var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers

function showmenu(e){
	if (!document.all&&!document.getElementById&&!document.layers)
	return

	clearhidemenu()

	menuobj=ie4? document.all.OilAnalysis : ns6? document.getElementById("OilAnalysis") : ns4? document.OilAnalysis : ""
	menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj

	eventX=ie4? event.clientX : ns6? e.clientX : e.x
	eventY=ie4? event.clientY : ns6? e.clientY : e.y
		menuobj.thestyle.visibility="visible"
  return false
}

function hidemenu(){
	if (window.menuobj)
		menuobj.thestyle.visibility=(ie4||ns6)? "hidden" : "hide"
}

function delayhidemenu(){
	if (ie4||ns6||ns4)
		delayhide=setTimeout("hidemenu()",500)
}

function clearhidemenu(){
	if (window.delayhide)
		clearTimeout(delayhide)
}

if (ie4||ns6)
document.onclick=hidemenu


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) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  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; }
}