NN = (navigator.appName.indexOf("Netscape")!=-1);

function f_submit()
{
i=document.frmMain.email_update.checked;
if(i==true) {
	e=document.frmMain.email.value;
	l=document.frmMain.l_name.value;
	f=document.frmMain.f_name.value;
	if(e=="") { 
		alert("E-mail is required if you would like updates.");
		document.frmMain.email.focus();
		return(0);
		}
	if(l=="") {
		alert("Last name is required if you would like updates.");
		document.frmMain.l_name.focus();
		return(0);	
		}
	if(f=="") {
		alert("First name is required if you would like updates.");
		document.frmMain.f_name.focus();
		return(0);	
		}
	}
document.frmMain.browser_app.value = navigator.appName;
document.frmMain.browser_ver.value = navigator.appVersion;
document.frmMain.platform.value = navigator.platform;
if(NN) lng = navigator.language;
else lng = navigator.browserLanguage;
document.frmMain.language.value = lng;
//document.frmMain.language.value = navigator.systemLanguage;
s=document.frmMain.browser_app.value;
s+="\n"+document.frmMain.browser_ver.value;
s+="\n"+document.frmMain.platform.value;
s+="\n"+lng
//alert(s);
document.frmMain.submit();
}