function getWidth() {
	return window.innerWidth ? window.innerWidth : document.body.offsetWidth;
  }
  
function getWindowWidth() {

if (window.innerWidth) {
return window.innerWidth;
} else if (document.body && document.body.offsetWidth) {

document.getElementsByTagName("body")[0].style.setAttribute("width", "100%", "false");
return document.body.offsetWidth;
} else {
return 0;
}

}


	function googleMapsLayer (action, id) 
	{
					
		if(action == 'show')
		{
		
			var width = getWidth();
			var d = $('overlayGoogleMaps');
			d.style.display = "block";
			d.style.width = width;
			d.style.height = getWindowWidth();
			//d.style.height = window.innerHeight;
			d.style.position = "absolute";
			d.style.left = 0;
			d.style.top = 0;
			d.style.zIndex = 10000;
			d.style.backgroundColor = '#333333';
			d.style.opacity = 0.8;
		
			var gm = $('googleMap');
			
						
			var gF = $("gFrame");
			gF.src = "includes/php/ajax/googlemaps.php?id="+id;
			
		  var arrayPageScroll = document.viewport.getScrollOffsets();
        var lightboxTop = 0; // arrayPageScroll[1] +  (document.viewport.getHeight() / 10);

		  
			gm.style.display = "block"; 
			gm.style.zIndex = 30000;
			gm.style.left = ( width / 2 ) - 435;
			gm.style.top = lightboxTop;
			gm.style.position = "absolute";
			
			  //ausschalten scrolling
  html = document.getElementsByTagName("html")[0];   
  body = document.getElementsByTagName("body")[0];
  
  
  if(html)
  {
      html.style.overflow = "hidden";  
  }
  
  if(body)
  {
      body.style.overflow = "hidden";
  }
			
		
        
			
			// 870 x 500
		}
		else if(action == 'close')
		{
			var d = $('overlayGoogleMaps');
			d.style.display = "none";
			
			  //einschalten scrolling
   html = document.getElementsByTagName("html")[0];   
  body = document.getElementsByTagName("body")[0];
  
		  
			if(html)
			{
				html.style.overflow = "";  
			}
		  
			if(body)
			{
				body.style.overflow = "";
			}
						
			var gF = $("gFrame");
			gF.src = "about:blank";
			
			var gm = $('googleMap');
			gm.style.display = "none";
		}
		
		
	}