function validateForm()
{
var x=document.forms["myForm"]["FIRST_NAME"].value
if (x==null || x=="")
  {
  alert("First name must be filled out");
  return false;
  }
  
var x=document.forms["myForm"]["LAST_NAME"].value
if (x==null || x=="")
  {
  alert("Last name must be filled out");
  return false;
  }
  
var x=document.forms["myForm"]["CITY"].value
if (x==null || x=="")
  {
  alert("City must be filled out");
  return false;
  }  

var x=document.forms["myForm"]["PHONE"].value
if (x==null || x=="")
  {
  alert("City must be filled out");
  return false;
  }
  
var x=document.forms["myForm"]["NOTE"].value
if (x==null || x=="")
  {
  alert("Problem must be filled out");
  return false;
  }    
  
var x=document.forms["myForm"]["EMAIL"].value
var atpos=x.indexOf("@");
var dotpos=x.lastIndexOf(".");
if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)
  {
  alert("Not a valid e-mail address");
  return false;
  }
  
}