function getCookieVal (offset) {
      var endstr = document.cookie.indexOf (";", offset);
      if (endstr == -1)
        endstr = document.cookie.length;
      return unescape(document.cookie.substring(offset, endstr));
    }
    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);  // delete cookie
      var cval = GetCookie (name);
      document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
    }

function checkmailing(which) {
	if(document.contactform.name.value == "") {
		alert('Please tell us your name. Thank you.');
		document.contactform.name.focus();
		return false;
	}
	if((document.contactform.email.value == "")&&(document.contactform.telephone.value == "")) {
		alert('Please tell us how you would like us to contact you. Thank you.');
		document.contactform.telephone.focus();
		return false;
	}
	if(document.contactform.enquiry.value == "") {
		alert('Please write us a message. Thank you.');
		document.contactform.enquiry.focus();
		return false;
	}
return true;
}

function checksearch(which) {
	if(document.search.terms.value == "") {
		alert('Please enter a search term. Thank you.');
		document.search.terms.focus();
		return false;
	}
return true;
}


function checklogin(which) {
	if(document.login.login.value == "") {
		alert('Please enter your user name. Thank you.');
		document.login.login.focus();
		return false;
	}
return true;
}

function checkrequired(which) {
	if(document.form.email.value == "") {
		alert('Please enter your email. Thank you.');
		document.form.email.focus();
		return false;
	}
	inemail = document.form.email.value;
        split1 = inemail.split("@");
	split2 = inemail.split(".");
        if (split1.length < 2) {
            	alert('There seems to be a mistake with the format of your email. Please check carefully.');
                document.form.email.focus();
		return false;
        }
        if (split2.length < 2) {
            	alert('There seems to be a mistake with the format of your email. Please check carefully.');
                document.form.email.focus();
		return false;
	}
return true;
}

function checkcart(which) {
	if(document.cart.name.value == "") {
		alert('Please enter a contact name. Thank you.');
		document.cart.name.focus();
		return false;
	}
	if(document.cart.add5.value == "") {
		alert('Please enter a postcode or Zip. Thank you.');
		document.cart.add5.focus();
		return false;
	}
	if(document.cart.telephone.value == "") {
		alert('Please enter a contact telephone number. Thank you.');
		document.cart.telephone.focus();
		return false;
	}
	if(document.cart.email.value == "") {
		alert('Please enter your email. Thank you.');
		document.cart.email.focus();
		return false;
	}
	inemail = document.cart.email.value;
        split1 = inemail.split("@");
	split2 = inemail.split(".");
        if (split1.length < 2) {
            	alert('There seems to be a mistake with the format of your email. Please check carefully.');
                document.cart.email.focus();
		return false;
        }
        if (split2.length < 2) {
            	alert('There seems to be a mistake with the format of your email. Please check carefully.');
                document.cart.email.focus();
		return false;
	}
	if((document.cart.email.value != document.cart.confirmemail.value)) {
		alert('Please check the spelling of your email address. Thank you.');
		document.cart.confirmemail.focus();
		return false;
	}
return true;
}