function notEmpty(elem)
{
	var str = elem.value;
	if(str==null || str.length==0)
	{
		alert("Please fill in the required fields.");
		return false;
	}
	else
	{
		return true;
	}
}

function radioCheck(radio)
{
	var valid = false;
	for(var i=0;i<radio.length;i++)
	{
		if(radio[i].checked)
		{
			return true;
		}
	}
	alert("Please fill in the required fields.");
	return false;
}

function validateForm(form){
if(notEmpty(form.fname)){
if(notEmpty(form.lname)){
if(notEmpty(form.company)){
if(notEmpty(form.mail)){
if(notEmpty(form.phone)){
if(notEmpty(form.state)){
if(notEmpty(form.country)){
if(radioCheck(form.numemployees)){
if(radioCheck(form.location)){
return true;
}}}}}}}}}
return false;
}