rand1 = Math.round((imgnum - 1) * randnum) + 1;
	} while (rand1 == useRand);
	useRand = rand1;
	document.randimg.src = images[useRand].src;
	}
	
	
// Current year for footer

today=new Date();
y0=today.getFullYear();


// Automatically tab to the next field when filling SSN and Phone Numbers

var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) {
var keyCode = (isNN) ? e.which : e.keyCode; 
var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
if(input.value.length >= len && !containsElement(filter,keyCode)) {
input.value = input.value.slice(0, len);
input.form[(getIndex(input)+1) % input.form.length].focus();
}

function containsElement(arr, ele) {
var found = false, index = 0;
while(!found && index < arr.length)
if(arr[index] == ele)
found = true;
else
index++;
return found;
}
function getIndex(input) {
var index = -1, i = 0, found = false;
while (i < input.form.length && index == -1)
if (input.form[i] == input)index = i;
else i++;
return index;
}
return true;
}


//Character Limit Counter
function textCounter(field,cntfield,maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else
cntfield.value = maxlimit - field.value.length;
}

	 
//Include email address with subject line & Anti-Span
function stopSpam() {
  var displaytext = "<b>:: email us ::</b>"; // Enter text to display on page
  var mail1 = "info"; // Enter first part of e-mail address
  var mail2 = "spotaspot.org"; // Enter second part of e-mail address
  var subject = "?subject=Comments"; // enter subject for e-mail
  document.write("<a href=" + "mail" + "to:" + mail1 + "@" + mail2 + subject + ">" + displaytext + "</a>")
}

//Open story small pop up window
function launch(url) {
  self.name = "opener";
  remote = open(url, "remote", "scrollbars=none,width=400,height=550");
}