function getInternetExplorerVersion() {    
var rv = -1;  
if (navigator.appName == 'Microsoft Internet Explorer') {  var ua = navigator.userAgent;
   var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");        
if (re.exec(ua) != null)            
rv = parseFloat(RegExp.$1);    
}    
return rv;
}

function isIE8(){
  var ver = getInternetExplorerVersion();
  if (ver > -1){
    if (ver >= 8.0)
	  return true;
  }
return false;
}

function FormatMoz(){
  if(navigator.userAgent.indexOf("Firefox") > 0 || isIE8()){
    document.getElementById('centercontent').style.position = 'absolute';
    document.getElementById('centercontent').style.top = '160px';
    if (document.getElementById('contentbox1')){
      document.getElementById('contentbox1').style.height = '50%';
      document.getElementById('contentbox2').style.height = '50%';
    }
    document.getElementById('centercontent').style.marginLeft = '220px';
    //document.getElementById('centercontent').style.marginRight = '250px';
    document.getElementById('topmenu').style.zIndex= 300;
    document.getElementById('centercontent').style.zIndex= 1;
    document.getElementById('pagefooter').style.position = 'absolute';
	var pagefootertop = 1000;
    centercontheight = parseInt(document.getElementById('centercontent').style.top) + parseInt(document.getElementById('centercontent').offsetHeight);
	var leftcontheight = 0;
	if (isIE8())
		leftcontheight = parseInt(leftcontent.offsetTop) + parseInt(leftcontent.offsetHeight);
	if (centercontheight > leftcontheight)
		pagefootertop = centercontheight;
	else
		pagefootertop = leftcontheight;
	document.getElementById('pagefooter').style.top = String(pagefootertop) + 'px';
    document.getElementById('pagefooter').style.width = '100%';
  }

}

var OpenMenu = '';
var timHandle = '';

function ShowMenu(o){
  HideMenuNow();
  obj = 'mnu' + o.substring(3);
  if(document.getElementById(obj)){
    document.getElementById(obj).style.visibility = 'visible';
    OpenMenu = obj;
  } else {
    if(document.all[obj]){
      document.all[obj].style.visibility = 'visible';
      OpenMenu = obj;
    }
  }
}
function HideMenuNow(){
  if(document.getElementById(OpenMenu)){
    document.getElementById(OpenMenu).style.visibility = 'hidden';
    clearTimeout(timHandle);
  } else {
    if(OpenMenu!=''){
      document.all[OpenMenu].style.visibility = 'hidden';
      clearTimeout(timHandle);
    }
  }
}
function HideMenu(){
  timHandle = setTimeout('HideMenuNow()', 300);
}