var http = false;
if(navigator.appName == "Microsoft Internet Explorer") {
  http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
  http = new XMLHttpRequest();
} 


function replace(where, what) {
	var d = new Date();
	var t = d.getTime();
	var q = document.getElementById('query').value;
	var cat = document.getElementById('cat').value;
	var clickedState = document.getElementById('clickedState').value;
	var clickedCity = document.getElementById('clickedCity').value;
	var clickedCountry = document.getElementById('clickedCountry').value;
	var clickedRegion = document.getElementById('clickedRegion').value;
	var minAsk = document.getElementById('minAsk').value;
	var maxAsk = document.getElementById('maxAsk').value;
	if(document.czsearch.srchType.checked == true) {
		var srchType = "T";
} else {
		var srchType = "";
	}
	if(document.czsearch.hasPic.checked == true) {
		var hasPic = "1";
} else {
		var hasPic = "";
	}
	http.open("GET", "gocz.php?" + "id=" + what + "&q=" + q + "&cat=" + cat + "&clickedState=" + clickedState + "&clickedCity=" + clickedCity + "&hasPic=" + hasPic + "&srchType=" + srchType + "&minAsk=" + minAsk + "&maxAsk=" + maxAsk + "&clickedCountry=" + clickedCountry  + "&clickedRegion=" + clickedRegion + "&d=" + t, true);
	document.getElementById('alert').innerHTML = "<div style='text-align:center' class='alert'>please wait...</div>"; //hides undefined message
	http.onreadystatechange=function() {
    if(http.readyState == 4) {
	document.getElementById('loadingCity').innerHTML = "";
	var data = http.responseText.split("###");
	document.getElementById(where).innerHTML = data[0];
	if(data[1] == "r"){
	parent.showframe.location.href = data[2];
	document.getElementById('alert').innerHTML = "<div class=\"alert\" style=\"width:100%;\">ok, take a look...</div>"; // from form
	}else{
	document.getElementById('alert').innerHTML = data[2];
	}
    }
  }
	http.send(null);
}

function loading(where){
	document.getElementById(where).innerHTML = "<img src='./images/loading.gif'>";
}

function setClickedState(where, what) { 
	document.getElementById(where).value = what; //clicked city url
	document.getElementById('clickedCity').value = "n"; //clicked city url
    }

function setClickedCountry(where, what) { 
	document.getElementById(where).value = what; //clicked city url
	document.getElementById('clickedRegion').value = "n"; //clicked city url
    }

function setClickedCity(where, what) { 
	document.getElementById(where).value = what; //clicked city url
	document.getElementById('alert').innerHTML = "<div class=\"alert\" style=\"width:100%;\">ok, take a look...</div>"; //clicked city url
}