var xmlHttp
//window.onload=rvispis;
function rvispis()
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
	  alert ("Browser does not support HTTP Request");
	  return;
	}
	
	var url="rvispis.php";
	var x=document.getElementById("rv").selectedIndex;
	url=url+"?rv="+document.getElementById("rv")[x].value;
	x=document.getElementById("vaziod").selectedIndex;
	url=url+"&vaziod="+document.getElementById("vaziod")[x].value;
	x=document.getElementById("dan").selectedIndex;
	url=url+"&dan="+document.getElementById("dan")[x].value;
	var y=document.getElementById("linija");
	for (i=0;i<y.length;i++){
		if (y.options[i].selected){
			url=url+"&linija[]="+y.options[i].value;
		}
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=state_changed_rvispis; 
	xmlHttp.send(null);
}
function state_changed_rvispis()
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
	 document.getElementById("rvispis").innerHTML=xmlHttp.responseText; 
	}
}