var http_request = new Array();var handled = new Array();var scanqueue = new Array();var i=1, maxedout=0, sq=-1, nextscan=-1;
var inprogress=0;
var uniquelinks = new Array;

var totlinksfound = 0, uniquelinksfound = 0, questlinksfound = 0;
var pagesscanned = 0;


function applyEvent(theObj, theEvent, theFunction){
	if(window.addEventListener){ // Mozilla, Netscape, Firefox
		theObj.addEventListener(theEvent, theFunction, false);
	}else{ // IE
		theObj.attachEvent('on' + theEvent, theFunction);
	};
};

function showHelp(e){
	var thisele;
	if(!(typeof event == "undefined")){ 	// Internet Explorer
		thisele = event.srcElement;
	}else if(this){ // Netscape and Firefox
		thisele = this;
	};
	var thismenu = document.getElementById(thisele.getAttribute('menu'));

	var xcoord=0;
	var ycoord=0;
	if(typeof event == "undefined"){
		xcoord+=e.pageX -300;
		ycoord+=e.pageY - 165;
	}else if(typeof window.event !="undefined"){
		xcoord+=thisele.scrollLeft+event.clientX -300;
		ycoord+=thisele.scrollTop+document.getElementsByTagName('body')[0].scrollTop+event.clientY - 165;
	};
	thismenu.style.left=xcoord+"px";
	thismenu.style.top=ycoord+"px";
};

function clearHelp(e){
	var thisele;
	if(!(typeof event == "undefined")){ 	// Internet Explorer
		thisele = event.srcElement;
	}else if(this){ // Netscape and Firefox
		thisele = this;
	};
	thismenu = document.getElementById(thisele.getAttribute('menu'));
	thismenu.style.left = -500+"px";
};

function spacify(strIn){
	var newstr = "";
	while(strIn.length>60){
		newstr = newstr + strIn.substring(0,60) + " ";
		strIn = strIn.substring(60);
	};
	return newstr + strIn;
};

function makeRequest(url, i) {

	if (window.XMLHttpRequest) { // Mozilla, Safari, etc.

		http_request[i] = new XMLHttpRequest();

		if (http_request[i].overrideMimeType) {

			http_request[i].overrideMimeType('text/xml');

		}

	} else if (window.ActiveXObject) { // IE

		try {

			http_request[i] = new ActiveXObject("Msxml2.XMLHTTP");

		} catch (e) {

			try {

				http_request[i] = new ActiveXObject("Microsoft.XMLHTTP");

			}
			catch (e) {
			}

		}

	}

	if (!http_request[i]) {

		return false;

	}

	http_request[i].onreadystatechange = function(){handleResponse(i)};

	http_request[i].open('GET', url, true);

	http_request[i].send(null);

	return true;

}



function handleResponse(i){
	var tmplink, tmpanchor;

	if(http_request[i].readyState == 4){
		var xmldoc = http_request[i].responseXML;

		var ret = xmldoc.getElementsByTagName('scanresult').item(0);

		var ret_err = ret.getElementsByTagName('err').item(0).firstChild.data;
		var ret_notvaliddata = ret.getElementsByTagName('notvaliddata').item(0).firstChild.data;
		if(ret_err!=0){

			alert(ret_err + "\n" + ret_notvaliddata);
		}else{
			pagesscanned++;
			var resultsdiv = document.getElementById('resultsdiv');
			resultsdiv.style.display = "block";

			var reqid = ret.getElementsByTagName('reqid').item(0).firstChild.data;

			var requrl = ret.getElementsByTagName('requrl').item(0).firstChild.data;

			var responsecode = ret.getElementsByTagName('responsecode').item(0).firstChild.data;
			var numlinks = Math.round(ret.getElementsByTagName('numlinks').item(0).firstChild.data);
			var numquestlinks = Math.round(ret.getElementsByTagName('numquestionable').item(0).firstChild.data);
			var blogpercent = Math.max(ret.getElementsByTagName('blogpercent').item(0).firstChild.data,-1000);
			var linksfound = ret.getElementsByTagName('linksfound').item(0);
			var thelinks = linksfound.getElementsByTagName('linkurl');
			var theanchors = linksfound.getElementsByTagName('linkanchor');
			var theaflags = linksfound.getElementsByTagName('linkquestionable');
			var thelinkdomains = linksfound.getElementsByTagName('linkdomain');
			var thefoundondomains = linksfound.getElementsByTagName('foundondomain');
			var newdivs = new Array;
			var isunique;
			var oldqlength = scanqueue.length;
			for(j=0;j<numlinks;j++){
				tmplink = thelinks.item(j).firstChild.data;
				tmpanchor = theanchors.item(j).firstChild.data;
				tmpaflag = theaflags.item(j).firstChild.data;
				tmplnkdom = thelinkdomains.item(j).firstChild.data;
				tmpfoundon = thefoundondomains.item(j).firstChild.data;
				isunique = true;
				for(k=0;k<uniquelinks.length;k++){
					if(tmplink==uniquelinks[k]){
						isunique = false;
					};
				};
				if(isunique){
					if(tmpaflag==1){
						newdivs[j] = document.createElement('div');
						newdivs[j].setAttribute("className", "somelink");
						newdivs[j].setAttribute("class", "somelink");
						var thedisplay = "<b>Questionable:</b><br />\nFound on: " + requrl + "<br />\n";
						thedisplay += "<b>URL</b>: " + tmplink + "<br />" + "<b>Anchor text</b>: " + tmpanchor;
						newdivs[j].innerHTML = thedisplay;
						resultsdiv.appendChild(newdivs[j]);
					};
					var addthis = true, numthisdoms=0;
					if(scanqueue.length<40){
						for(r=0;r<scanqueue.length;r++){
							if(scanqueue[r][1]==tmplnkdom){
								numthisdoms++
							};
						};
						if(numthisdoms>2){
							addthis = false;
						};
					}else{
						addthis = false;
					};
					if(addthis){
						sq++;
						scanqueue[sq] = new Array;
						scanqueue[sq][0] = tmplink;

						scanqueue[sq][1] = tmplnkdom;

						scanqueue[sq][2] = tmpfoundon;
					};
					uniquelinks[uniquelinks.length] = tmplink;
					uniquelinksfound++;
				};

			}
			totlinksfound = totlinksfound + numlinks;
			questlinksfound = questlinksfound + numquestlinks;
			document.getElementById('linksfound').innerHTML = totlinksfound;
			document.getElementById('uniquelinksfound').innerHTML = uniquelinksfound;
			document.getElementById('questlinksfound').innerHTML = questlinksfound;
			document.getElementById('pagesscanned').innerHTML = pagesscanned;
			//update the queue item
			var uthis;
			var l = reqid;
			uthis = document.getElementById("qspan" + l);
			uthis.innerHTML = uthis.innerHTML + "<br />Scanned: ";
			uthis.innerHTML = uthis.innerHTML + numlinks + " links found, ";
			uthis.innerHTML = uthis.innerHTML + numquestlinks + " questionable links found, ";
			uthis.innerHTML = uthis.innerHTML + " header returned: " + responsecode;
			var imgdiv = document.getElementById("qdivr" + l);
			if(responsecode==403){
				var denyimg = document.createElement('img');
				denyimg.setAttribute('src', '/images/403.gif');
				denyimg.setAttribute('alt', '403 Forbidden');
				denyimg.setAttribute('title', '403 Forbidden');
				denyimg.setAttribute('menu', 'forbidhelp');
				imgdiv.innerHTML = "";
				imgdiv.appendChild(denyimg);
				applyEvent(denyimg, 'mousemove', showHelp);
				applyEvent(denyimg, 'mouseout', clearHelp);
			}else{
				if(responsecode==301 || responsecode==302){
					var redirtype="";
					if(responsecode==301){
						redirtype = "301 Redirect";
					}else{
						redirtype = "302 Redirect";
					};
					var redirimg = document.createElement('img');
					redirimg.setAttribute('src', '/images/redir.gif');
					redirimg.setAttribute('alt', redirtype);
					redirimg.setAttribute('title', redirtype);
					redirimg.setAttribute('menu', 'redirhelp');
					imgdiv.innerHTML = "";
					imgdiv.appendChild(redirimg);
					applyEvent(redirimg, 'mousemove', showHelp);
					applyEvent(redirimg, 'mouseout', clearHelp);
				}else{
					if(responsecode==404){
						var redximg = document.createElement('img');
						redximg.setAttribute('src', '/images/redx.gif');
						redximg.setAttribute('alt', '404 Not Found');
						redximg.setAttribute('title', '404 Not Found');
						redximg.setAttribute('menu', 'missinghelp');
						imgdiv.innerHTML = "";
						imgdiv.appendChild(redximg);
						applyEvent(redximg, 'mousemove', showHelp);
						applyEvent(redximg, 'mouseout', clearHelp);
					}else{
						if(numquestlinks==0){
							var gcheckimg = document.createElement('img');
							gcheckimg.setAttribute('src', '/images/gcheck.gif');
							gcheckimg.setAttribute('alt', 'Page Checks Clean');
							gcheckimg.setAttribute('title', 'Page Checks Clean');
							gcheckimg.setAttribute('menu', 'cleanhelp');
							imgdiv.innerHTML = "";
							imgdiv.appendChild(gcheckimg);
							applyEvent(gcheckimg, 'mousemove', showHelp);
							applyEvent(gcheckimg, 'mouseout', clearHelp);
						}else{
							var warnimg = document.createElement('img');
							warnimg.setAttribute('src', '/images/ywarning.gif');
							warnimg.setAttribute('alt', 'Potential Bad Neighborhood');
							warnimg.setAttribute('title', 'Potential Bad Neighborhood');
							warnimg.setAttribute('menu', 'warninghelp');
							imgdiv.innerHTML = "";
							imgdiv.appendChild(warnimg);
							applyEvent(warnimg, 'mousemove', showHelp);
							applyEvent(warnimg, 'mouseout', clearHelp);
						};
					};
				};
			};
			var imgdivb = document.getElementById("qdivrb" + l);
			var bar;
			if(numlinks<=40){
				bar = 1;
			}else if(numlinks>40 && numlinks<=80){
				bar = 2;
			}else if(numlinks>80 && numlinks<=100){
				bar = 3;
			}else if(numlinks>100 && numlinks<=120){
				bar = 4;
			}else if(numlinks>120 && numlinks<=140){
				bar = 5;
			}else if(numlinks>140 && numlinks<=300){
				bar = 6;
			}else if(numlinks>300){
				bar = 7;
			};
			var barimg = document.createElement('img');
			barimg.setAttribute('src', '/images/bars' + bar + '.gif');
			barimg.setAttribute('alt', 'Link Density Gauge');
			barimg.setAttribute('title', 'Link Density Gauge');
			barimg.setAttribute('menu', 'linkdensityhelp');
			imgdivb.appendChild(barimg);
			applyEvent(barimg, 'mousemove', showHelp);
			applyEvent(barimg, 'mouseout', clearHelp);
			var imgdivc = document.getElementById("qdivrc" + l);
			if(blogpercent<=40){
				imgdivc.innerHTML = "<img src='/images/noicon.gif' alt='No Blogspam Detected' title='No Blogspam Detected'>";
			}else{
				var bspamimg = document.createElement('img');
				bspamimg.setAttribute('src', '/images/blogspam.gif');
				bspamimg.setAttribute('alt', 'Possible Blogspam Detected (' + blogpercent + '%)');
				bspamimg.setAttribute('title', 'Possible Blogspam Detected (' + blogpercent + '%)');
				bspamimg.setAttribute('menu', 'blogspamhelp');
				imgdivc.appendChild(bspamimg);
				applyEvent(bspamimg, 'mousemove', showHelp);
				applyEvent(bspamimg, 'mouseout', clearHelp);
			};
			document.getElementById("qdiv" + l).style.backgroundColor = "#FFF5F6";
			//quick display for queue
			var newqlength = scanqueue.length;
			var newqdivs = new Array;
			var newqspans = new Array;
			var newqdivresults = new Array;
			var newqdivresultsb = new Array;
			var newqdivresultsc = new Array;
			var pform = document.getElementById('progressform');
			for(x=oldqlength;x<newqlength;x++){
				newqdivs[x] = document.createElement('div');
				newqdivs[x].setAttribute("className", "qdiv");
				newqdivs[x].setAttribute("class", "qdiv");
				newqdivs[x].setAttribute("id", "qdiv" + x);
				newqspans[x] = document.createElement('span');
				newqspans[x].setAttribute("id", "qspan" + x);
				newqspans[x].innerHTML = (x + 1) + ") " + spacify(scanqueue[x][0]) + "\n";
				newqspans[x].innerHTML = newqspans[x].innerHTML + "<br />Found on: " + scanqueue[x][2] +"\n";
				newqdivresults[x] = document.createElement('div');
				newqdivresults[x].setAttribute("className", "qdivresult");
				newqdivresults[x].setAttribute("class", "qdivresult");
				newqdivresults[x].setAttribute("id", "qdivr" + x);
				newqdivresultsb[x] = document.createElement('div');
				newqdivresultsb[x].setAttribute("className", "qdivresult");
				newqdivresultsb[x].setAttribute("class", "qdivresult");
				newqdivresultsb[x].setAttribute("id", "qdivrb" + x);
				newqdivresultsc[x] = document.createElement('div');
				newqdivresultsc[x].setAttribute("className", "qdivresult");
				newqdivresultsc[x].setAttribute("class", "qdivresult");
				newqdivresultsc[x].setAttribute("id", "qdivrc" + x);
				newqdivs[x].appendChild(newqdivresults[x]);
				newqdivs[x].appendChild(newqdivresultsb[x]);
				newqdivs[x].appendChild(newqdivresultsc[x]);
				newqdivs[x].appendChild(newqspans[x]);
				pform.appendChild(newqdivs[x]);
			};
		};
		// move to the next one
		if(nextscan+1<scanqueue.length){
			nextscan++;
			document.getElementById("qdivr" + nextscan).innerHTML = "<img src='/images/scanfast.gif'>";
			scan(scanqueue[nextscan][0], nextscan);
		};
	}else{

		//alert('There was a problem with the request. ReadyState:' + http_request[i].readyState);

	};

}


function startScan(){
	if(inprogress!=0){
		return false;
	}else{
		inprogress=1;
	}

	var initurl = document.getElementById('urlstart').value;
	var errbox = document.getElementById("errbox");
	var toolform = document.getElementById("toolform");
	var startingpoint = document.getElementById("startingpoint");
	var progress = document.getElementById("progress");
	if(initurl==""){
		errbox.innerHTML = "You must enter in a URL.<p></p>";
		inprogress=0;
	}else{
		errbox.innerHTML = "";
		var thereset = document.getElementById("reset-switch");
		thereset.style.display = "inline";
		var thereset = document.getElementById("fieldsetqueue");
		thereset.style.display = "block";
		startScanB();
	}
}

function startScanB(){
	var initurl = document.getElementById('urlstart').value;
	var errbox = document.getElementById("errbox");
	var toolform = document.getElementById("toolform");
	var startingpoint = document.getElementById("startingpoint");
	var progress = document.getElementById("progress");

	errbox.innerHTML = "";
	toolform.style.display = "none";
	startingpoint.innerHTML = spacify(initurl);
	startingpoint.style.display = "inline";
	progress.style.display = "block";
	if(initurl.substring(0,7)!="http://" && initurl.substring(0,8)!="https://"){
		initurl = "http://" + initurl;
	};
	var newqdiv, newqdivresult, newqdivresultb, newqdivresultc, newqspan;
	var pform = document.getElementById('progressform');
	newqdiv = document.createElement('div');
	newqdiv.setAttribute("className", "qdiv");
	newqdiv.setAttribute("class", "qdiv");
	newqdiv.setAttribute("id", "qdiv0");
	newqspan = document.createElement('span');
	newqspan.setAttribute("id", "qspan0");
	newqspan.innerHTML = "1) " + initurl + "\n";
	newqdivresult = document.createElement('div');
	newqdivresult.setAttribute("className", "qdivresult");
	newqdivresult.setAttribute("class", "qdivresult");
	newqdivresult.setAttribute("id", "qdivr0");
	newqdivresultb = document.createElement('div');
	newqdivresultb.setAttribute("className", "qdivresult");
	newqdivresultb.setAttribute("class", "qdivresult");
	newqdivresultb.setAttribute("id", "qdivrb0");
	newqdivresultc = document.createElement('div');
	newqdivresultc.setAttribute("className", "qdivresult");
	newqdivresultc.setAttribute("class", "qdivresult");
	newqdivresultc.setAttribute("id", "qdivrc0");
	newqdiv.appendChild(newqdivresult);
	newqdiv.appendChild(newqdivresultb);
	newqdiv.appendChild(newqdivresultc);
	newqdiv.appendChild(newqspan);
	pform.appendChild(newqdiv);
	sq++;
	scanqueue[sq] = new Array;
	scanqueue[sq][0] = initurl;

	scanqueue[sq][1] = "";

	scanqueue[sq][2] = "";
	nextscan++;
	document.getElementById("qdivr0").innerHTML = "<img src='/images/scanfast.gif'>";
	scan(initurl, 0);
}

function encodeQuery(inqstr){
	if(inqstr.indexOf('?')!=-1){
		startstr = inqstr.substring(0, inqstr.indexOf('?') +1);
		endstr = escape(inqstr.substring(inqstr.indexOf('?') +1));
		inqstr = startstr + endstr;
	};
	return inqstr;
}

function URLencode(sStr) {
	return escape(sStr).replace(/\+/g, '%2B').replace(/\"/g,'%22').replace(/\'/g, '%27').replace(/\&/g, '%26');
}

function stripprot(inUrl){
	var outUrl = new Array();
	if(inUrl.substring(0,7)=="http://"){
		//inUrl = inUrl.substring(7);
		outUrl[0] = inUrl.substring(7);
		outUrl[1] = 0;
	}
	if(inUrl.substring(0,8)=="https://"){
		inUrl = inUrl.substring(8);
		outUrl[0] = inUrl.substring(8);
		outUrl[1] = 1;
	}
	return outUrl;
}	

function scan(url, divid){
	i++;
	var urlbits = new Array();
	urlbits = stripprot(url);
	//url = stripprot(url);
	if(i<=100){

		makeRequest('scan.php?u='+URLencode(urlbits[0])+'&prot='+urlbits[1]+'&reqid='+divid, i);
		//makeRequest('scan.php?u='+URLencode(url)+'&reqid='+divid, i);
	}else{
		maxedout = 1;
	};

}