<!--
var screen_resolution;
var screen_resolution_inner_browser;
var screen_resolution_inner_browser_width;
var screen_resolution_inner_browser_height;

//detects window inner resolution in Both IE & Netscape - Based on idea from John Collins & Thomas Boutell
function findDims() {
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    screen_resolution_inner_browser = window.innerWidth + 'x' + window.innerHeight + 'x' + screen.colorDepth;
    screen_resolution_inner_browser_width = window.innerWidth;
    screen_resolution_inner_browser_height = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    screen_resolution_inner_browser = document.documentElement.clientWidth + 'x' + document.documentElement.clientHeight + 'x' + screen.colorDepth;
    screen_resolution_inner_browser_width = document.documentElement.clientWidth;
    screen_resolution_inner_browser_height = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    screen_resolution_inner_browser = document.body.clientWidth + 'x' + document.body.clientHeight + 'x' + screen.colorDepth;
    screen_resolution_inner_browser_width = document.body.clientWidth;
    screen_resolution_inner_browser_height = document.body.clientHeight;
  }

  screen_resolution = screen.width + 'x' + screen.height + 'x' + screen.colorDepth;
  //alert ('Inner Width: ' + screen_resolution_inner_browser_width + ' Inner Height: ' + screen_resolution_inner_browser_height + ' Screen Res: ' + screen_resolution);
}

findDims();
//DEBUG
//window.status = screen_resolution + ' ' + screen_resolution_inner_browser;

function showDivElement(element) {
  element.style.zIndex=100;
  element.style.visibility='visible';
  element.style.display='block';
}

function hideDivElement(element) {
  element.style.zIndex=1;
  element.style.visibility='hidden';
  element.style.display='none';
}

//Center a div with an optional offset
function center_div(element, x_offset) {
  x_offset = x_offset + 0;
  //DEBUG
  //alert ('Inner Width: ' + screen_resolution_inner_browser_width + ' | Inner Height: ' + screen_resolution_inner_browser_height + ' | Screen Res: ' + screen_resolution + ' | Element Width: ' + element.style.width + ' | Element Height: ' + element.style.height);

  element.style.left = ((screen_resolution_inner_browser_width - parseInt(element.style.width) + x_offset) / 2) + 'px';
  element.style.top = ((screen_resolution_inner_browser_height - parseInt(element.style.height)) / 2) + 'px';
}

//Center horizontally a div with an optional offset
function hcenter_div(element, x_offset) {
  x_offset = x_offset + 0;
  //DEBUG
  //alert ('Inner Width: ' + screen_resolution_inner_browser_width + ' | Inner Height: ' + screen_resolution_inner_browser_height + ' | Screen Res: ' + screen_resolution + ' | Element Width: ' + element.style.width + ' | Element Height: ' + element.style.height);

  element.style.left = ((screen_resolution_inner_browser_width - parseInt(element.style.width) + x_offset) / 2) + 'px';
  //element.style.top = ((screen_resolution_inner_browser_height - parseInt(element.style.height)) / 2) + 'px';
}


function showInterstitial() {
  var e = document.getElementById('interstitial'); 
  var offset = 0;
  hcenter_div(e, offset); 
  showDivElement(e);
} 

function hideInterstitial() {
  var e = document.getElementById('interstitial'); 
  hideDivElement(e);
} 

//-->