function validate_contact_form(form){if(form.name.value==''){alert("Please enter your name");form.name.focus();return false;}
if(form.email.value.indexOf("@")<=0||form.email.value.indexOf(".")<=0){alert("The format of the \"e-mail\" address is incorrect. Please enter in the format 'john@aol.com'");form.email.focus();return(false);}
if(form.message.value==''){alert("Please enter your message");form.message.focus();return false;}
validation_code=String(form.validation_code.value);if(isNaN(parseInt(form.validation_code.value))||validation_code.length<4){alert("Please enter validation code as shown on screen");form.validation_code.focus();return false;}
form.btn_submit.disabled="disabled";return true;}