<!--

var urlReferer;
var strReferer;
var blnInsurance=0;
var expDate = new Date();
FixCookieDate(expDate);
expDate.setTime(expDate.getTime()+(30*60*1000));

function isNum(entry) {
   for (var i=0; i < entry.length; i++) {
      var ch = entry.substring(i, i + 1)
      if ((ch < "0" || "9" < ch) && ch != ".") return false;
      }
   return true;
   }

function updateCart(mode, id, quantity) {
  var ValidChars = "0123456789.";
  var isNumber=true;
  var Char;

  for (i = 0; i < quantity.length && isNumber == true; i++)  { 
    Char = quantity.charAt(i); 
    if (ValidChars.indexOf(Char) == -1) {
      isNumber = false;
      }
    }

  if (quantity < 0) {
    alert('If you want to delete it from your cart, set the quantity to 0.  Please do not enter negative numbers.');
    return;
    }

  if (isNumber) {
    var URL = 'updatecart.php?mode=' + mode + '&id=' + id + '&qty=' + quantity + '&URL=' + urlReferer;
    document.location=URL;
	}
  }

function keepShopping() {
  document.location=strReferer;
  }

function getCookieVal (offset) {
   var endstr = document.cookie.indexOf (";", offset);
   if (endstr == -1) endstr = document.cookie.length;
   return unescape(document.cookie.substring(offset, endstr));
   }

function FixCookieDate (date) {
   var base = new Date(0);
   var skew = base.getTime(); // dawn of (Unix) time - should be 0
   if (skew > 0)  // Except on the Mac - ahead of its time
      date.setTime (date.getTime() - skew);
   }

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,expires,path,domain,secure) {
   document.cookie = name + "=" + escape (value) +
   ((expires) ? "; expires=" + expires.toGMTString() : "") +
   ((path) ? "; path=" + path : "") +
   ((domain) ? "; domain=" + domain : "") +
   ((secure) ? "; secure" : "");
   }

function DeleteCookie (name,path,domain) {
   if (GetCookie(name)) {
      document.cookie = name + "=" +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-70 00:00:01 GMT";
      }
   }

//-->