startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("topMenu");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
		if (node.nodeName=="LI") {
			node.onmouseover=function() {
		this.className+=" over";
  	}
 	node.onmouseout=function() {
  		this.className=this.className.replace(" over", "");
   	}
   }
  }
 }
}

function ValidateForm() {	
	var email = new RegExp("^[^.]+(\.[^.]+)*@([^.]+[.])+[a-z]{2,4}$");
  if (document.getElementById('email').value=="" || !email.test(document.getElementById('email').value)) {
  	alert("Zadejte, prosím, Váš e-mail.");
    document.getElementById('email').focus();
    return false;
  }
	if ((document.getElementById('message').value=="")||(document.getElementById('message').value.length < 5)) {
		alert("Zadejte, prosím, Váš dotaz.");
    document.getElementById('message').focus();
    return false;
  }
	return true;
}