function popupEmailFriend() {

    var sizeatt = getPageSize();
    var scrollatt = getPageScroll();
    var fullHeight = "";

    overlayObj = document.getElementById("overlay");
    overlayBoxObj = document.getElementById("overlayContainer");

    overlayObj.style.display = "block";
    fullHeight = sizeatt[1];

    overlayObj.style.height = fullHeight + "px";
    overlayBoxObj.style.display = "block";
    overlayBoxObj.style.top = scrollatt[1] + 100 + "px";
}

function removePopup() {
    overlayObj = document.getElementById("overlay");
    overlayBoxObj = document.getElementById("overlayContainer");

    overlayObj.style.display = "none";
    overlayBoxObj.style.display = "none";
}
function getPageScroll() {
    var yScroll;
    if (self.pageYOffset) {
        yScroll = self.pageYOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {
        yScroll = document.documentElement.scrollTop;
    } else if (document.body) {
        yScroll = document.body.scrollTop;
    }

    arrayPageScroll = new Array('', yScroll)
    return arrayPageScroll;
}

function getPageSize() {
    var xScroll, yScroll;

    if (window.innerHeight && window.scrollMaxY) {
        xScroll = document.body.scrollWidth;
        yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight) {
        xScroll = document.body.scrollWidth;
        yScroll = document.body.scrollHeight;
    } else {
        xScroll = document.body.offsetWidth;
        yScroll = document.body.offsetHeight;
    }

    var windowWidth, windowHeight;
    if (self.innerHeight) {
        windowWidth = self.innerWidth;
        windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) {
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
    } else if (document.body) {
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
    }

    if (yScroll < windowHeight) {
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }
    if (navigator.appName.indexOf("Opera") != -1) {
        pageHeight = parseInt(document.getElementsByClassName("headerWrapper")[0].offsetHeight) +
				parseInt(document.getElementsByClassName("contentOuter")[0].offsetHeight)
    }

    if (xScroll < windowWidth) {
        pageWidth = windowWidth;
    } else {
        pageWidth = xScroll;
    }

    arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight)
    return arrayPageSize;
}
jQuery(function ($) {
    $('a.showPopupPoll').click(function () {
        popupEmailFriend();
        return false;
    });
    $('a.btnClose').click(function () {
        removePopup();
        return false;
    });
});