function getCookie(name)
{
	var start = document.cookie.indexOf(name + "=");
	var len = start + name.length + 1;
	if((!start) && (name != document.cookie.substring(0, name.length))) {return null;}
	if(start == -1) {return null;}
	var end = document.cookie.indexOf(";", len);
	if(end == -1) {end = document.cookie.length;}
	return unescape(document.cookie.substring(len, end));
}

function setCookie(name, value, expires, path, domain, secure)
{
	var today = new Date();
	today.setTime(today.getTime());
	if(expires) {expires = expires * 1000 * 60 * 60 * 24;}
	var expires_date = new Date(today.getTime() + (expires));
	document.cookie = name + "=" + escape(value) +
		((expires) ? ";expires=" + expires_date.toGMTString() : "") + //expires.toGMTString()
		((path) ? ";path=" + path : "") +
		((domain) ? ";domain=" + domain : "") +
		((secure) ? ";secure" : "");
}

function array_rand(input,num_req){var indexes=[];var ticks=num_req||1;var checkDuplicate=function(input,value){var exist=false,index=0;while(index<input.length){if(input[index]===value){exist=true;break;}
index++;}
return exist;};if(input instanceof Array&&ticks<=input.length){while(true){var rand=Math.floor((Math.random()*input.length));if(indexes.length===ticks){break;}
if(!checkDuplicate(indexes,rand)){indexes.push(rand);}}}else{indexes=null;}
return((ticks==1)?indexes.join():indexes);}

function count(mixed_var,mode){var key,cnt=0;if(mixed_var===null){return 0;}else if(mixed_var.constructor!==Array&&mixed_var.constructor!==Object){return 1;}
if(mode==='COUNT_RECURSIVE'){mode=1;}
if(mode!=1){mode=0;}
for(key in mixed_var){cnt++;if(mode==1&&mixed_var[key]&&(mixed_var[key].constructor===Array||mixed_var[key].constructor===Object)){cnt+=this.count(mixed_var[key],1);}}
return cnt;}

function max(){var ar,retVal,i=0,n=0;var argv=arguments,argc=argv.length;var _obj2Array=function(obj){if(obj instanceof Array){return obj;}else{var ar=[];for(var i in obj){ar.push(obj[i]);}
return ar;}};var _compare=function(current,next){var i=0,n=0,tmp=0;var nl=0,cl=0;if(current===next){return 0;}else if(typeof current=='object'){if(typeof next=='object'){current=_obj2Array(current);next=_obj2Array(next);cl=current.length;nl=next.length;if(nl>cl){return 1;}else if(nl<cl){return-1;}else{for(i=0,n=cl;i<n;++i){tmp=_compare(current[i],next[i]);if(tmp==1){return 1;}else if(tmp==-1){return-1;}}
return 0;}}else{return-1;}}else if(typeof next=='object'){return 1;}else if(isNaN(next)&&!isNaN(current)){if(current==0){return 0;}else{return(current<0?1:-1);}}else if(isNaN(current)&&!isNaN(next)){if(next==0){return 0;}else{return(next>0?1:-1);}}else{if(next==current){return 0;}else{return(next>current?1:-1);}}};if(argc===0){throw new Error('At least one value should be passed to max()');}else if(argc===1){if(typeof argv[0]==='object'){ar=_obj2Array(argv[0]);}else{throw new Error('Wrong parameter count for max()');}
if(ar.length===0){throw new Error('Array must contain at least one element for max()');}}else{ar=argv;}
retVal=ar[0];for(i=1,n=ar.length;i<n;++i){if(_compare(retVal,ar[i])==1){retVal=ar[i];}}
return retVal;}

function min(){var ar,retVal,i=0,n=0;var argv=arguments,argc=argv.length;var _obj2Array=function(obj){if(obj instanceof Array){return obj;}else{var ar=[];for(var i in obj){ar.push(obj[i]);}
return ar;}};var _compare=function(current,next){var i=0,n=0,tmp=0;var nl=0,cl=0;if(current===next){return 0;}else if(typeof current=='object'){if(typeof next=='object'){current=_obj2Array(current);next=_obj2Array(next);cl=current.length;nl=next.length;if(nl>cl){return 1;}else if(nl<cl){return-1;}else{for(i=0,n=cl;i<n;++i){tmp=_compare(current[i],next[i]);if(tmp==1){return 1;}else if(tmp==-1){return-1;}}
return 0;}}else{return-1;}}else if(typeof next=='object'){return 1;}else if(isNaN(next)&&!isNaN(current)){if(current==0){return 0;}else{return(current<0?1:-1);}}else if(isNaN(current)&&!isNaN(next)){if(next==0){return 0;}else{return(next>0?1:-1);}}else{if(next==current){return 0;}else{return(next>current?1:-1);}}};if(argc===0){throw new Error('At least one value should be passed to min()');}else if(argc===1){if(typeof argv[0]==='object'){ar=_obj2Array(argv[0]);}else{throw new Error('Wrong parameter count for min()');}
if(ar.length===0){throw new Error('Array must contain at least one element for min()');}}else{ar=argv;}
retVal=ar[0];for(i=1,n=ar.length;i<n;++i){if(_compare(retVal,ar[i])==-1){retVal=ar[i];}}
return retVal;}

function mt_rand(min,max){var argc=arguments.length;if(argc===0){min=0;max=2147483647;}else if(argc===1){throw new Error('Warning: mt_rand() expects exactly 2 parameters, 1 given');}
return Math.floor(Math.random()*(max-min+1))+min;}

function str_rot13(str){return(str+'').replace(/[A-Za-z]/g,function(c){return String.fromCharCode((((c=c.charCodeAt(0))&223)-52)%26+(c&32)+65);});}

function str_shuffle(str){if(str==undefined){throw'Wrong parameter count for str_shuffle()';}
var getRandomInt=function(max){return Math.floor(Math.random()*(max+1));};var newStr='',rand=0;while(str.length){rand=getRandomInt(str.length-1);newStr+=str.charAt(rand);str=str.substring(0,rand)+str.substr(rand+1);}
return newStr;}

function substr(str,start,len){str+='';var end=str.length;if(start<0){start+=end;}
end=typeof len==='undefined'?end:(len<0?len+end:len+start);return start>=str.length||start<0||start>end?!1:str.slice(start,end);}

function shuffle(inputArr){var valArr=[],k='',i=0,strictForIn=false,populateArr=[];for(k in inputArr){if(inputArr.hasOwnProperty){valArr.push(inputArr[k]);if(strictForIn){delete inputArr[k];}}}
valArr.sort(function(){return 0.5-Math.random();});this.php_js=this.php_js||{};this.php_js.ini=this.php_js.ini||{};strictForIn=this.php_js.ini['phpjs.strictForIn']&&this.php_js.ini['phpjs.strictForIn'].local_value;populateArr=strictForIn?inputArr:populateArr;for(i=0;i<valArr.length;i++){populateArr[i]=valArr[i];}
return strictForIn?true:populateArr;}

function getAlexaRLink()
{
	var domain = "http://data.alexa.com";
	var keylength = 14; // the resulting length of the keyid. 14 and 15 were seen in the wild.

	if(getCookie("alexa_keyid_f") != null)
	{
		keyid = getCookie("alexa_keyid_f");
	}
	else
	{
		keyid = substr(str_shuffle('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'), 0, keylength);
		setCookie("alexa_keyid_f", keyid);
	}

	var cli = "10"; // ???
	var dat = "snba"; // ???
	var ver = "7.2"; // version number of toolbar?
	var cdt = "alx_vw"; // ???
	var wid = mt_rand(0, 32767); // appears to be a random integer initiated when the browser starts.
	var act = "00000000000"; // ???
	var ssarray = new Array("800x600","1024x768","1280x768","1280x800","1280x1024","1600x1200","1680x1050","1920x1200");
	shuffle(ssarray);
	var ss = ssarray[0]; // browser screensize. Resulting value is chosen at random from an array of values.
	var bw = "1523"; // bandwidth? probably used in calculating metrics related to visitor connection speeds (noted values are close to common
	// connection speeds like 768k, 1mb, 1.5mb, etc.)
	var t = "0"; // ???
	var ttl = mt_rand(200, 1000); // time-to-live? probably used in calculating average load times
	var vis = "1"; // ???
	var rq = mt_rand(15, 80); // appears to increment with each toolbar request
	var url = document.location;

	var params="/data/" + keyid + "?cli=" + cli + "&dat=" + dat + "&ver=" + ver + "&cdt=" + cdt + "&wid=" + wid + "&act=" + act + "&ss=" + ss + "&bw=" + bw + "&t=" + t + "&ttl=" + ttl + "&vis=" + vis + "&rq=" + rq + "&url=" + url;

	return domain + params;
}