var wid=0;
window.onresize = center;
function getwid(){
  var pagewid=null
  if(document.layers) pagewid=window.innerWidth
  if(document.all)  pagewid=document.body.clientWidth
  if (!document.all && document.getElementById)  pagewid=document.body.clientWidth
  return pagewid
}
function center(){
  wid = (getwid() - 792) / 2;
  if(wid < 0){ wid = 0; }
  if(document.layers){document.layers["center"].moveTo(wid,0);}

  if(document.all){document.all("center").style.pixelLeft=wid;}
  if (!document.all && document.getElementById)    {document.getElementById("center").style.left=wid;}
}
function hideMenu(tagName) {
   if (!!getObj(tagName))
   {
     getObj(tagName).zIndex = -1;
     getObj(tagName).visibility = 'hidden';
	hideParentDiv();

   }
}
function showMenu(tagName) {
   if (!!getObj(tagName))
   {
     getObj(tagName).zIndex = 1;
     getObj(tagName).visibility = 'visible';
	showParentDiv();
   }
}

function getObj(objName) {
	var obj = null;
  if (document.layers) {
    if (!!document.layers["center"].document.layers[objName])
    {
      obj = document.layers["center"].document.layers[objName];
    }
  }
  if (document.all) {
    if (!!document.all(objName))
    {
      obj = document.all(objName).style;
    }
  }
  if (!document.all && document.getElementById) {
    if(!!document.getElementById(objName))
    {
      obj = document.getElementById(objName).style;
    }
  }
  return obj;
}

function resize(e){
  location.reload();
}
function MM_swapImgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) {
  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_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_preloadImages() {
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function popupWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function hideParentDiv()
{
	if(!document.layers)
	{
		if (document.all) document.all("center").style.visibility="hidden";
		if (!document.all && document.getElementById) document.getElementById("center").style.visibility="hidden";

	}
}
function showParentDiv()
{
	if(!document.layers)
	{
		if (document.all) document.all("center").style.visibility="visible";
		if (!document.all && document.getElementById) document.getElementById("center").style.visibility="visible";
	}
}


function addLoadEvent(func) {
	if(typeof window.addEventListener == "function")
	{
		window.addEventListener("load", func, false);
	return true;
	}
	else if(typeof(window.attachEvent) == "object")
	{
		window.attachEvent("onload", func);
		return true;
	}

	var oldonload = window.onload;
	if (typeof window.onload != "function") {
		window.onload = func;
	}
	else
	{
		window.onload = function()
		{
			oldonload();
	 		func();
		}
	}
}

addLoadEvent(hideParentDiv);