/*rollover script*/
function MM_findObj(n, d) { //v3.0
  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); return x;
}

/* Functions that swaps images. */
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_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;
}
/*blubar rollovers*/
if(navigator.appName == "Microsoft Internet Explorer" &&
parseInt(navigator.appVersion) >= 4){
	ie4 = true;
}
else {
	ie4 = false;
}

function changeColor(){
	if(ie4){
		what = window.event.srcElement;
		if(what.className == "nav"){
			if(what.style.color == "#ffffff"){
				what.style.color = "#003366";
			}
			else {
				what.style.color = "#ffffff";
			}
		}
		else {}
	}
}

document.onmouseover = changeColor;
document.onmouseout = changeColor;

/*form check script*/
function checkform(form) {
  return(
  validateZip(form.zip)
  )
}

function validateZip(myfield) {
  if (notNull(myfield.value)) {
  if(isDigits(myfield.value))
	 {
		 if (isSize(myfield.value,5))  return true
	 }
	}
  myfield.focus()
  alert("Invalid zip code. Please enter 5-digit zip code.")
  return false
}

function notNull(str) {
  if (str.length == 0 )  return false
  else   return true
}

function isSize(str, size) {
  if (str.length == size)   return true
  else  return false
}

function isDigits(str) {
  var i
  for (i = 0; i < str.length; i++) {
  mychar = str.charAt(i)
  if (mychar < "0" || mychar > "9")  return false
  }
  return true
}

function stripNonDigits(str) {
  var i
  var newstring = ""
  for (i = 0;  i < str.length; i++) {
  mychar = str.charAt(i)
  if (isDigits(mychar))   newstring += mychar
  }
  return newstring
}


//COOKIE SCRIPT DO NOT DELETE
var expDays = 1; // number of days the cookie should last

var page = "/popups/givelife.html";
var windowprops = "toolbar=no,location=0,directories=0,status=0,menubar=0,scrollbars=0,width=540,height=320,left=110,top=250,screenX=100,screenY=50,resizable=1";

function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
function SetCookie (name, value) {
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function DeleteCookie (name) {
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function amt(){
var count = GetCookie('count')
if(count == null) {
SetCookie('count','1')
return 1
}
else {
var newcount = parseInt(count) + 1;
DeleteCookie('count')
SetCookie('count',newcount,exp)
return count
}
}
function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

function checkCount() {
var count = GetCookie('count');
if (count == null) {
count=1;
SetCookie('count', count, exp);

}
else {
count++;
SetCookie('count', count, exp);
}
}