function verify(form)
{
	if(document.form.part_number.value == "")
	{
		alert("Please specify a Part Number");
		document.form.part_number.focus();
		return false;
	}
	else return true;
}

function parse(form)
{
	var part_number = document.form.part_number.value;
	var pattern = /\w/;
	var returnString = "";

	for (var i=0; i < part_number.length; i++)
	{
		var letter = part_number.charAt(i).toLowerCase();
		if( pattern.test(letter) )
		{
			returnString += letter;
		}
		else
		{
			continue
		}
  	}
	document.form.part_number.value = returnString;
}