var AJAX_OFF="/env/grafics/empty.gif";
var AJAX_ON="/env/grafics/ajax.gif";
var timeout="";

function handleResponse(){
    if (http.readyState == 4){
        var response = http.responseXML;

		// get the document title
        doctitle="";		
        if (response.getElementsByTagName("title")[0].firstChild!=null){
	        doctitle=response.getElementsByTagName("title")[0].firstChild.nodeValue;
	    }
		//document.getElementById("title").innerHTML=doctitle;
		document.getElementById("bookmarkTitle").value=doctitle;
		
		// determine if crawling is allowed by the robots.txt
        docrobotsOK="";		
        if(response.getElementsByTagName("robots")[0].firstChild!=null){
	        docrobotsOK=response.getElementsByTagName("robots")[0].firstChild.nodeValue;
	    }
        robotsOKspan=document.getElementById("robotsOK");
        if(robotsOKspan.firstChild){
	        robotsOKspan.removeChild(robotsOKspan.firstChild);
        }
        if (docrobotsOK==1){
        	img=document.createElement("img");
        	img.setAttribute("src", "/env/grafics/ok.png");
        	img.setAttribute("width", "32px");
        	img.setAttribute("height", "32px");
			img.setAttribute("alt", "robots.txt - OK");
        	robotsOKspan.appendChild(img);
        } else if(docrobotsOK==0){
			img=document.createElement("img");
        	img.setAttribute("src", "/env/grafics/bad.png");
        	img.setAttribute("width", "32px");
        	img.setAttribute("height", "32px");
			img.setAttribute("alt", "robots.txt - Bad");
        	robotsOKspan.appendChild(img);
        	// robotsOKspan.appendChild(img);
        } else {
	        robotsOKspan.appendChild(document.createTextNode(""));
	        document.getElementById("robotsOK").innerHTML="";
        }		
		
		// get the sitemap URL contained in the robots.txt
		if (document.getElementsByName("sitemapURL").length > 0) {
			sitemap="";		
	        if (response.getElementsByTagName("sitemap")[0].firstChild!=null){
		        sitemap=response.getElementsByTagName("sitemap")[0].firstChild.nodeValue;
		    }		
			document.getElementsByName("sitemapURL")[0].value=sitemap;
			if (sitemap) document.getElementById("sitemap").disabled=false;
		}
			sitelist="";		
	        if (response.getElementsByTagName("sitelist")[0].firstChild!=null){
		        sitelist=response.getElementsByTagName("sitelist")[0].firstChild.nodeValue;
		    }
			document.getElementById("sitelistURLs").innerHTML = sitelist;
			if (sitelist) document.getElementById("sitelist").disabled=false;
        
		// clear the ajax image
		document.getElementById("ajax").setAttribute("src", AJAX_OFF);
    }
}

function changed() {
	window.clearTimeout(timeout);
	timeout=window.setTimeout("loadInfos()", 1500);
}

function loadInfos() {
	// displaying ajax image
	document.getElementById("ajax").setAttribute("src",AJAX_ON);	
	
	url=document.getElementById("crawlingURL").value;
	if (url.indexOf("ftp") == 0 || url.indexOf("smb") == 0) document.getElementById("crawlingQ").disabled=true; else document.getElementById("crawlingQ").disabled=false;
	sndReq('/api/getpageinfo_p.xml?actions=title,robots&url='+url);
	document.getElementById("api").innerHTML = "<a href='http://localhost:8090/api/getpageinfo_p.xml?actions=title,robots&url=" + url + "' id='apilink'><img src='/env/grafics/api.png' width='60' height='40' alt='API'/></a><span>See the page info about the start url.</span>";
	
}