function validate_form(){
	if(document.contact_form.PositionAppliedFor.value=="")
		{alert("Please enter the position you are applying for.");
		document.contact_form.PositionAppliedFor.focus();
		return false;}
	if(document.contact_form.LearnAboutUs_1.checked==false&&document.contact_form.LearnAboutUs_2.checked==false&&document.contact_form.LearnAboutUs_3.checked==false&&document.contact_form.LearnAboutUs_4.checked==false&&document.contact_form.LearnAboutUs_5.checked==false)
		{alert("Please select at least one from 'How did you learn about us?'");
		document.contact_form.LearnAboutUs_1.focus();
		return false;}
	if(document.contact_form.SS_1.value=="")
		{alert("Enter your Social Security number");
		document.contact_form.SS_1.focus();
		return false;}
	if(document.contact_form.SS_2.value=="")
		{alert("Enter your Social Security number.");
		document.contact_form.SS_2.focus();
		return false;}
	if(document.contact_form.SS_3.value=="")
		{alert("Enter your Social Security number.");
		document.contact_form.SS_3.focus();
		return false;}
	if(document.contact_form.BirthMonth.value=="")
		{alert("Enter the two digits of your birth month.");
		document.contact_form.BirthMonth.focus();
		return false;}
	if(document.contact_form.BirthDay.value=="")
		{alert("Enter the two digits of your birth day.");
		document.contact_form.BirthDay.focus();
		return false;}
	if(document.contact_form.BirthYear.value=="")
		{alert("Enter the four digits of your birth year.");
		document.contact_form.BirthYear.focus();
		return false;}
	if(document.contact_form.LastName.value=="")
		{alert("Enter your last name.");
		document.contact_form.LastName.focus();
		return false;}
	if(document.contact_form.FirstName.value=="")
		{alert("Enter your first name.");
		document.contact_form.FirstName.focus();
		return false;}
	if(document.contact_form.MI.value=="")
		{alert("Enter your middle intial.");
		document.contact_form.MI.focus();
		return false;}
	if(document.contact_form.StreetAddress.value=="")
		{alert("Enter your street address.");
		document.contact_form.StreetAddress.focus();
		return false;}
	if(document.contact_form.CityStateZipAddress.value=="")
		{alert("Enter your city, state & zip code.");
		document.contact_form.CityStateZipAddress.focus();
		return false;}
	if(document.contact_form.Crime[0].checked==false&&document.contact_form.Crime[1].checked==false)
		{alert("Please select 'Yes' or 'No' for 'Have you been convicted of a crime?'.");
		document.contact_form.Crime[0].focus();
		return false;}
	if(document.contact_form.OutOfTown[0].checked==false&&document.contact_form.OutOfTown[1].checked==false)
		{alert("Can you work out of town? 'Yes' or 'No'.");
		document.contact_form.OutOfTown[0].focus();
		return false;}
	if(document.contact_form.AppliedBefore[0].checked==false&&document.contact_form.AppliedBefore[1].checked==false)
		{alert("Have you applied here before? 'Yes' or 'No'.");
		document.contact_form.AppliedBefore[0].focus();
		return false;}
	if(document.contact_form.AppliedBefore[0].checked==true&&document.contact_form.AppliedWhen.value=="")
		{alert("When did you apply?");
		document.contact_form.AppliedWhen.focus();
		return false;}
	if(document.contact_form.DriverLicense[0].checked==false&&document.contact_form.DriverLicense[1].checked==false)
		{alert("Please select 'Yes' or 'No' for a valid driver's license.");
		document.contact_form.DriverLicense[0].focus();
		return false;}
	if(document.contact_form.CDL[0].checked==false&&document.contact_form.CDL[1].checked==false)
		{alert("Please select 'Yes' or 'No' for a commercial driver's license.");
		document.contact_form.CDL[0].focus();
		return false;}
	if(document.contact_form.CDL[0].checked==true&&document.contact_form.CDLClass[0].checked==false&&document.contact_form.CDLClass[1].checked==false)
		{alert("What CDL class? 'A' or 'B'.");
		document.contact_form.CDLClass[0].focus();
		return false;}
	if(document.contact_form.CDL[0].checked==true&&document.contact_form.CDLBrake[0].checked==false&&document.contact_form.CDLBrake[1].checked==false)
		{alert("Air brake endorsement? 'Yes' or 'No'.");
		document.contact_form.CDLBrake[0].focus();
		return false;}
	if((document.contact_form.DriverLicense[0].checked==true||document.contact_form.CDL[0].checked==true)&&(document.contact_form.DriverLicense_states.value==""))
		{alert("Please list all states.");
		document.contact_form.DriverLicense_states.focus();
		return false;}
	if(document.contact_form.MineTraining[0].checked==false&&document.contact_form.MineTraining[1].checked==false)
		{alert("24 Hour Surface Mine Training? 'Yes' or 'No'.");
		document.contact_form.MineTraining[0].focus();
		return false;}
	if(document.contact_form.Job1_Name.value!=""&&document.contact_form.ChangePosition.value=="")
		{alert("Please enter why you desire to change your present position.");
		document.contact_form.ChangePosition.focus();
		return false;}
	if(document.contact_form.Job1_Name.value!=""&&document.contact_form.ContactPresent[0].checked==false&&document.contact_form.ContactPresent[1].checked==false)
		{alert("May we contact your present employer?");
		document.contact_form.ContactPresent[0].focus();
		return false;}
	if(document.contact_form.ReferenceName_1.value=="")
		{alert("Please enter the name of a reference.");
		document.contact_form.ReferenceName_1.focus();
		return false;}
	if(document.contact_form.ReferencePhoneArea_1.value=="")
		{alert("Please enter the phone number area code.");
		document.contact_form.ReferencePhoneArea_1.focus();
		return false;}
	if(document.contact_form.ReferencePhonePrefix_1.value=="")
		{alert("Please enter the phone number prefix.");
		document.contact_form.ReferencePhonePrefix_1.focus();
		return false;}
	if(document.contact_form.ReferencePhoneSuffix_1.value=="")
		{alert("Please enter the phone number suffix.");
		document.contact_form.ReferencePhoneSuffix_1.focus();
		return false;}
	if(document.contact_form.ReferenceName_2.value=="")
		{alert("Please enter the name of a reference.");
		document.contact_form.ReferenceName_2.focus();
		return false;}
	if(document.contact_form.ReferencePhoneArea_2.value=="")
		{alert("Please enter the phone number area code.");
		document.contact_form.ReferencePhoneArea_2.focus();
		return false;}
	if(document.contact_form.ReferencePhonePrefix_2.value=="")
		{alert("Please enter the phone number prefix.");
		document.contact_form.ReferencePhonePrefix_2.focus();
		return false;}
	if(document.contact_form.ReferencePhoneSuffix_2.value=="")
		{alert("Please enter the phone number suffix.");
		document.contact_form.ReferencePhoneSuffix_2.focus();
		return false;}
	if(document.contact_form.ReferenceName_3.value=="")
		{alert("Please enter the name of a reference.");
		document.contact_form.ReferenceName_3.focus();
		return false;}
	if(document.contact_form.ReferencePhoneArea_3.value=="")
		{alert("Please enter the phone number area code.");
		document.contact_form.ReferencePhoneArea_3.focus();
		return false;}
	if(document.contact_form.ReferencePhonePrefix_3.value=="")
		{alert("Please enter the phone number prefix.");
		document.contact_form.ReferencePhonePrefix_3.focus();
		return false;}
	if(document.contact_form.ReferencePhoneSuffix_3.value=="")
		{alert("Please enter the phone number suffix.");
		document.contact_form.ReferencePhoneSuffix_3.focus();
		return false;}
	if(document.contact_form.Signature.value=="")
		{alert("Please type your name.");
		document.contact_form.Signature.focus();
		return false;}
return true;}

function clearButtons(buttonGroup)
	{for(i=0;i<buttonGroup.length;i++)
		{if(buttonGroup[i].checked==true){buttonGroup[i].checked=false;}buttonGroup[i].disabled=true;}}
function enableButtons(buttonGroup)
	{for(i=0;i<buttonGroup.length;i++){buttonGroup[i].disabled=false;}}
function data_change(field)
	{var check=true;var value=field.value;
	for(var i=0;i<field.value.length;++i){var new_key=value.charAt(i);
	if(((new_key<"0")||(new_key>"9"))&&!(new_key=="")){check=false;break;}}if(!check){field.style.backgroundColor="red";}else{field.style.backgroundColor="white";}}