var brFull = navigator.userAgent.toLowerCase();
var br;
if (brFull.search(/safari\/(\d)*/) != -1)
	br = "safari";
else if (brFull.search(/iphone\/(\d)*/) != -1)
	br = "iphone";
else if (brFull.search(/ipod\/(\d)*/) != -1)
	br = "iphone";
	
function clearField (field) {
	field.className = "editField";
	field.value = "";
}

function clearContactFormBeforSend () {
	f = document.getElementById("contactForm");
	if (f.elements["Name"].value == "Your name")
		f.elements["Name"].value = "";
	if (f.elements["Lastname"].value == "Your lastname")
		f.elements["Lastname"].value = "";
	if (f.elements["Email"].value == "email@domain.com")
		f.elements["Email"].value = "";
}