function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false}
else {return true}
}
}

function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@")
dotpos=value.lastIndexOf(".")
if (apos<1||dotpos-apos<2) 
  {alert(alerttxt);return false}
else {return true}
}
}

function formSchedule(thisform)
{
with (thisform)
{
if (validate_required(name,"Please fill out your name!")==false)
  {name.focus();return false}
if (validate_required(phone,"Please fill out your phone!")==false)
  {phone.focus();return false}
}
}

function formEstimate(thisform)
{
with (thisform)
{
if (validate_required(name,"Please fill out your name!")==false)
  {name.focus();return false}
if (validate_required(phone,"Please fill out your phone!")==false)
  {phone.focus();return false}
if (validate_required(email,"Please fill out your email!")==false)
  {email.focus();return false}  
if (validate_email(email,"Invalid e-mail!")==false)
  {email.focus();return false}    
if (validate_required(address,"Please fill out your address!")==false)
  {address.focus();return false}  
if (validate_required(city,"Please fill out your city!")==false)
  {city.focus();return false}  
}
}