//????
document.write('<style>.menuskin{VISIBILITY: hidden; FONT: 12px Verdana; BACKGROUND-REPEAT: repeat-y; POSITION: absolute;}</style>');
document.write('<DIV class=menuskin id=popmenu onmouseover="clearhidemenu();highlightmenu(event,\'on\')" onmouseout="highlightmenu(event,\'off\');dynamichide(event)"></DIV>');
var menuOffX = 0; 
var menuOffY = 18;
var ie4 = document.all&&navigator.userAgent.indexOf("Opera")==-1;
var ns6 = document.getElementById&&!document.all;
var ns4 = document.layers;

function showmenu(e,which)
{
    if (!document.all&&!document.getElementById&&!document.layers){
      return;
    }
    clearhidemenu();
    menuobj = ie4? document.all.popmenu:ns6? document.getElementById("popmenu"):ns4? document.popmenu:"";
    menuobj.thestyle = (ie4||ns6)? menuobj.style:menuobj;
    if (ie4||ns6){
      menuobj.innerHTML=which.innerHTML;
    }else{
      menuobj.document.write('<layer name=gui class=menuskin width=165 onmouseover=clearhidemenu() onmouseout=hidemenu()>'+which.innerHTML+'</layer>');
      menuobj.document.close();
    }
    menuobj.contentwidth = (ie4||ns6)? menuobj.offsetWidth:menuobj.document.gui.document.width;
    menuobj.contentheight = (ie4||ns6)? menuobj.offsetHeight:menuobj.document.gui.document.Height;
    eventX = ie4? event.clientX:ns6? e.clientX:E.x;
    eventY = ie4? event.clientY:ns6? e.clientY:E.y;
    var rightedge = ie4? document.body.clientWidth-eventX:window.innerWidth-eventX;
    var bottomedge = ie4? document.body.clientHeight-eventY:window.innerHeight-eventY;
    
    if (rightedge<menuobj.contentwidth){
      menuobj.thestyle.left=ie4? document.body.scrollLeft+eventX-menuobj.contentwidth+menuOffX:ns6? window.pageXOffset+eventX-menuobj.contentwidth:eventX-menuobj.contentwidth;
    }else{
      menuobj.thestyle.left=ie4? ie_x(event.srcElement)+menuOffX:ns6? window.pageXOffset+eventX:eventX;
    }
    if (bottomedge<menuobj.contentheight){
      menuobj.thestyle.top=ie4? document.body.scrollTop+eventY-menuobj.contentheight-event.offsetY+menuOffY-23:ns6? window.pageYOffset+eventY-menuobj.contentheight-10:eventY-menuobj.contentheight;
    }else{
      menuobj.thestyle.top=ie4? ie_y(event.srcElement)+menuOffY:ns6? window.pageYOffset+eventY+10:eventY;
    }
		menuobj.thestyle.visibility="visible";
    return false
}
  
function ie_y(e)
{
		var t=e.offsetTop;
		while(e=e.offsetParent){t+=e.offsetTop;}
		return t;
}

function ie_x(e)
{
		var l=e.offsetLeft;
		while(e=e.offsetParent){l+=e.offsetLeft;}
		return l;
}

function contains_ns6(a,b)
{
		while (b.parentNode){
			if ((b=b.parentNode)==a){
				return true;
			}
		}
		return false;
}

function hidemenu()
{
    if (window.menuobj){
      menuobj.thestyle.visibility=(ie4||ns6)? "hidden":"hide";
    }
}
  
function dynamichide(e)
{
		if(ie4&&!menuobj.contains(e.toElement)){
			hidemenu();
		}
		else if(ns6&&e.currentTarget!=E.relatedTarget&& !contains_ns6(e.currentTarget,e.relatedTarget)){
			hidemenu();
		}
}

function highlightmenu(e,state)
{
		if(document.all){
			source_el=event.srcElement;
		}
		else if(document.getElementById){
			source_el=e.target;
		}
		
		if(source_el.className=="menuitems"){
			source_el.id=(state=="on")? "mouseoverstyle":"";
		}else{
			while(source_el.id!="popmenu"){
				source_el=document.getElementById? source_el.parentNode:source_el.parentElement;
				if(source_el.className=="menuitems"){
					source_el.id=(state=="on")? "mouseoverstyle":"";
				}
			}
		}
}

function delayhidemenu()
{
    if (ie4||ns6||ns4){
      delayhide=setTimeout("hidemenu()",500);
    }
}
  
function clearhidemenu()
{
    if (window.delayhide){
      clearTimeout(delayhide);
    }
}