var http;
var linkLoc, linkImg, linkInfo;
var maxW;

function loadLink()
{
	linkLoc = document.getElementById("tgocLink");
	linkImg = document.getElementById("tgocLinkImg");
	linkInfo = document.getElementById("tgocLinkInfo");
	maxW = 600;
}

function getLinkImg(str)
{
	linkInfo.innerHTML = "<b>Downloading the image and/or description for the link you selected...</b>";
	linkImg.src = "/images/tgocnewlogo.png";

	var url="getLinkImg.php?id=" + str;
	http=GetXmlHttpObject(stateChanged);
	http.open("GET", url, true);
	http.send(null);
}

function stateChanged()
{
	var res = http.responseText;
	if (http.readyState==4 || http.readyState=="complete")
	{
		var arr = res.split("|");
		if (arr.length == 3) {
			if (arr[0] != "") {
				linkLoc.href = arr[0];
			} else {
				linkLoc.href = "#";
			}
			if (arr[1] != "") {
				linkImg.src = "/" + arr[1];
			} else {
				linkImg.src = "/images/tgocnewlogo.png";
			}

			if (arr[2] != "") {
				linkInfo.innerHTML = arr[2];
			} else {
				linkInfo.innerHTML = "Please select a link to see a photo and/or information about the link.";
			}
		}
	}
}

function GetXmlHttpObject(handler)
{
	var objXmlHttp=null;

	if (navigator.userAgent.indexOf("Opera")>=0) {
		alert("This example doesn't work in Opera");
		return;
	}
	if (navigator.userAgent.indexOf("MSIE")>=0) {
		var strName="Msxml2.XMLHTTP";
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
		{
			strName="Microsoft.XMLHTTP";
		}
		try {
			objXmlHttp=new ActiveXObject(strName);
			objXmlHttp.onreadystatechange=handler;
			return objXmlHttp;
		}
		catch(e) {
			alert("Error. Scripting for ActiveX might be disabled");
			return;
		}
	}
	if (navigator.userAgent.indexOf("Mozilla")>=0)
	{
		objXmlHttp=new XMLHttpRequest();
		objXmlHttp.onload=handler;
		objXmlHttp.onerror=handler;
		return objXmlHttp;
	}
}