var OnLoadGrafic = {

  init: function(){},

  showGrafic: function() {
    jQuery('.general-ajax-loader').css({
        top:  OnLoadGrafic.getPageScroll()[1] + (OnLoadGrafic.getPageHeight() / 4),
        left: OnLoadGrafic.getPageWidth()/2
      }).show();
  },
  
  hideGrafic: function() {
    jQuery('.general-ajax-loader').hide();
  },
  
  // getPageScroll() by quirksmode.com
  getPageScroll: function() {
    var xScroll, yScroll;
    if (self.pageYOffset) {
      yScroll = self.pageYOffset;
      xScroll = self.pageXOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {   // Explorer 6 Strict
      yScroll = document.documentElement.scrollTop;
      xScroll = document.documentElement.scrollLeft;
    } else if (document.body) {// all other Explorers
      yScroll = document.body.scrollTop;
      xScroll = document.body.scrollLeft;
    }
    return new Array(xScroll,yScroll);
  },

  // Adapted from getPageSize() by quirksmode.com
  getPageHeight: function() {
    var windowHeight;
    if (self.innerHeight) { // all except Explorer
      windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
      windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
      windowHeight = document.body.clientHeight;
    }
    return windowHeight;
  },
  
  getPageWidth: function() {
	 if (window.innerWidth) {
	    return window.innerWidth;
	  } else if (document.body && document.body.offsetWidth) {
	    return document.body.offsetWidth;
	  } else {
	    return 600;
	  }
  }
};