openImage = function(imageName)
{
	width=640;
	height=480;
	
	window.open('popupImage.php?img=uploads/thumb_large_' + imageName, 'imageGallery', 'width=' + width + ',height=' + height + ',menubar=no');
}

updateNeighborhoods = function(cityID,neighborID)
{
	citySelect = document.getElementById(cityID);
	
	if (citySelect.value == "1")
	{	
		var gNeighborhood1=document.getElementById(neighborID);
		var strURL="findNeighbor.php?city=1&show=1";
		var req = getXMLHTTP();
		if (req)
		{
			req.onreadystatechange = function()
		 	{
		  		if (req.readyState == 4)
		  		{
		 			// only if "OK"
					if (req.status == 200)
			 		{
						document.getElementById(neighborID).innerHTML=req.responseText;
		 			} else {
		   				alert("There was a problem while using XMLHTTP:\n" + req.statusText);
		 			}
		   		}
		  	}
			req.open("GET", strURL, true);
			req.send(null);
		}	
	}
	else
	{
		document.getElementById(neighborID).innerHTML = "<select name=\"neighborhood\"><option value=\"\">Any</option></select>";
	}
}
function getXMLHTTP() { //fuction to return the xml http object
	var xmlhttp = false;
	if (window.XMLHttpRequest)
	  {
	  // code for IE7+, Firefox, Chrome, Opera, Safari
	  xmlhttp=new XMLHttpRequest();
	  }
	else if (window.ActiveXObject)
	  {
	  // code for IE6, IE5
	  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	else
	  {
	  alert("Your browser does not support XMLHTTP!");
	  }
	  
    return xmlhttp;
}