function resetForm(fn) {
	var f = window.document.forms[fn]
	f.reset()
}

function submitForm(fn) {
	var f = window.document.forms[fn]
	f.submit()
}

function checkForm(fn) {
	var f = window.document.forms[fn]
  var blnErr = false
	
	if (f.company.value == "") {
    f.company.focus()
    alert('please enter your company name')
    blnErr = true
    return false
  }
  if (f.name.value == "") {
    f.name.focus()
    alert('please enter your name')
    blnErr = true
    return false
  }
  if (f.email.value == "") {
  	f.email.focus()
   	alert('please enter e-mail')
   	blnErr = true
   	return false
 	}
 	else if ((f.email.value.indexOf(":")>1)||
  	(f.email.value.indexOf("/")>1)||
    (f.email.value.indexOf("&")>1)||
    (f.email.value.indexOf("'")>1)||
    (f.email.value.indexOf("ü")>1)||
    (f.email.value.indexOf("ö")>1)||
    (f.email.value.indexOf("ä")>1)||
    (f.email.value.indexOf("@")<1)||
    (f.email.value.indexOf(".")<1)||
    (f.email.value.indexOf(".")==f.email.length-1)||
    (f.email.value.indexOf("@")==f.email.length-1))
  {
	 	f.email.focus()
  	alert('please enter valid e-mail')
  	blnErr = true
  	return false
  }
	
	if (blnErr == false) {
		openWin('http://umrand.com/sc/mail.php')
		submitForm(fn)
		resetForm(fn)
	}
}

function openWin( url ) {
  var fenster = 'popupwin'
  var popup = window.open( url,fenster,'resizable=no,scrollbars=no,width=300,height=60' )
  popup.focus()
}