var ie4=document.all;
var ns6=document.getElementById&&!document.all;

function checkSubscribeForm()
{
	if ((document.getElementById("name").value=="") || (document.getElementById("company").value=="") || (document.getElementById("email").value==""))
		fnFindBrowserStyle(document.getElementById("warning_message")).display="block";
	else
	{
		fnFindBrowserStyle(document.getElementById("warning_message")).display="none";	
		document.getElementById("subscribe_form").submit();
	}
}

function fnFindBrowserStyle(objIdent)
{ return ((ie4||ns6) ? objIdent.style : objIdent); }