var windowWidth= 0;
var windowHeight= 0;
var pageScrollLeft= 0;
var pageScrollTop= 0;
var imageWidth= 65;
var imageHeight= 30;
var rightSpacer= 10;
var bottomSpacer= 10;

function waterMark(){
  if (navigator.appVersion.indexOf("Mac") == -1){
    oldWindowWidth= windowWidth;
    oldWindowHeight= windowHeight;
    oldPageScrollLeft= pageScrollLeft;
    oldPageScrollTop= pageScrollTop;
    windowWidth = docjslib_getWindowWidth();
    windowHeight = docjslib_getWindowHeight();
    pageScrollLeft = docjslib_getPageScrollLeft();
    pageScrollTop = docjslib_getPageScrollTop();
    if ((windowHeight != oldWindowHeight)||(windowWidth != 
      oldWindowWidth)||(pageScrollLeft != oldPageScrollLeft)||
      (pageScrollTop != oldPageScrollTop)){

      docjslib_setPosFromTop("docjslib", windowHeight + pageScrollTop - 
                            (imageHeight + bottomSpacer));
      docjslib_setPosFromLeft("docjslib", windowWidth + pageScrollLeft - 
                            (imageWidth + rightSpacer));
      var topZ = docjslib_findHighestZ();
      docjslib_setZposition("docjslib", topZ);
    }
  }
}
docjslib_makeLinkedImage("docjslib",             // id
              "../images/trucost.gif",                    // image URL
              "../trucos.htm",  // link URL
              30,                                // height
              65,                               // width
              "Ir a Trucos",  // alternative
              1000,                                 // position from left
              1000,                                 // position from top
              true,                              // visibility
              0);                             // z index
             
docjslib_doThisCommandEveryIntervalMS("waterMark()", 100);