check_referer = function (seoReportUrl, client, pageValue, orderId)
{
    var trac = function ()
    {
        var referer    = document.referrer.toLowerCase();
        var lstReferer = ["www.google."];
        var cookieId   = null;
        var found      = false;
        var cookieName = "seo-report-id";


        for (var index in lstReferer)
        {
            var domain = lstReferer[index];

            if (referer.indexOf(domain) != -1)
            {
                found = true;
                cookieId = MD5(navigator.userAgent + (new Date()).getTime());
                createCookie(cookieName, cookieId, 24);
                //document.write("<img src=\""+seoReportUrl+"/keyword?client="+client+"&cookieId="+cookieId+"&referer="+encodeURIComponent(referer)+"\" width=\"1\" height=\"1\" />");
                callSeo(seoReportUrl+"/keyword?client="+client+"&cookieId="+cookieId+"&referer="+encodeURIComponent(referer));
                break;
            }
        }

        if (!found)
        {
            var refHost = referer;
            if (refHost.indexOf('http://') == 0)
                refHost = refHost.substr(7);
            else if (refHost.indexOf('https://') == 0)
                refHost = refHost.substr(8);

            if (refHost.indexOf(document.location.host) == -1)
            {
                cookieId = MD5(navigator.userAgent + (new Date()).getTime());
                createCookie(cookieName, cookieId, 24);
                //document.write("<img src=\""+seoReportUrl+"/referringsite?client="+client+"&cookieId="+cookieId+"&referer="+encodeURIComponent(referer)+"\" width=\"1\" height=\"1\" />");
                callSeo(seoReportUrl+"/referringsite?client="+client+"&cookieId="+cookieId+"&referer="+encodeURIComponent(referer));
            }
        }

        if (pageValue != 0)
        {
            cookieId = readCookie(cookieName);
            //if (cookieId != null){
            //document.write("<img src=\""+seoReportUrl+"/?client="+client+"&pageValue="+pageValue+"&cookieId="+cookieId+ "&orderId="+orderId +"\" width=\"1\" height=\"1\" />");
            callSeo(seoReportUrl+"/?client="+client+"&pageValue="+pageValue+"&cookieId="+cookieId+ "&orderId="+orderId);
            eraseCookie(cookieName);
        //}
        }
        else if (typeof orderId != "undefined" && orderId != null)
        {
            cookieId = readCookie(cookieName);
            if (cookieId != null){
                //document.write("<img src=\""+seoReportUrl+"/?client="+client+"&cookieId="+cookieId + "&orderId="+orderId +"\" width=\"1\" height=\"1\" />");
                callSeo(seoReportUrl+"/?client="+client+"&cookieId="+cookieId + "&orderId="+orderId);
            }
        }
    }

    var fn = window.onload;
    window.onload = function (){
        if (fn != null)
            fn();
        trac();
    }
}


function callSeo(url){
    var img = document.createElement("img");
    img.width = 1;
    img.height = 1;
    img.src=url;
    document.body.appendChild(img);
}
var MD5=function(string){
    function RotateLeft(lValue,iShiftBits){
        return(lValue<<iShiftBits)|(lValue>>>(32-iShiftBits));
    }
    function AddUnsigned(lX,lY){
        var lX4,lY4,lX8,lY8,lResult;
        lX8=(lX&0x80000000);
        lY8=(lY&0x80000000);
        lX4=(lX&0x40000000);
        lY4=(lY&0x40000000);
        lResult=(lX&0x3FFFFFFF)+(lY&0x3FFFFFFF);
        if(lX4&lY4){
            return(lResult^0x80000000^lX8^lY8);
        }
        if(lX4|lY4){
            if(lResult&0x40000000){
                return(lResult^0xC0000000^lX8^lY8);
            }else{
                return(lResult^0x40000000^lX8^lY8);
            }
        }else{
            return(lResult^lX8^lY8);
        }
    }
    function F(x,y,z){
        return(x&y)|((~x)&z);
    }
    function G(x,y,z){
        return(x&z)|(y&(~z));
    }
    function H(x,y,z){
        return(x^y^z);
    }
    function I(x,y,z){
        return(y^(x|(~z)));
    }
    function FF(a,b,c,d,x,s,ac){
        a=AddUnsigned(a,AddUnsigned(AddUnsigned(F(b,c,d),x),ac));
        return AddUnsigned(RotateLeft(a,s),b);
    };

    function GG(a,b,c,d,x,s,ac){
        a=AddUnsigned(a,AddUnsigned(AddUnsigned(G(b,c,d),x),ac));
        return AddUnsigned(RotateLeft(a,s),b);
    };

    function HH(a,b,c,d,x,s,ac){
        a=AddUnsigned(a,AddUnsigned(AddUnsigned(H(b,c,d),x),ac));
        return AddUnsigned(RotateLeft(a,s),b);
    };

    function II(a,b,c,d,x,s,ac){
        a=AddUnsigned(a,AddUnsigned(AddUnsigned(I(b,c,d),x),ac));
        return AddUnsigned(RotateLeft(a,s),b);
    };

    function ConvertToWordArray(string){
        var lWordCount;
        var lMessageLength=string.length;
        var lNumberOfWords_temp1=lMessageLength+8;
        var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1%64))/64;
        var lNumberOfWords=(lNumberOfWords_temp2+1)*16;
        var lWordArray=Array(lNumberOfWords-1);
        var lBytePosition=0;
        var lByteCount=0;
        while(lByteCount<lMessageLength){
            lWordCount=(lByteCount-(lByteCount%4))/4;
            lBytePosition=(lByteCount%4)*8;
            lWordArray[lWordCount]=(lWordArray[lWordCount]|(string.charCodeAt(lByteCount)<<lBytePosition));
            lByteCount++;
        }
        lWordCount=(lByteCount-(lByteCount%4))/4;
        lBytePosition=(lByteCount%4)*8;
        lWordArray[lWordCount]=lWordArray[lWordCount]|(0x80<<lBytePosition);
        lWordArray[lNumberOfWords-2]=lMessageLength<<3;
        lWordArray[lNumberOfWords-1]=lMessageLength>>>29;
        return lWordArray;
    };

    function WordToHex(lValue){
        var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
        for(lCount=0;lCount<=3;lCount++){
            lByte=(lValue>>>(lCount*8))&255;
            WordToHexValue_temp="0"+lByte.toString(16);
            WordToHexValue=WordToHexValue+WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
        }
        return WordToHexValue;
    };

    function Utf8Encode(string){
        string=string.replace(/\r\n/g,"\n");
        var utftext="";
        for(var n=0;n<string.length;n++){
            var c=string.charCodeAt(n);
            if(c<128){
                utftext+=String.fromCharCode(c);
            }else if((c>127)&&(c<2048)){
                utftext+=String.fromCharCode((c>>6)|192);
                utftext+=String.fromCharCode((c&63)|128);
            }else{
                utftext+=String.fromCharCode((c>>12)|224);
                utftext+=String.fromCharCode(((c>>6)&63)|128);
                utftext+=String.fromCharCode((c&63)|128);
            }
        }
        return utftext;
    };

    var x=Array();
    var k,AA,BB,CC,DD,a,b,c,d;
    var S11=7,S12=12,S13=17,S14=22;
    var S21=5,S22=9,S23=14,S24=20;
    var S31=4,S32=11,S33=16,S34=23;
    var S41=6,S42=10,S43=15,S44=21;
    string=Utf8Encode(string);
    x=ConvertToWordArray(string);
    a=0x67452301;
    b=0xEFCDAB89;
    c=0x98BADCFE;
    d=0x10325476;
    for(k=0;k<x.length;k+=16){
        AA=a;
        BB=b;
        CC=c;
        DD=d;
        a=FF(a,b,c,d,x[k+0],S11,0xD76AA478);
        d=FF(d,a,b,c,x[k+1],S12,0xE8C7B756);
        c=FF(c,d,a,b,x[k+2],S13,0x242070DB);
        b=FF(b,c,d,a,x[k+3],S14,0xC1BDCEEE);
        a=FF(a,b,c,d,x[k+4],S11,0xF57C0FAF);
        d=FF(d,a,b,c,x[k+5],S12,0x4787C62A);
        c=FF(c,d,a,b,x[k+6],S13,0xA8304613);
        b=FF(b,c,d,a,x[k+7],S14,0xFD469501);
        a=FF(a,b,c,d,x[k+8],S11,0x698098D8);
        d=FF(d,a,b,c,x[k+9],S12,0x8B44F7AF);
        c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
        b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
        a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
        d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
        c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
        b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
        a=GG(a,b,c,d,x[k+1],S21,0xF61E2562);
        d=GG(d,a,b,c,x[k+6],S22,0xC040B340);
        c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
        b=GG(b,c,d,a,x[k+0],S24,0xE9B6C7AA);
        a=GG(a,b,c,d,x[k+5],S21,0xD62F105D);
        d=GG(d,a,b,c,x[k+10],S22,0x2441453);
        c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
        b=GG(b,c,d,a,x[k+4],S24,0xE7D3FBC8);
        a=GG(a,b,c,d,x[k+9],S21,0x21E1CDE6);
        d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
        c=GG(c,d,a,b,x[k+3],S23,0xF4D50D87);
        b=GG(b,c,d,a,x[k+8],S24,0x455A14ED);
        a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
        d=GG(d,a,b,c,x[k+2],S22,0xFCEFA3F8);
        c=GG(c,d,a,b,x[k+7],S23,0x676F02D9);
        b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
        a=HH(a,b,c,d,x[k+5],S31,0xFFFA3942);
        d=HH(d,a,b,c,x[k+8],S32,0x8771F681);
        c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
        b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
        a=HH(a,b,c,d,x[k+1],S31,0xA4BEEA44);
        d=HH(d,a,b,c,x[k+4],S32,0x4BDECFA9);
        c=HH(c,d,a,b,x[k+7],S33,0xF6BB4B60);
        b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
        a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
        d=HH(d,a,b,c,x[k+0],S32,0xEAA127FA);
        c=HH(c,d,a,b,x[k+3],S33,0xD4EF3085);
        b=HH(b,c,d,a,x[k+6],S34,0x4881D05);
        a=HH(a,b,c,d,x[k+9],S31,0xD9D4D039);
        d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
        c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
        b=HH(b,c,d,a,x[k+2],S34,0xC4AC5665);
        a=II(a,b,c,d,x[k+0],S41,0xF4292244);
        d=II(d,a,b,c,x[k+7],S42,0x432AFF97);
        c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
        b=II(b,c,d,a,x[k+5],S44,0xFC93A039);
        a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
        d=II(d,a,b,c,x[k+3],S42,0x8F0CCC92);
        c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
        b=II(b,c,d,a,x[k+1],S44,0x85845DD1);
        a=II(a,b,c,d,x[k+8],S41,0x6FA87E4F);
        d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
        c=II(c,d,a,b,x[k+6],S43,0xA3014314);
        b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
        a=II(a,b,c,d,x[k+4],S41,0xF7537E82);
        d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
        c=II(c,d,a,b,x[k+2],S43,0x2AD7D2BB);
        b=II(b,c,d,a,x[k+9],S44,0xEB86D391);
        a=AddUnsigned(a,AA);
        b=AddUnsigned(b,BB);
        c=AddUnsigned(c,CC);
        d=AddUnsigned(d,DD);
    }
    var temp=WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
    return temp.toLowerCase();
}
function createCookie(name,value,hour){
    var expires="";
    if(hour){
        var date=new Date();
        date.setTime(date.getTime()+(hour*60*60*1000));
        expires=";expires="+date.toGMTString();
    }
    document.cookie=name+"="+value+expires+";path=/";
}
function readCookie(name){
    var nameEQ=name+"=";
    var ca=document.cookie.split(';');
    for(var i=0;i<ca.length;i++){
        var c=ca[i];
        while(c.charAt(0)==' ')c=c.substring(1,c.length);
        if(c.indexOf(nameEQ)==0)return c.substring(nameEQ.length,c.length);
    }
    return null;
}
function eraseCookie(name){
    createCookie(name,"",-1);
}