var menuwidth='100px' //default menu width
var menubgcolor=''  //menu bgcolor
var disappeardelay=200  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?
var ie4=document.all
var ns6=document.getElementById&&!document.all

//Contents for menu 2, and so on
var menu2=new Array()

menu2[0]='<table width="110" border="0" cellpadding="0" cellspacing="0" bgcolor="#DFE3EF" class="tx-ar-10"><tr><td height="1" bgcolor="#C9D5E3"></td><td width="1" rowspan="9" bgcolor="#C9D5E3"></td></tr>'
menu2[1]='<tr><td height="19"><img src="images/trans.gif" width="8" height="1"><a href="apresentacao.asp">Apresenta&ccedil;&atilde;o</a></td></tr><tr><td height="1" bgcolor="#C9D5E3"></td></tr>'
menu2[2]='<tr><td height="19"><img src="images/trans.gif" width="8" height="1"><a href="historia.asp">Hist&oacute;ria</a></td></tr><tr><td height="1" bgcolor="#C9D5E3"></td></tr>'
menu2[3]='<tr><td height="19"><img src="images/trans.gif" width="8" height="1"><a href="instalacoes.asp">Nossas instala&ccedil;&otilde;es</a></td></tr><tr><td height="1" bgcolor="#C9D5E3"></td></tr>'
menu2[4]='</table>'
//menu2[4]='<tr><td height="19"><img src="images/trans.gif" width="8" height="1"><a href="quemsomos.asp">Quem somos</a></td></tr><tr><td height="1" bgcolor="#C9D5E3"></td></tr></table>'

if (ie4||ns6)
   document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu();" onMouseout="dynamichide(event);"></div>')

if (hidemenu_onclick=="yes")
   document.onclick=hidemenu

function getposOffset(what, offsettype){
    var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
    var parentEl=what.offsetParent;
    while (parentEl!=null){
    	  totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
    	  parentEl=parentEl.offsetParent;
    }
    return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
    if (ie4||ns6)
       dropmenuobj.style.left=dropmenuobj.style.top=-500
    if (menuwidth!=""){
       dropmenuobj.widthobj=dropmenuobj.style
       dropmenuobj.widthobj.width=menuwidth
    }
    if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
       obj.visibility=visible
    else if (e.type=="click")
    	 obj.visibility=hidden
}

function iecompattest(){
		 return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
     var edgeoffset=0
     if (whichedge=="rightedge"){
     	var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
     	dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
    	 if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
     	 	edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
     }
     else{
     	  var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
     	  dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
     	  if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
     	  	 edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
     }
     return edgeoffset
}

function populatemenu(what){
		 if (ie4||ns6)
		 	dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth, menubgcolor){
     if (window.event) event.cancelBubble=true
     else if (e.stopPropagation) e.stopPropagation()
     	  clearhidemenu()
     dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
     populatemenu(menucontents)
     
     if (ie4||ns6){
     	showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
     	dropmenuobj.x=getposOffset(obj, "left")
     	dropmenuobj.y=getposOffset(obj, "top")
     	dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+162+"px"
     	dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight-18+"px"
     }
     
     return clickreturnvalue()
}

function clickreturnvalue(){
		 if (ie4||ns6) return false
		 else return true
}

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

function dynamichide(e){
		 if (ie4&&!dropmenuobj.contains(e.toElement))
		 	delayhidemenu()
		 else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		  	delayhidemenu()
}

function hidemenu(e){
		 if (typeof dropmenuobj!="undefined"){
		 	if (ie4||ns6)
			   dropmenuobj.style.visibility="hidden"
		  }
}

function delayhidemenu(){
		 if (ie4||ns6)
		 	delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
		 if (typeof delayhide!="undefined")
		 	clearTimeout(delayhide)
}