function moveit(layer_name, distance)
{
	var layer=document.getElementById(layer_name);
	layer.style.top = distance;
}

function changeit(image_name, state)
{
	var image=document.getElementById(image_name);
	if (state) {
		state = '_'+state;
	} else {
		state = '';
	}
	image.src = '/sg/images/buttons/'+image_name+state+'.gif';
}

function submitform(myform) {
	document.forms[myform].submit();
}

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_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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; }
}

// functionality will break if there are more than 50 Book Layers on the page
function MM_showHideAllLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideAllLayers.arguments;
  for (i=0; i<(50); i++) if ((obj=MM_findObj('BookLayer'+[i]))!=null) {
    obj.style.visibility='hidden'; 
	}
}


function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

var alertTimerId = 0;
function hideInXSeconds(layer) { 
	clearTimeout ( alertTimerId );
	alertTimerId = setTimeout("MM_showHideAllLayers()",5000);
}



//blueAmazonId = "zoometry-20";