function validateSignup(newsletter_signup)
	{
	var why="";
	why += checkName(newsletter_signup.name.value);
	why += checkEmail(newsletter_signup.email.value);
	if (why !="")
	{
	alert(why);
	return false;
	}
	else 
	{
	return true;
	}
	
}


function validateForm(form)
	{
	var why="";
	why += checkName(form.name.value);
	why += checkCompany(form.company.value);
	why += checkTitle(form.title.value);
	why += checkEmail(form.email.value);
	why += checkComments(form.comments.value);	
	if (why !="")
	{
	alert(why);
	return false;
	}
	else 
	{
	return true;
	}
	
}

function checkName(strng) 
{
	var error = "";	
	if (strng == "") 
	{
		error = "-Please enter your name.\n";
	} 
	return error;
}       

function checkCompany(strng) 
{
	var error = "";	
	if (strng == "") 
	{
		error = "-Please enter your company.\n";
	}
	return error;
}

function checkTitle(strng) 
{
	var error = "";	
	if (strng == "") 
	{
		error = "-Please enter your title.\n";
	}
	return error;
}

function checkEmail(strng) 
{
	var error= "";
	var emailFilter=/^.+@.+\..{2,3}$/;
    if (strng == "") 
	{
		error = "-Please enter your email.\n";
	}
	else if (!(emailFilter.test(strng))) { 
       error = "-Please enter a valid email.\n";
    }
	return error;
}

function checkComments(strng) 
{
	var error= "";
    if (strng == "") 
	{
		error = "-Please enter your comment.\n";
	}
	return error;
}