	
	var vppPixelShown = false;
	var spaceCharacters = new Array('\?', '%',  '#',  '\&', '|', '!', '\+', '\^', '~', '\\',  '{', '}', '\[', '\]', '=', '<', '>', '/', ';', ':', '@', '\.', '"', '(', ')', '\*', '_', ',');
	var nullCharacters = new Array('-', '\$', '`', "'");
	var searchStrings = new Array();

	function QueueForAgents(searchString, pid){
		PrintVppPixel(searchString, pid);
	}

	function GetImage(advertiser, searchString, pid, cssClass, imageAttributes){
		var uri = String();
		var logo = GetImageFileName(advertiser,'', false);
		var file = GetImageFileName(advertiser,searchString,false);

		uri = 'http://static.vpptechnologies.com/' + file + '?n=n&rdf=' + logo;

		PrintVppPixel(searchString, pid);
		if(pid >= 1285 && pid <= 1299){
			PrintImageBroken(uri, '', pid, cssClass, imageAttributes);
		}else{
			PrintImage(uri, '', pid, cssClass, imageAttributes);
		}
	}


	function GetWebSiteThumb(advertiser, searchString, title, pid, cssClass, imageAttributes)
	{
		var uri = String();
		var file = GetThumbFileName(advertiser,title,false);
		uri = 'http://thumbs.vpptechnologies.com/WebsiteThumbs/' + file

		PrintVppPixel(searchString, pid);
		PrintImage(uri, '', pid, cssClass, imageAttributes);
		
	}

	function GetDefaultImage(advertiser, searchString, pid, cssClass, imageAttributes){
		var uri = String();
		var logo =   GetImageFileName(advertiser,'', false);
		uri = 'http://static.vpptechnologies.com/' + logo;

		PrintVppPixel(searchString, pid);
		PrintImage(uri, '', pid, cssClass, imageAttributes);
	}

	function LogVppRequest(searchString, pid){
		PrintVppPixel(searchString, pid);
	}
	
	function GetBrandImage(advertiser, searchString, pid, cssClass, imageAttributes){
		var uri = String();
		var logo =   GetImageFileName(advertiser,'', true);
		uri = 'http://static.vpptechnologies.com/' + logo;

		PrintVppPixel(searchString, pid);
		if(pid >= 1285 && pid <=1299){
			PrintImageBroken(uri, '', pid, cssClass, imageAttributes);
		}else{
			PrintImage(uri, '', pid, cssClass, imageAttributes);
		}
	}
	
	function PrintVppPixel(searchString, pid){
		if(!vppPixelShown){
			var pixel = GetVppPixel(pid,searchString);
			vppPixelShown = true;
			document.write(pixel);
		}
	}
	function PrintImage(uri, alt, pid, cssClass, imageAttributes){
		var img = '<img src="' + uri + '" alt="' + alt + '"';
		if(cssClass != ''){
			img = img + ' class="' + cssClass + '"';
		}
		if(imageAttributes != ''){
			img = img + ' ' + imageAttributes;
		}
		img = img + ' />';
		document.write(img);
	}
	function PrintImageBroken(uri, alt, cssClass, imageAttributes){
		var img = '<img src="' + uri + '" alt="' + alt + '"';
		if(cssClass != ''){
			img = img + ' class="' + cssClass + '"';
		}
		if(imageAttributes != ''){
			img = img + ' ' + imageAttributes;
		}
		img = img + ' />';
		document.write(img);
	}

	function GetVppPixel(pid, searchString){
		var uri2 = 'http://agentq.vpptechnologies.com/js.vppimage?key=' + escape(unescape(searchString)) + '&cn=us&pid=' + pid;
		var imgTag = '<img src="' + uri2 + '" alt="" style="position: absolute; top: 0px; right: 0px; border: 0px;" />';
		return imgTag;
	}

	function GetImageFileName(advertiser, searchString, isBrand){
		var key;
		if(!isBrand){
			key = CleanAdvertiserName(advertiser) + '|' + CleanSearchString(searchString) + '|100|1|0';
		}else{
			key = CleanAdvertiserName(advertiser) + '||100|1|1';
		}
		var file = hex_md5(key);
		return file.substr(0,1) + '/' + file.substr(1,2) + '/' + file.substr(3,2) + '/' + file.substring(5,file.length) + '.jpg';
	}

	function GetThumbFileName(advertiser, title) {
	
		var key = CleanAdvertiserName(advertiser) + '|' + CleanTitle(title) + '|100|1|2';

		var file = hex_md5(key);
		return file.substr(0,1) + '/' + file.substr(1,2) + '/' + file.substr(3,2) + '/' + file.substring(5,file.length) + '.jpg';
	}

	function CleanAdvertiserName(advertiser){
		var regex = new RegExp('http://|https://|ww1[\.]|ww2[\.]|www[\.]','gi');
		advertiser = advertiser.replace(regex,'');
		var x = advertiser.indexOf('/');
		if(x != -1){
			advertiser = advertiser.substring(0,x);
		}
		return advertiser.toLowerCase();
	}

	function CleanSearchString(searchstring){
		if(searchstring != ''){
			var original = searchstring;
			var ss = searchStrings[searchstring];
			if(ss && ss != ''){
				return ss;
			}
			searchstring = unescape(searchstring.toLowerCase());
			for(var i = 0; i < spaceCharacters.length; i++){
				while(searchstring.indexOf(spaceCharacters[i]) > -1){
					searchstring = searchstring.replace(spaceCharacters[i], ' ');
				}
			}

			for(var j = 0; j < nullCharacters.length; j++){
				while(searchstring.indexOf(nullCharacters[j]) > -1){
					searchstring = searchstring.replace(nullCharacters[j], '');
				}
			}

			var words = new Array();
			var usedWords = new Array();
			words = searchstring.split(' ');
			words = words.sort();

			searchstring = "";
			for(var k = 0; k < words.length; k++){
				if(words[k].length <= 1 || (k > 0 && words[k-1] == words[k])) continue;
				else{
					usedWords.push(words[k]);
				}
			}
			searchstring = usedWords.join(' ');
			searchStrings[original] = searchstring;
		}
		return searchstring;
	}


	function CleanTitle(Title)
	{
		return Title.toLowerCase();
	}

	/*
	 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
	 * Digest Algorithm, as defined in RFC 1321.
	 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
	 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
	 * Distributed under the BSD License
	 * See http://pajhome.org.uk/crypt/md5 for more info.
	 */
	var hexcase = 1;  /* hex output format. 0 - lowercase; 1 - uppercase        */
	var b64pad  = "="; /* base-64 pad character. "=" for strict RFC compliance   */
	var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

	function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
	function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
	function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
	function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
	function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
	function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

	/* 
	 * Perform a simple self-test to see if the VM is working 
	 */
	function md5_vm_test()
	{
	  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
	}

	/*
	 * Calculate the MD5 of an array of little-endian words, and a bit length
	 */
	function core_md5(x, len)
	{
	  /* append padding */
	  x[len >> 5] |= 0x80 << ((len) % 32);
	  x[(((len + 64) >>> 9) << 4) + 14] = len;
	  
	  var a =  1732584193;
	  var b = -271733879;
	  var c = -1732584194;
	  var d =  271733878;

	  for(var i = 0; i < x.length; i += 16)
	  {
		var olda = a;
		var oldb = b;
		var oldc = c;
		var oldd = d;
	 
		a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
		d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
		c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
		b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
		a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
		d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
		c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
		b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
		a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
		d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
		c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
		b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
		a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
		d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
		c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
		b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

		a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
		d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
		c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
		b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
		a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
		d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
		c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
		b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
		a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
		d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
		c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
		b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
		a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
		d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
		c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
		b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

		a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
		d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
		c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
		b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
		a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
		d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
		c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
		b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
		a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
		d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
		c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
		b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
		a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
		d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
		c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
		b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

		a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
		d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
		c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
		b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
		a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
		d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
		c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
		b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
		a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
		d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
		c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
		b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
		a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
		d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
		c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
		b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

		a = safe_add(a, olda);
		b = safe_add(b, oldb);
		c = safe_add(c, oldc);
		d = safe_add(d, oldd);
	  }
	  return Array(a, b, c, d);
	  
	}

	/*
	 * These functions implement the four basic operations the algorithm uses.
	 */
	function md5_cmn(q, a, b, x, s, t)
	{
	  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
	}
	function md5_ff(a, b, c, d, x, s, t)
	{
	  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
	}
	function md5_gg(a, b, c, d, x, s, t)
	{
	  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
	}
	function md5_hh(a, b, c, d, x, s, t)
	{
	  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
	}
	function md5_ii(a, b, c, d, x, s, t)
	{
	  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
	}

	/*
	 * Calculate the HMAC-MD5, of a key and some data
	 */
	function core_hmac_md5(key, data)
	{
	  var bkey = str2binl(key);
	  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

	  var ipad = Array(16), opad = Array(16);
	  for(var i = 0; i < 16; i++) 
	  {
		ipad[i] = bkey[i] ^ 0x36363636;
		opad[i] = bkey[i] ^ 0x5C5C5C5C;
	  }

	  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
	  return core_md5(opad.concat(hash), 512 + 128);
	}

	/*
	 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
	 * to work around bugs in some JS interpreters.
	 */
	function safe_add(x, y)
	{
	  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
	  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
	  return (msw << 16) | (lsw & 0xFFFF);
	}

	/*
	 * Bitwise rotate a 32-bit number to the left.
	 */
	function bit_rol(num, cnt)
	{
	  return (num << cnt) | (num >>> (32 - cnt));
	}

	/*
	 * Convert a string to an array of little-endian words
	 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
	 */
	function str2binl(str)
	{
	  var bin = Array();
	  var mask = (1 << chrsz) - 1;
	  for(var i = 0; i < str.length * chrsz; i += chrsz)
		bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
	  return bin;
	}

	/*
	 * Convert an array of little-endian words to a string
	 */
	function binl2str(bin)
	{
	  var str = "";
	  var mask = (1 << chrsz) - 1;
	  for(var i = 0; i < bin.length * 32; i += chrsz)
		str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
	  return str;
	}

	/*
	 * Convert an array of little-endian words to a hex string.
	 */
	function binl2hex(binarray)
	{
	  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
	  var str = "";
	  for(var i = 0; i < binarray.length * 4; i++)
	  {
		str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
			   hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
	  }
	  return str;
	}

	/*
	 * Convert an array of little-endian words to a base-64 string
	 */
	function binl2b64(binarray)
	{
	  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
	  var str = "";
	  for(var i = 0; i < binarray.length * 4; i += 3)
	  {
		var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
					| (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
					|  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
		for(var j = 0; j < 4; j++)
		{
		  if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
		  else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
		}
	  }
	  return str;
	}