function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 ;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return ""
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : "; expires="+exdate.toGMTString());
}

function HideSubMenus()
{

var HideSM = setTimeout("document.getElementById('SubMenu1').style.visibility='hidden'",250);
  
  document.getElementById("SubMenu2").style.visibility = "hidden";
  document.getElementById("SubMenu3").style.visibility = "hidden";
  document.getElementById("SubMenu4").style.visibility = "hidden";

  setCookie('HideSM',HideSM,null);
    
}

function SubMenu1()
{

var HideSM=getCookie('HideSM');
 
if (HideSM!=null)
  {
  clearTimeout(HideSM);
  setCookie('HideSM',null,null);
  }
 
document.getElementById("SubMenu1").style.visibility = "visible";
	

}

function HideSubMenu1()
{

var obj1 = window.document.getElementById("SubMenu1");

	obj1.style.visibility = "hidden" ;

}

function SubMenu2()
{

var HideSM=getCookie('HideSM');
 
if (HideSM!=null)
  {
  clearTimeout(HideSM);
  setCookie('HideSM',null,null);
  }
   
	document.getElementById("SubMenu1").style.visibility = "visible" ; 
	document.getElementById("SubMenu2").style.visibility = "visible" ;
	document.getElementById("SubMenu3").style.visibility = "hidden";
    document.getElementById("SubMenu4").style.visibility = "hidden";

}

function HideSubMenu2()
{

	
  var HideSM = setTimeout("document.getElementById('SubMenu1').style.visibility='hidden'",250);
  setCookie('HideSM',HideSM,null);
  document.getElementById("SubMenu2").style.visibility = "hidden";
}

function SubMenu3()
{

var HideSM=getCookie('HideSM');
 
if (HideSM!=null)
  {
  clearTimeout(HideSM);
  setCookie('HideSM',null,null);
  }

	document.getElementById("SubMenu1").style.visibility = "visible";
	document.getElementById("SubMenu3").style.visibility = "visible";
	document.getElementById("SubMenu2").style.visibility = "hidden";
    document.getElementById("SubMenu4").style.visibility = "hidden";
  	
}

function HideSubMenu3()
{

 var HideSM = setTimeout("document.getElementById('SubMenu1').style.visibility='hidden'",250);
  setCookie('HideSM',HideSM,null);
document.getElementById("SubMenu3").style.visibility = "hidden";


}

function SubMenu4()
{

var HideSM=getCookie('HideSM');
 
if (HideSM!=null)
  {
  clearTimeout(HideSM);
  setCookie('HideSM',null,null);
  }
  
	document.getElementById("SubMenu1").style.visibility = "visible" ;
	document.getElementById("SubMenu4").style.visibility = "visible" ;
  	document.getElementById("SubMenu2").style.visibility = "hidden";
    document.getElementById("SubMenu3").style.visibility = "hidden";
}

function HideSubMenu4()
{

 var HideSM = setTimeout("document.getElementById('SubMenu1').style.visibility='hidden'",250);
  setCookie('HideSM',HideSM,null);
document.getElementById("SubMenu4").style.visibility = "hidden";

}