//
		// gl_get_random
		// global get random number 
		// expects 'range' (int or string)
		// range default is 100
		// returns 1 to XX (range)
		// NB: will not return 0 ever (if required change Math.ceil to Math.floor)
		//		
		function gl_get_random(range)
		{
			range = parseInt(range);
			if (isNaN(range)){range = 100;}
		    return (Math.ceil(Math.random()*range));
		}
		
		//
		// writeThemeCSS
		// will write theme to browser
		// put link to CSS file here
		// NB: currently used just to change the header image
		//		
		function writeThemeCSS() 
		{
			document.writeln("<sty"+"le>#divHeader {background-image:url(/i/teapot/pot_"+gl_get_random(19)+".jpg);}</sty"+"le>")		
		}

		function loadGoogleAdds(){
			if (!document.getElementById || !document.getElementById("divGoogleAdds")){return};
		  	var div = document.getElementById("divGoogleAdds");
			var iframe 			= document.createElement("IFRAME");
			iframe.id 			= "iframeGoogleAdds";
			iframe.scrolling	= "no";
			iframe.frameBorder	= "0";
			iframe.height		= "620";
			iframe.width		= "166";
			iframe.src			= "/en/google_ads.html";
			div.appendChild(iframe);
		//	document.getElementById("iframeGoogleAdds").src	= "/en/google_ads.html";
		  }
		  
		  _onload.add('loadGoogleAdds()');