var xmlhttp = false;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
      try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
      catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
      catch (E) { xmlhttp = false; }
}
@end @*/

if (!xmlhttp && typeof XMLHttpRequest!='undefined'){
     try { xmlhttp = new XMLHttpRequest(); }
     catch (e){ xmlhttp = false;  }
     }
if (!xmlhttp && window.createRequest) {
     try { xmlhttp = window.createRequest(); }
     catch (e){ xmlhttp = false; }
}

function formSend(){

        var od = document.getElementById('od').value;
        var email = document.getElementById('email').value;
        var telefon = document.getElementById('telefon').value;
        var predmet = document.getElementById('predmet').value;
				var vzkaz = document.getElementById('vzkaz').value;

        xmlhttp.open('GET', "formular-napiste.php?od=" +od+ "&email=" +email+ "&telefon=" +telefon+ "&predmet=" +predmet+ "&vzkaz=" +vzkaz, true);
        xmlhttp.onreadystatechange = function() {

    if (xmlhttp.readyState==4){

       window.alert(xmlhttp.responseText);
        document.getElementById('od').value = "";
        document.getElementById('email').value = "";
        document.getElementById('telefon').value = "";
        document.getElementById('predmet').value = "";
				document.getElementById('vzkaz').value = xmlhttp.responseText;
       }
     }
  xmlhttp.send(null)
}



function confirmSend(){


pred = document.getElementById('email').value.indexOf("@")
za = document.getElementById('email').value.lastIndexOf(".")

 if (document.getElementById('od').value=="")
  {
   window.alert("Není zadáno jméno!")
   return false
  }
 if (document.getElementById('email').value == "" || pred<1 || za-pred<2)
  {
   window.alert("Zadaný email není platný!")
   return false
	} 
 if (document.getElementById('predmet').value=="")
  {
   window.alert("Není zadán předmět zprávy!")
   return false
  } 
 if (document.getElementById('vzkaz').value=="")
  {
   window.alert("Není zadán vzkaz!")
   return false
  }  
  
formSend();
        
}