// JavaScript Document
function CheckForm()
{
	if (document.OrderForm.linkman.value == "")
	{ 
		alert("Linkman  can't be empty!"); 
		document.OrderForm.linkman.focus();
		return false;
	}
	
	if (document.OrderForm.phone.value == "")
	{
		alert("Phone can't be empty!");
		document.OrderForm.phone.focus();
		return false;
	}
	if (!check_email(document.OrderForm.email.value)) 
	{ 
		validity = false; alert("Email is error!");
		document.OrderForm.email.focus(); 
		return false; 
	} 
}

function check_email(address)
{
	if ((address == "")|| (address.indexOf ('@') == -1)|| (address.indexOf ('.') == -1))
	return false;
	return true; 
}