/*  3 fields input PHONE format */
function clearCharacters( oCtrl ) {
	oCtrl.value = oCtrl.value.replace(/\D/g,'');
}
function focusNext( oCtrl, NextCtrlID ) {
	if(oCtrl.value.length==3)
	{
		if (document.getElementById(NextCtrlID))
			document.getElementById(NextCtrlID).focus();
	}
}
function check3Phone( PhoneFieldID1, PhoneFieldID2, PhoneFieldID3, isRequired )
{
	
	if( (document.getElementById(PhoneFieldID1)) && (document.getElementById(PhoneFieldID2)) && (document.getElementById(PhoneFieldID3)) )
	{
		var PhoneField1 = document.getElementById(PhoneFieldID1);
		var PhoneField2 = document.getElementById(PhoneFieldID2);
		var PhoneField3 = document.getElementById(PhoneFieldID3);
		
		if ((PhoneField1.value.length > 0 ) || (PhoneField2.value.length > 0) || (PhoneField3.value.length > 0)) {
			
			if (PhoneField1.value.length < 3 ) {
				alert('This field must be a 3 digit from an U.S. phone number (like 415-555-1212)');
				PhoneField1.focus();
				return false;
			}
			if (PhoneField2.value.length < 3) {
				alert('This field must be a 3 digit from an U.S. phone number (like 415-555-1212)');
				PhoneField2.focus();
				return false;
			}
			if (PhoneField3.value.length < 4) {
				alert('This field must be a 4 digit from an U.S. phone number (like 415-555-1212)');
				PhoneField3.focus();
				return false;
			}
		}
		else
		{
			if ( isRequired ) 
			{
				alert("Please enter Phone ");
				PhoneField1.focus();
				return false;
			}
		}
	}
	
	return true;
}