function dotaz(a,b,c,ochrana)
{
	var xmlHttp;
	try {
		xmlHttp=new XMLHttpRequest();
	}
	  
	catch (e) {
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
		    try {
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e) {
				alert("Váš prohlížeč nepodporuje AJAX");
				return false;
			}   
		}  
	}
	xmlHttp.onreadystatechange=function() {
		if(xmlHttp.readyState==4) {
			var x=document.getElementById("dotaznik");
			x.innerHTML = xmlHttp.responseText;
		}
	}
	xmlHttp.open("GET","/konform.php?a="+encodeURIComponent(a)+"&b="+encodeURIComponent(b)+"&c="+encodeURIComponent(c)+"&ochrana="+encodeURIComponent(ochrana),true);
	xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
	xmlHttp.send(null); 
}