function testforenter () {
	if (event.keyCode == 13) {
		event.cancelBubble = true;
		event.returnValue = false;
    }
}

function presalesform () {
  var frm = document.getElementById('salesform');
  if (frm.first_name.value == ""){
	  window.alert("Please fill in your first name");
  } else if (frm.last_name.value == ""){
	  window.alert("Please fill in your last name");
  } else if (frm.company.value == ""){
	  window.alert("Please fill in your company name.");
  } else if (frm.title.value == ""){
	  window.alert("Please fill in your job title");
  } else if (frm.email.value == ""){
	  window.alert("Please fill in your email address.");
  } else if (!isvalidemail(frm.email.value)){
	  window.alert("Please enter a valid email address.");
  } else if (frm.phone.value == ""){
	  window.alert("Please fill in your phone number.");
  } else {
	  frm.submit();
  }
  return false;
}

function isvalidemail(email) {
  var regex = /^((\"[^\"\f\n\r\t\v\b]+\")|([\w\!\#\$\%\&'\*\+\-\~\/\^\`\|\{\}]+(\.[\w\!\#\$\%\&'\*\+\-\~\/\^\`\|\{\}]+)*))@((\[(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))\])|(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))|((([A-Za-z0-9\-])+\.)+[A-Za-z\-]+))$/;
  if (email != '' && !regex.test(email)) {
    return false;
  }
  return true;
}