function launchPopupWin(anchor_obj,width,height) {
    var new_win = window.open(anchor_obj.href,'popup','resizable=yes,scrollbars=yes,width='+width+',height='+height+',left='+String((screen.width-width)/2)+',top='+ String((screen.height-height)/2));
    if (new_win) {
        new_win .focus();
        return false;
    } else {
        return true;
    }	 
}

function launchPopupWinNoResize(anchor_obj,width,height) {
    var new_win = window.open(anchor_obj.href,'popup','resizable=yes,scrollbars=yes,width='+width+',height='+height+',left='+String((screen.width-width)/2)+',top='+ String((screen.height-height)/2));
    if (new_win) {
        new_win .focus();
        return false;
    } else {
        return true;
    }	 
}

// Usage: <a onClick="return launchPopupWin(this,500,500);" href="http://google.com.au/" target="_blank" >View</a>