// JavaScript Document
function validate_email(field)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2)
{
alert("This does not appear to be a valid email address");
return false;
}
else
{
return true;
}
}
}
function validate_name(field)
{
with (field)
{
if (value==""||value==null)
{
alert("Please enter a name");
return false;
}
else
{
return true;
}
}
}
function validate_form(thisform)
{
with (thisform)
{
if (validate_name(custname)==false)
{
custname.focus();
return false;
}
if (validate_email(email)==false)
{
email.focus();
return false;
}
}
}
function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function checkCookie()
{
cookieName=getCookie('sentmail');
//see if you have a cookie
if (cookieName != null && cookieName != "")
  {
  alert('Email sent. Thank you.');
  }
//destroy cookie
//setCookie('sentmail','bad',-1);  
//  else 
//  {
//  username=prompt('Please enter your name:',"");
//  if (username!=null && username!="")
//    {
//    setCookie('username',username,365);
//    }
//  }
}