function mutat_bazist() {
	if(window.XMLHttpRequest){
		part_keresget=new XMLHttpRequest();
	}else if(window.ActiveXObject){
		part_keresget=new ActiveXObject('Microsoft.XMLHTTP');
	}	 
	part_keresget.open("get","http://www.balatonikikotok.hu/modules/mutat_bazist.php?at_jel="+document.getElementById('mutat_regio').value,true);
	part_keresget.send(null);
	
	part_keresget.onreadystatechange=function(){
	if(part_keresget.readyState==4 && part_keresget.status==200){
		part_keresget_uj=part_keresget.responseText;
		document.getElementById('regio_latszik').innerHTML=part_keresget_uj;
	}}
	
}