//Contact phanvienld@gmail.com to get more information
var adsrc = '';
function ad_click () {
        var ad_target_url = '';
        ad_target_url = escape(window.status);
        adlogger_url_image = new Image();

        if(document.all) {
                adsrc = this.src;
        }

        adlogger_url_image.src = 'http://w4rum.com/adsense_img.asp?aduserid='+aduserid+'&targ=' + ad_target_url + '&disp=' + escape(document.location.href) + '&src=' + escape(adsrc);
}

if(typeof window.addEventListener != 'undefined') {
        window.addEventListener('load', adsense_init, false);
} else if(typeof document.addEventListener != 'undefined') {
        document.addEventListener('load', adsense_init, false);
} else if(typeof window.attachEvent != 'undefined') {
        window.attachEvent('onload', adsense_init);
} else {
        if(typeof window.onload == 'function') {
                var existing = onload;
                window.onload = function(){
                        existing();
                        adsense_init();
                };
        } else {
                window.onload = adsense_init;
        }
}

function adsense_init () {
        if (document.all) {
                var el = document.getElementsByTagName("iframe");
                for(var i = 0; i < el.length; i++) {
                        if(el[i].src.indexOf('googlesyndication.com') > -1) {
                                el[i].onfocus = ad_click;
                        } else if(el[i].src.indexOf('overture.com') > -1) {
                                el[i].onfocus = ad_click;
                        }
                }
        } else {
                window.onunload = doPageExit;
                window.addEventListener('mousemove', getMouse, true);
        }
}

var px;
var py;

function getMouse(e) {
        px=e.pageX;
        py=e.clientY;
}

function findY(obj) {
        var y = 0;
        while (obj) {
                y += obj.offsetTop; obj = obj.offsetParent;
        }
        return(y);
}

function findX(obj) {
        var x = 0;
        while (obj) {
                x += obj.offsetLeft;
                obj = obj.offsetParent;
        }
        return(x);
}

function doPageExit(e) {
        ad = document.getElementsByTagName("iframe");
        for (i=0; i<ad.length; i++) {
                var adLeft = findX(ad[i]);
                var adTop = findY(ad[i]);
                var inFrameX = (px > (adLeft - 10) && px < (parseInt(adLeft) + parseInt(ad[i].width) + 15));
                var inFrameY = (py > (adTop - 10) && py < (parseInt(adTop) + parseInt(ad[i].height) + 10));
                if (inFrameY && inFrameX) {
                        adsrc = ad[i].src;
                        ad_click();
                }
        }
}