_exitpop.js

    function addLoadEvent(func) {
             var oldonload = window.onload;
             if (typeof window.onload != 'function') {
                        window.onload = func; } else {
                        window.onload = function() {
                                if (oldonload) { oldonload();
                                }   func();
                        }
                        }
    }

    function addClickEvent(a,i,func) {
                if (typeof a[i].onclick != 'function') {
                           a[i].onclick = func;
                }
    }

    var theDiv = '<div id="ExitSplashDiv"  style="display:block; width:100%; height:100%; position:absolute; background:#FFFFFF; margin-top:0px; margin-left:0px;" align="center">';

    theDiv = theDiv + '<iframe src="'+exitsplashpage+'" width="100%" height="100%" align="middle" frameborder="0"></iframe>';

    theDiv = theDiv + '</div>';

    theBody = document.body;
        if (!theBody) {
            theBody = document.getElementById("body");

        if (!theBody) {
                theBody = document.getElementsByTagName("body")[0];
        }
        }

        var NoPopUp = false;

            function DisplayExitSplash(){
                if(NoPopUp == false) {
                    window.scrollTo(0,0);
                    NoPopUp=true; divtag = document.createElement("div");
                    divtag.setAttribute("id","ExitSplashMainOuterLayer");
                    divtag.style.position="absolute"; divtag.style.width="100%";
                    divtag.style.height="100%"; divtag.style.zIndex="99";
                    divtag.style.left="0px"; divtag.style.top="0px";
                    divtag.innerHTML=theDiv;
                    theBody.innerHTML="";
                    theBody.topMargin="0px";
                    theBody.rightMargin="0px";
                    theBody.bottomMargin="0px";
                    theBody.leftMargin="0px";
                    theBody.style.overflow="hidden";
                    theBody.appendChild(divtag);
                    return exitsplashmessage;
                }
            }

        var a = document.getElementsByTagName('A');

            for (var i = 0; i < a.length; i++) {
                    if(a[i].target !== 'test') {addClickEvent(a,i,

                    function(){ NoPopUp=true; });

                    }
                        else {
                                addClickEvent(a,i,
                    function(){ NoPopUp=false; });
                        }
            }

        disablelinksfunc = function(){var a = document.getElementsByTagName('A');
                                 for (var i = 0; i < a.length; i++) {
                                    if(a[i].target !== '_blank') {addClickEvent(a,i, function(){ NoPopUp=true; });
                        }
                            else{addClickEvent(a,i, function(){ NoPopUp=false;});}}}

                addLoadEvent(disablelinksfunc);

                disableformsfunc = function(){ var f = document.getElementsByTagName('FORM');
                        for (var i=0;i<f.length;i++){
                            if (!f[i].onclick){ f[i].onclick=function(){ NoPopUp=true; }
                        }
                            else if (!f[i].onsubmit){ f[i].onsubmit=function(){ NoPopUp=true; }}}}

                addLoadEvent(disableformsfunc);

                window.onbeforeunload = DisplayExitSplash;