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) 
	{
	   //alert("dd="+args[i]);
	   //alert("ll="+document.getElementById(args[i]));
	  if ((obj=document.getElementById(args[i]))!=null) 
	  { v=args[i+2];
         // alert(obj.i)
        if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
        obj.visibility=v; 
	  }
	}
	//alert(obj.style);
	}

function layervib(itemnum,type,num,layerstr){
var H=type;
var temp=(H='visible'?'hidden':'visible')
	
	for(var xi=0;xi<itemnum;xi++){
	var E=eval('document.all.'+layerstr+xi+'.style');
	var H=eval(xi);
	if(xi==num){
		E.visibility=type;
		HideOverSels(layerstr+num)
	}else{
			E.visibility=temp
	}
	}

if (num=='yw')
	{
	showOverSels();
	}
}

function HideOverSels(objID)
{
    var sels = document.getElementsByTagName('select'); 
    for (var i = 0; i < sels.length; i++) 
      if (Obj1OverObj2(document.all[objID], sels[i]))
        sels[i].style.visibility = 'hidden'; 
	  else
        sels[i].style.visibility = 'visible'; 
}

function showOverSels()
{
    var sels = document.getElementsByTagName('select'); 
    for (var i = 0; i < sels.length; i++) 
        sels[i].style.visibility = 'visible'; 
}

function Obj1OverObj2(obj1, obj2)
{
  var pos1 = getPosition(obj1) 
  var pos2 = getPosition(obj2) 
  var result = true; 
  var obj1Left = pos1.left - window.document.body.scrollLeft; 
  var obj1Top = pos1.top - window.document.body.scrollTop; 
  var obj1Right = obj1Left + obj1.offsetWidth; 
  var obj1Bottom = obj1Top + obj1.offsetHeight;
  var obj2Left = pos2.left - window.document.body.scrollLeft; 
  var obj2Top = pos2.top - window.document.body.scrollTop; 
  var obj2Right = obj2Left + obj2.offsetWidth; 
  var obj2Bottom = obj2Top + obj2.offsetHeight;
  
  if (obj1Right <= obj2Left || obj1Bottom <= obj2Top || 
      obj1Left >= obj2Right || obj1Top >= obj2Bottom) 
    result = false; 
  return result; 
}

function getPosition(Obj) 
{
	for (var sumTop=0,sumLeft=0;Obj!=window.document.body;sumTop+=Obj.offsetTop,sumLeft+=Obj.offsetLeft, Obj=Obj.offsetParent);
	return {left:sumLeft,top:sumTop}
}