Extending the Hyperlink control to use JavaScript to create a popup

function Showpopup(PagePath,target, height, width, menubar, locationbar, resizable, scrollbars, status, titlebar, toolbar, fullscreen) {
    var currentIndex = 0;

   
    var ProbsArray = new Array();

    if (height != "") { ProbsArray[currentIndex] = "height=" + height; currentIndex++; }
    if (width != "") { ProbsArray[currentIndex] = "width=" + width; currentIndex++; }
    if (menubar != "") { ProbsArray[currentIndex] = "menubar=" + menubar; currentIndex++; }
    if (locationbar != "") { ProbsArray[currentIndex] = "location=" + locationbar; currentIndex++; }
    if (resizable != "") { ProbsArray[currentIndex] = "resizable=" + resizable; currentIndex++; }
    if (scrollbars != "") { ProbsArray[currentIndex] = "scrollbars=" + scrollbars; currentIndex++; }
    if (status != "") { ProbsArray[currentIndex] = "status=" + status; currentIndex++; }
    if (titlebar != "") { ProbsArray[currentIndex] = "titlebar=" + titlebar; currentIndex++; }
    if (toolbar != "") { ProbsArray[currentIndex] = "toolbar=" + toolbar; currentIndex++; }
    if (fullscreen != "") { ProbsArray[currentIndex] = "fullscreen=" + fullscreen; currentIndex++; }
    
    
    var top = parseInt((screen.availHeight / 2) - (height / 2));
    if (width != "") 
    {
        var left = parseInt((screen.availWidth / 2) - (width / 2));
        ProbsArray[currentIndex] = "left=" + left;
        currentIndex++;
        ProbsArray[currentIndex] = "screenX=" + left;
        currentIndex++; 
    }
    if (height != "") 
    {
        ProbsArray[currentIndex] = "top=" + top; currentIndex++;
        ProbsArray[currentIndex] = "screenY=" + top; currentIndex++;
    }

    window.open(PagePath, target, ProbsArray.join(","));
}