function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function odeslatForm(){
   var chyby = 0;
   id = 'jmeno'; if(trim(document.getElementById(id).value) == ''){chyby += 1;}
   id = 'mail'; if(trim(document.getElementById(id).value) == ''){chyby += 1;}
   id = 'text'; if(trim(document.getElementById(id).value) == ''){chyby += 1;}
   
   var text = document.getElementById('mail').value;
	var vyraz = new RegExp("^[_a-zA-Z0-9-]+([\.]{1}[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+([\.]{1}[a-zA-Z0-9-]+)*[\.]{1}[a-z]{2,3}$");
	var result = text.search(vyraz);
	if(result == -1){chyby += 1;}
   
   if(chyby == 0){document.forms.kontakt.submit();}else{document.getElementById('msgGood').style.display = 'none'; document.getElementById('msgBad').style.display = 'block';}
}

var gMapa

function myload(){
   if (GBrowserIsCompatible()) {
     var map = new GMap2(document.getElementById("goog"));
     var nahoru = 50.639799;
     var doprava = 13.831219;
     var center = new GLatLng(nahoru, doprava);
     var znacka = new GMarker(center, {draggable: false});
     
     map.setCenter(center, 17);
     //map.addControl(new GMapTypeControl());
     //map.addControl(new GLargeMapControl());
     map.addOverlay(znacka);
     map.setUIToDefault();
   }

}