// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
function DeleteCookie(name, path, domain) 
{
   if ( GetCookie( name ) ) {
      document.cookie = name + "=" + 
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-1970 00:00:01 GMT";
   }
}



// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function GetCookie(name) 
{
   var dc = document.cookie;
   var prefix = name + "=";
   var begin = dc.indexOf("; " + prefix);
   if (begin == -1) {
      begin = dc.indexOf(prefix);
      if (begin != 0) return null;
   } else
      begin += 2;

   var end = document.cookie.indexOf(";", begin);
   if (end == -1)
      end = dc.length;

   return unescape(dc.substring(begin + prefix.length, end));
}



// Calculate the left position of the element, relative to the body.
function GetElementLeft(element) {

	var left = 0; 
	while ( element ) {
		left	  += element.offsetLeft;
		element	= element.offsetParent;
	}
	return left;
}



// getElementsByClassName
function getElementsByClassName( oElm, strTagName, strClassName ){
   var arrElements = ( strTagName == "*" && oElm.all )? oElm.all : oElm.getElementsByTagName( strTagName );
   var arrReturnElements = new Array();
   strClassName = strClassName.replace( /\-/g, "\\-" );
   var oRegExp = new RegExp( "(^|\\s)" + strClassName + "(\\s|$)" );
   var oElement;

   for( var i=0; i<arrElements.length; i++ )
   {
      oElement = arrElements[i];      
      if ( oRegExp.test( oElement.className ) )
      {
            arrReturnElements.push( oElement );
      }   
   }
   return ( arrReturnElements )
}



// Calculate the top position of the element, relative to the body.
function GetElementTop(element) {

	var top = 0; 
	while (element) {
		top	  += element.offsetTop;
		element	= element.offsetParent;
	}
	return top;	
}



// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function SetCookie(name, value, expires, path, domain, secure) 
{
   var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
   document.cookie = curCookie;
}



// open child menu
function openChildMenu( pElement )
{
   for( i=0; i<pElement.childNodes.length; i++ )
   {
      if ( pElement.childNodes[ i ].className == 'FloatingMenu' )
      {
         pElement.childNodes[ i ].style.display='';
      }
   }
}



// close child menu
function closeChildMenu( pElement )
{
   for( i=0; i<pElement.childNodes.length; i++ )
   {
      if ( pElement.childNodes[ i ].className == 'FloatingMenu' )
      {
         pElement.childNodes[ i ].style.display='none';
      }
   }
}



// open menu
function openMenu( pElement )
{
   pElement.style.display='';
}



// close menu
function closeMenu( pElement )
{
   pElement.style.display='none';
}