var n = 7;
var f = false;
var b = new Array;
function prel(){
	if(document.images) {
		for(i=1;i<=n;i++)
			{str = 'buttons/b' + i + '_o.gif';
			b[i-1] = new Image();
			b[i-1].src = str;
			}
		f = true;
	}
}
function on(im){
	if (document.images && (f == true)) 
		{document.images[im].src="buttons/"+im+"_o.gif";}				
}
function off(im){
	if (document.images && (f == true))
		{document.images[im].src = "buttons/"+im+".gif";}
}

//var pvwnd;
function show_privacy_policy()
{
  w = 400; h =450;
  t = (screen.height-h-30)/2;
  l = (screen.width-w-30)/2;
//  if (pvwnd) {
//	pvwnd.Close();
//  }
  pvwnd = window.open('privacy_policy.html', 'PrivacyPolicy', "top="+t+",left="+l+",width="+w+",height="+h+",resizable=1,scrolbars=1");
  pvwnd.focus();
  return false;
}