/*

EGFR Mutation additional JS functions

*/

var pageTracker;
var _gaq = _gaq || [];
var timesCalled = 0;
function setPageTracker() {

    if (timesCalled > 5) {
        //quit, too many retries
        return;
    }
    try {
        // Cutomer asked to use the asyncrhonous method which is the latest.
        //		pageTracker = _gat._getTracker("UA-10573087-2");
        //		pageTracker._trackPageview();
        //		pageTracker._setVar("gateway");
        _gaq.push(['_setAccount', 'UA-10573087-2']);
        _gaq.push(['_trackPageview']);
    } catch (err) {
        //perhaps it isn't loaded yet. wait a second and try again
        timesCalled += 1;
        setPageTracker.delay(1);

    }
}

function addLandingPageTrackingCode() {
    var landingPage = $('landing_page_overlay');
    if (landingPage) {

        //add the google tracking code to the landing page overlay - it is included on every other page anyway
        var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
        if (document.createElement) {
            var elScript = document.createElement('script');
            if (elScript) {
                elScript.src = gaJsHost + 'google-analytics.com/ga.js';
                elScript.type = 'text/javascript';
                elScript.async = 'true';
                //get a handle to this script file
                var elHead = document.getElementsByTagName('head');
                if (elHead) {
                    //get script
                    var elExistingScript = document.getElementsByTagName('script');
                    if (elExistingScript) {
                        //add into head before previous element
                        elHead[0].insertBefore(elScript, elExistingScript[0]);
                    }
                }
            }
        }
        //add a specific variable to identify the landing page
        setPageTracker();
        //now, try to track the two anchors on the landing page as requested
        if ($$('a[href="http://egfr-info.co.uk"]').size() > 0) {
            $$('a[href="http://egfr-info.co.uk/"]')[0].observe('click', function(event) {
                if (!Object.isUndefined(pageTracker)) {
                    pageTracker._trackEvent('extnerallinks', 'click', 'EGFR-info UK website');
                }
            });
        }
        if ($$('a[href="http://www.astrazeneca-us.com"]').size() > 0) {
            $$('a[href="http://www.astrazeneca-us.com"]')[0].observe('click', function(el) {
                if (!Object.isUndefined(pageTracker)) {
                    pageTracker._trackEvent('extnerallinks', 'click', 'AstraZeneca US website');
                }
            });
        }

        if ($$('a[href="http://www.Lungenkrebs.de"]').size() > 0) {
            $$('a[href="http://www.Lungenkrebs.de"]')[0].observe('click', function(el) {
                if (!Object.isUndefined(pageTracker)) {
                    pageTracker._trackEvent('extnerallinks', 'click', 'Lungenkrebs DE website');
                }
            });
        }

        if ($$('a[href="http://www.patienthealthinternational.com"]').size() > 0) {
            $$('a[href="http://www.patienthealthinternational.com"]')[0].observe('click', function(el) {
                if (!Object.isUndefined(pageTracker)) {
                    pageTracker._trackEvent('extnerallinks', 'click', 'Patienthealthinternational website');
                }
            });
        }

        if ($$('a[href="http://www.astrazeneca.com/media"]').size() > 0) {
            $$('a[href="http://www.astrazeneca.com/media"]')[0].observe('click', function(el) {
                if (!Object.isUndefined(pageTracker)) {
                    pageTracker._trackEvent('extnerallinks', 'click', 'AstraZeneca Press Office website');
                }
            });
        }


    }
}

function images_toggle(id,imageid,offset){

	var image = document.getElementById(id);
	var image_div = document.getElementById(imageid);

	if (image.style.display=="none"){
		image.style.display="block";
		image.style.visibilty="visible";		
		image.style.top = (document.documentElement.scrollTop + 20) + "px";
		image.style.left = (image_div.offsetLeft - offset - 286) + "px";
	}
	else
	{
		image.style.display="none";
		image.style.visibilty="hidden";
	}
}

function home_images_toggle(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + -130) + "px";
        image.style.left = (image_div.offsetLeft - offset - 662) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}


function home_images_toggle_wclc(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + -230) + "px";
        image.style.left = (image_div.offsetLeft - offset - 362) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function link_toggle(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + 20) + "px";
        image.style.left = (image_div.offsetLeft - offset - 430) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function home_link_toggle(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + -635) + "px";
        image.style.left = (image_div.offsetLeft - offset - 640) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function home_link_toggle2(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + -660) + "px";
        image.style.left = (image_div.offsetLeft - offset - 640) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function flash_link_toggle(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + -740) + "px";
        image.style.left = (image_div.offsetLeft - offset - 270) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function eo_link_toggle1(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + 100) + "px";
        image.style.left = (image_div.offsetLeft - offset - 258) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function eo_link_toggle2(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + 20) + "px";
        image.style.left = (image_div.offsetLeft - offset - 258) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function eo_link_toggle2(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + 20) + "px";
        image.style.left = (image_div.offsetLeft - offset - 258) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function flash_link_toggle13(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + 20) + "px";
        image.style.left = (image_div.offsetLeft - offset - 285) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function flash_link_toggle14(id, imageid, offset) {

    var image = document.getElementById(id);
    var image_div = document.getElementById(imageid);

    if (image.style.display == "none") {
        image.style.display = "block";
        image.style.visibilty = "visible";
        image.style.top = (document.documentElement.scrollTop + 20) + "px";
    }
    else {
        image.style.display = "none";
        image.style.visibilty = "hidden";
    }
}

function privacyPopup(){
	if(!!$('privacy-popup')){
	$$('a#open-popup')[0].observe('click',function(e){
			if(!e.stop)e.stopped;
			$$('div#privacy-popup')[0].style.display="block";
	});
	$$('a#close-popup')[0].observe('click',function(e){
			if(!e.stop)e.stopped;
			$$('div#privacy-popup')[0].style.display="none";
	});
	}
}


var toCall = new Array();
toCall[0]=privacyPopup;
toCall[1] = addLandingPageTrackingCode;
toCall[2] = home_images_toggle;
toCall[3] = images_toggle;
toCall[4] = link_toggle;
toCall[5] = home_link_toggle;
toCall[6] = home_link_toggle2;
toCall[7] = flash_link_toggle;
toCall[8] = eo_link_toggle1;
toCall[9] = eo_link_toggle2;
toCall[10] = flash_link_toggle13;
toCall[11] = flash_link_toggle14;