function check_browser(){
var your_sys = '';
// OS
isMac  = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
isPC   = (navigator.appVersion.indexOf("Windows")!=-1) ? true : false;
isUnix = (navigator.appVersion.indexOf("Unix")!=-1) ? true : false;

// Browser
var ie4=document.all;
var ie5=document.getElementById&&document.all;
var ie6=document.getElementById&&document.all&&(navigator.appVersion.indexOf("MSIE 6.")!=-1);

var ns4=document.layers;
var ns6=document.getElementById&&!document.all;

/* OS
if (isMac)
{
your_sys.os = 'Mac';
}
if (isPC)
{
your_sys.os = 'PS';
}
if (isUnix)
{
your_sys.os = 'Unix';
}*/

// Browser
if (ns4)
{
your_sys = 'NS4';
}
if (ns6)
{
your_sys = 'NS6';
}
if (ie4 && !ie5 && !ie6)
{
your_sys = 'IE4';
}
if (ie5 && ie4 && !ie6)
{
your_sys = 'IE5';
}
if (ie6)
{
your_sys = 'IE6';
}
if (!ie4 && !ie5 && !ie6 && !ns4 && !ns6)
{
your_sys = 'unknown';
}

return your_sys;
}


function openwindow(url, name, options) {
    newwin=window.open(url,name,options);
    newwin.focus();
}

function windowWidth () {
  if (window.innerWidth) {
    return window.innerWidth;
  } else if (document.body && document.body.offsetWidth) {
    return document.body.offsetWidth;
  } else {
    return 0;
  }
}

function windowHeight () {
  if (window.innerHeight) {
    return window.innerHeight;
  } else if (document.body && document.body.offsetHeight) {
    return document.body.offsetHeight;
  } else {
    return 0;
  }
}

function calcSize () {
  if (iWidth != windowWidth() || iHeight != windowHeight()){
	iWidth = windowHeight();
	iHeight = windowHeight();
  	resize_window();
	//location.href = location.href;
	}
}

function initSite(){
    iWidth = windowHeight();
    iHeight = windowHeight();
    resize_window();
	initAdditionalSiteFunction();
}

function initAdditionalSiteFunction(){
    return true;
}

function MM_preloadImages() { //v3.0
  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 MM_swapImgRestore() { //v3.0
  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) { //v3.0
  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); return x;
}

function MM_swapImage() { //v3.0
  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_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}