function GetRoadsTo(sStr)
{
	var xmlhttp = null;

	xmlhttp = GetObject();

	if(xmlhttp==null)
	{
		return;
	}

	var url = "getRoadTo.php?sText=" + sStr;
	
	xmlhttp.onreadystatechange=function()
	{
		document.getElementById("phTo").innerHTML = xmlhttp.responseText;
	}

	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}

function GetObject()
{
	var xmlhttp = null;
	
	try
	{
		xmlhttp = new XMLHttpRequest();
	}
	catch(e)
	{
		try
		{
			xmlhttp = new ActiveXObject("Msxml2.xmlhttp");
		}
		catch(e)
		{
			try
			{
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e)
			{
				xmlhttp = null;
			}
		}
	}
	return xmlhttp;
}