var showflag = 0;

function showFlag() {
	showflag = 1;
}

function hideFlag() {
	showflag = 0;
}

function hideSwitch() {
	if(!showflag) {
		MM_showHideLayers('sub1','','hide','sub2','','hide','sub3','','hide','sub4','','hide');
	}
}

function hideAll() {
	MM_showHideLayers('sub1','','hide','sub2','','hide','sub3','','hide','sub4','','hide');
}



function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}