// JavaScript Document

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

function validate_form(thisform) {
with (thisform)
  {
  if (validate_email(yourEmail,"Your email address is invalid")==false)
    {yourEmail.focus();return false;}
  if (validate_required(yourName,"Please enter your Name")==false)
  	 {yourName.focus();return false;} 
  if (validate_required(yourCompany,"Please enter your Company")==false)
    {yourCompany.focus();return false;} 
  if (validate_required(yourPhone,"Please enter your Phone")==false)
    {yourPhone.focus();return false;} 
  if (validate_required(yourComment,"Please enter your Comment")==false)
    {yourComment.focus();return false;} 
  }
}