/////////////////////////////////////////////////////////////////////////////

var	ie=(navigator.appName=='Microsoft Internet Explorer')
var	ns=(navigator.appName=='Netscape')
var	dom=document.getElementById
var lw_menuId, lw_trigger, to1
var s1

/////////////////////////////////////////////////////////////////////////////

function Tmenu (id, parentId, url, description, img,title) {
	this.id = id
	this.parentId = parentId
	this.url = url
	this.description = description
	this.numChild = 0
	this.levelId = 0
	this.img = img
	this.title = title
}

/////////////////////////////////////////////////////////////////////////////

var menu = new Array()
var menuCounter = 0
var numLevel = 0
var prevMenuId = -1
var nNowAt = 0

function displayMenuItem(menuId) {
	var sHTML
	
	if (menu[menuId].parentId>0)
	{
		ItemForeground = subItemForeground 
		Border = subItemBorder 
		Background = subItemBackground 

		HoverForeground = subItemHoverForeground 
		HoverBorder = subItemHoverBorder 
		HoverBackground = subItemHoverBackground 
	}
	else
	{
		ItemForeground = mainItemForeground 
		Border = mainItemBorder 
		Background = mainItemBackground 

		HoverForeground = mainItemHoverForeground 
		HoverBorder = mainItemHoverBorder 
		HoverBackground = mainItemHoverBackground 
	}

	if ((orientation==1)||(menu[menuId].levelId>0))
	{
		sHTML += "<tr>"
	}	

	if (menu[menuId].description!='-')
	{
		sHTML = "<td id='menu_"+menuId+"' style='cursor:pointer;cursor:hand;border-style:solid;border-width:1px;background-color:"+ celdafondo +";color=\""+ ItemForeground +"\";border-color:"+ Border +"' onmouseover='clearInterval(s1);this.style.backgroundColor=\"" + HoverBackground + "\";this.style.color=\"" + HoverForeground + "\";this.style.borderColor=\"" + HoverBorder + "\";"

		if (menu[menuId].numChild!=0) {
			sHTML += "showSubmenu("+menu[menuId].id+",this);hideSubmenu(menu["+menuId+"].levelId+1);"
		}
		else
		{
			sHTML += "prevMenuId = "+menuId+";hideSubmenu(menu["+menuId+"].levelId);"
		}

		sHTML += ";nNowAt="+menuId+";clearAll("+menu[menuId].levelId+","+menu[menuId].parentId+")' onclick='javascript:window.open(\""+menu[menuId].url+"\",\"_top\");' onmouseout='s1=setInterval(\"resetMenu();hideSubmenu(0)\",1000);'><table cellpadding=0 cellspacing=0 border=0 width='100%'><tr>"

		

		if ((orientation==0) && (menu[menuId].levelId==0))
		{
			nArrowWidth = 0
		}
		else
		{
			nArrowWidth = 25
		}
		sHTML += "<td style='padding-left:5px;padding-right:5px' align=left title='"+menu[menuId].title+"'><font face='"+tipoletra+"'size='"+tamanioletra+"' color='" + colorletra +  "'>" + menu[menuId].description.replace(" ","&nbsp;") + "</td><td style='padding-right:2px' align=right width="+nArrowWidth+">"
		if (menu[menuId].numChild>0)
		{
			if ((orientation==0)&&(menu[menuId].levelId==0))
			{
				sHTML += "<img src='" + imgPath + "arrow_down.gif'>"
			}
			else
			{
				sHTML += "<img src='" + imgPath + "arrow_right.gif'>"
			}
		}
		else
		{
			sHTML += "&nbsp;"
		}
		sHTML += "</td></tr></table></td>"
	}
	else
	{
		sHTML = "<td></td></tr><tr><td onmouseover='' bgcolor='#d0d0d0'></td></tr><tr>"
	}

	if ((orientation==1)||(menu[menuId].levelId>0))
	{
		sHTML += "</tr>"
	}	
	return sHTML
}

function clearAll(levelId, parentId) {

	if (levelId>0)
	{
		Border = subItemBorder 
		Background = celdafondo
	}
	else
	{
		Border = mainItemBorder 
		Background = mainItemBackground 
	}

	for (i=0;i<menuCounter;i++)
	{
		if (menu[i].levelId==levelId)
		{
			if ((i!=nNowAt) && (menu[i].parentId==parentId) && (menu[i].description!="-")) {
				lw_getObj("menu_"+i).backgroundColor=Background;
				lw_getObj("menu_"+i).borderColor=Border
			}
		}
	}

}

function mapID (id) {
	for (var i=0;i<menuCounter;i++)
	{
		if (menu[i].id==id)
		{
			return i
		}
	}
	return -1
}

function showSubmenu(menuId,trigger) {
	lw_menuId = menuId
	lw_trigger = trigger

	if (ns)
	{
		to1 = setTimeout("showActualSubmenu(lw_menuId,lw_trigger)",50)			
	}
	else
	{
		showActualSubmenu(lw_menuId,lw_trigger)
	}
}

function showActualSubmenu(menuId,trigger) {
	var nLevel = 0
	var leftpos = 0 
	var nIndex=0

	if (menuId>0)
	{
		lw_calcpos(trigger)

		for (var i=0;i<menuCounter;i++)
		{
			if (menu[i].id==menuId)
			{	
				nLevel = menu[i].levelId
				nIndex = i
			}
		}

		if ((orientation==1)||(menu[nIndex].parentId>0))
		{
			lw_getObj("menu_level_"+nLevel).top=lw_toppos
			leftpos = lw_leftpos + lw_width + 5

			if (nLevel==0) {
				leftpos -= 3
			}
		}
		else {
			lw_getObj("menu_level_"+nLevel).top = lw_toppos + lw_height + 2
			leftpos = lw_leftpos
		}

		lw_getObj("menu_level_"+nLevel).left=leftpos

		sHTML = "<table cellpadding=0 cellspacing=2 width='50'>"
		for (var i=0;i<menuCounter;i++)
		{
			if (menu[i].parentId==menuId)
			{
				sHTML += displayMenuItem (i)
			}
		}
		sHTML += "</table>"

		document.getElementById("menu_level_"+nLevel+"_content").innerHTML=sHTML
		lw_showLayer('menu_level_'+nLevel)
	} 
}

function hideSubmenu(levelId) {
	for (var cnt=levelId; cnt<numLevel; cnt++)
	{
		lw_hideLayerName("menu_level_"+cnt)
	}
}

function DrawMenu ()  {

	for (var i=0; i<numLevel ; i++)
	{
		lw_createLayer("menu_level_"+i,0,0,0,0,subItemBackground,"#a0a0a0",100)
	}
	
	sHTML="<table width=50% cellpadding=2 cellspacing=5>"
	for (var i=0; i<menuCounter; i++)
	{
		if (menu[i].parentId==0)
		{		
			sHTML += displayMenuItem (i)
		}
		else if (menu[i].parentId==-1)
		{		
			sHTML += "<tr><td><img src='trans' height=2></td></tr><tr bgcolor='"+mainItemBackground+"'><td style='padding:5px' ><b>" + menu[i].description + "</b></td></tr>"
		}
	}
	sHTML += "</table>"

	document.writeln(sHTML)

}

function getLevel (menuId) {
	var pId=menuId
	var nLevel=0

	while (pId!=0)
	{
		nLevel++
		for (var i=0;i<menuCounter;i++)
		{
			if (menu[i].id==pId)
			{	
				pId = menu[i].parentId
			}
		}
	}

	return nLevel
}

function AddMenuItem (id, parentId, url, description, img, title)  {

	menu[menuCounter++] = new Tmenu (id, parentId, url, description, img, title)

	if (parentId>0)
	{
		for (i=0;i<menuCounter;i++)
		{
			if (menu[i].id==parentId)
			{
				menu[i].numChild++
			}
		}
		menu[menuCounter-1].levelId = getLevel(parentId)

		if ( numLevel < menu[menuCounter-1].levelId)
		{	
			numLevel = menu[menuCounter-1].levelId
		}
	}	 
	else if (parentId==0)
	{
		menu[menuCounter-1].levelId = 0
	}
	else
	{
		menu[menuCounter-1].levelId = -1
	}
}

function handleonclick() {
	if (ns)
	{
		lw_closeAllLayers()
	}
	else
	{
		lw_closeAllLayers(event)
	}

	resetMenu()
}

function handlekeypress(e) {
	if (ns)
	{
		var keyCode = e.keyCode?e.keyCode:e.which?e.which:e.charCode;
		if ((keyCode==27)||(keyCode==1))
		{
			handleonclick()
		}
	}
	else
	if ((event.keyCode==0)||(event.keyCode==27))
	{
		handleonclick()
	}
	resetMenu()
}

function resetMenu () {
	for (i=0;i<menuCounter;i++)
	{
		if (menu[i].levelId==0)
		{
			lw_getObj("menu_"+i).backgroundColor=mainItemBackground
			lw_getObj("menu_"+i).borderColor=mainItemBorder
		}
	}
}

document.onkeypress = handlekeypress
document.onclick = handleonclick



var layerQueue=new Array()
var layerIndex=-1

/* hides <select> and <applet> objects (for IE only) */
function hideElement( elmID, overDiv )
{
  if( ie )
  {
	for( i = 0; i < document.getElementsByTagName( elmID ).length; i++ )
	{
	  obj = document.getElementsByTagName( elmID )[i];
	  if( !obj || !obj.offsetParent )
	  {
		continue;
	  }
  
	  // Find the element's offsetTop and offsetLeft relative to the BODY tag.
	  objLeft   = obj.offsetLeft;
	  objTop    = obj.offsetTop;
	  objParent = obj.offsetParent;
	  
	  while( objParent.tagName.toUpperCase() != "BODY" )
	  {
		objLeft  += objParent.offsetLeft;
		objTop   += objParent.offsetTop;
		objParent = objParent.offsetParent;
	  }
  
	  objHeight = obj.offsetHeight;
	  objWidth = obj.offsetWidth;
  
	  if(( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft );
	  else if(( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop );
	  else if( overDiv.offsetTop >= ( objTop + objHeight ));
	  else if( overDiv.offsetLeft >= ( objLeft + objWidth ));
	  else
	  {
		obj.style.visibility = "hidden";
	  }
	}
  }
}
 
/*
* unhides <select> and <applet> objects (for IE only)
*/
function showElement( elmID )
{
  if( ie )
  {
	for( i = 0; i < document.getElementsByTagName( elmID ).length; i++ )
	{
	  obj = document.getElementsByTagName( elmID )[i];
	  
	  if( !obj || !obj.offsetParent )
	  {
		continue;
	  }
	
	  obj.style.visibility = "";
	}
  }
}

function lw_createLayer (layerName, top_pos, left_pos, width, height, bgcolor, bordercolor, z_index) {
	document.write("<div ONCLICK='event.cancelBubble=true' id='"+layerName+"' style='z-index:" + z_index + ";position:absolute;top:"+top_pos+";left:"+left_pos+";visibility:hidden;'><table bgcolor='"+bgcolor+"' style='border-width:0px;border-style:solid;border-color:" + bordercolor + "' cellpadding=2 cellspacing=0 width=0><tr><td valign=top width='"+width+"' height='"+height+"'><span id='"+layerName+"_content'></span></td></tr></table></div>")
}

function lw_getObj (objName) {
	return (dom)?document.getElementById(objName).style:ie?eval("document.all."+objName) :eval("document."+objName)
}

function lw_showLayer (layerName) {

	found=false
	for (i=0;i<=layerIndex;i++)
	{
		if (layerQueue[i]==layerName)
		{
			found=true
		}
	}

	if ((lw_getObj(layerName).visibility!="visible")&&(lw_getObj(layerName).visibility!="show"))
	{
		lw_getObj(layerName).visibility = (dom||ie)?"visible":"show"
		layerQueue[++layerIndex] = layerName

		hideElement( 'SELECT', document.getElementById(layerName) );
		hideElement( 'APPLET', document.getElementById(layerName) );
	}	
}

function lw_hideLayer () {
	showElement( 'SELECT', document.getElementById(layerQueue[layerIndex]) );
	showElement( 'APPLET', document.getElementById(layerQueue[layerIndex]) );

	lw_getObj(layerQueue[layerIndex--]).visibility = "hidden"
}

function lw_hideLayerName (layerName) {
	var i
	var tmpQueue=new Array()
	var newIndex=-1

	showElement( 'SELECT', document.getElementById(layerName) );
	showElement( 'APPLET', document.getElementById(layerName) );

	lw_getObj(layerName).visibility = "hidden"

	for (i=0;i<=layerIndex;i++)
	{
		if ((layerQueue[i]!="")&&(layerQueue[i]!=layerName))
		{
			tmpQueue [++newIndex] = layerQueue[i]			
			hideElement( 'SELECT', document.getElementById(layerQueue[i]) );
			hideElement( 'APPLET', document.getElementById(layerQueue[i]) );
		}
		
	}

	layerQueue = tmpQueue
	layerIndex = newIndex
}

function lw_closeAllLayers() {
	while (layerIndex >= 0)
	{
		lw_hideLayer()
	}
}

function lw_closeLastLayer() {
	if (layerIndex >= 0)
	{
		while ((lw_getObj(layerQueue[layerIndex]).visibility!="visible") && (layerIndex>0))
		{
			layerIndex--;
		}
		lw_hideLayer()
	}
}

function lw_escLayer (e) {
	if (navigator.appName=="Netscape")
	{
		var keyCode = e.keyCode?e.keyCode:e.which?e.which:e.charCode;
		if ((keyCode==27)||(keyCode==1))
		{
			lw_closeLastLayer()
		}
	}
	else
	if ((event.keyCode==0)||(event.keyCode==27))
	{
		lw_closeLastLayer()		
	}
}


var lw_leftpos = 0
var lw_toppos = 0
var lw_width = 0
var lw_height = 0

function lw_calcpos(obj) {
	lw_leftpos=0
	lw_toppos=0
	lw_width = obj.offsetWidth
	lw_height = obj.offsetHeight

	var aTag = obj
	do {
		lw_leftpos += aTag.offsetLeft;
		lw_toppos += aTag.offsetTop;
		aTag = aTag.offsetParent;
	} while(aTag.tagName!="BODY");
}

document.onkeypress = lw_escLayer;
document.onclick = lw_closeAllLayers;