// JavaScript Document
function validate_form(form)
{
	var errors = "";
	switch(form.name)
	{
		case '1':
			if(form.supplier.value == '')
			{
				errors = errors + "Supplier info is empty\n";
			}
			if(form.duns.value == '')
			{
				errors = errors + "Supplier DUNS Number is empty\n";
			}
			if(form.contact_name.value == '')
			{
				errors = errors + "Contact name is empty\n";
			}
			if(form.contact_phone.value == '')
			{
				errors = errors + "Contact phone is empty\n";
			}
			if(form.contact_email.value == '')
			{
				errors = errors + "Contact email is empty\n";
			}
			break;
		case '2':
			if(form.references.value == '')
			{
				errors = errors + "Customer References is empty\n";
			}
			if(form.form_ref.value == '')
			{
				errors = errors + "Previous Customer References is empty\n";
			}
			if(form.sales.value == '')
			{
				errors = errors + "Previous Total Sales is empty\n";
			}
			break;
		case '3':
			break;
		case '4':
			break;
	}
	
	if(errors)
	{
		alert("Please fix the following errors:\n\n" + errors);
		return false;
	}
}