function submit_form(thisform)
{
	
	with (thisform)
	{
		if(first_name.value=="" || first_name.value==null)
		{
			alert('Name must be filled out!')
			first_name.focus();
			return false;
		}
		else if(last_name.value=="" || last_name.value==null)
		{
			alert('Last Name must be filled out!')
			last_name.focus();
			return false;
		}
		else if(email_address.value=="" || email_address.value==null)
		{
			alert('email must be filled out!')
			email_address.focus();
			return false;
		}
		else if(help.value=="" || help.value==null)
		{
			alert('Please enter how we can help you?')
			help.focus();
			return false;
		}
		else if(email_address.value!="" || email_address.value!=null)
		{
			apos=email_address.value.indexOf("@");
			dotpos=email_address.value.lastIndexOf(".");
			if (apos<1||dotpos-apos<2) 
			{
			  	alert("Please enter valid email address.");
				email_address.focus();
				return false;
			}
			else
			{
				return true;
			}
		}
	}
}