/* modifica las caracteristicas de los menus hijos */
function menu_set(){ 
 var i,d='',h="<sty"+"le type=\"text/css\">",tA=navigator.userAgent.toLowerCase();if(window.opera){
 if(tA.indexOf("opera 5")>-1||tA.indexOf("opera 6")>-1){return;}}if(document.getElementById){
 for(i=1;i<20;i++){d+='ul ';h+="\n#menunav "+d+"{position:absolute;left:-9000px;width:11em;}";}
 document.write(h+"\n<"+"/sty"+"le>");}}menu_set();
/* modifica caracteristicas de apertura de menus */
function menu_init(){
 var i,g,tD,tA,tU,pp,lvl,tn=navigator.userAgent.toLowerCase();if(window.opera){
 if(tn.indexOf("opera 5")>-1||tn.indexOf("opera 6")>-1){return;}}else if(!document.getElementById){return;}
 menup=arguments;menuct=new Array;tD=document.getElementById('menunav');
if(tD){tA=tD.getElementsByTagName('A');
 for(i=0;i<tA.length;i++){tA[i].menucl=menuct.length;
menuct[menuct.length]=tA[i];g=tA[i].parentNode.getElementsByTagName("UL");
 tA[i].menusub=(g)?g[0]:false;ev=tA[i].getAttribute("onmouseover");
if(!ev||ev=='undefined'){tA[i].onmouseover=function(){
 menu_trig(this);};}ev=tA[i].getAttribute("onfocus");
if(!ev||ev=='undefined'){tA[i].onfocus=function(){menu_trig(this);};}
 if(tA[i].menusub){pp=tA[i].parentNode;
lvl=0;while(pp){if(pp.tagName&&pp.tagName=="UL"){lvl++;}pp=pp.parentNode;}
 tA[i].menulv=lvl;}}tD.onmouseout=menu_close;menu_open();}
}
function menu_trig(a){
 var b,t;if(document.menut){clearTimeout(document.menut);}document.menua=1;
b=(a.menusub)?'menu_show(':'menu_tg(';
 t='document.menut=setTimeout("'+b+a.menucl+')",160)';eval (t);
}
/*muestra los menus */
function menu_show(a,bp){ 
 var u,lv,oft,ofr,uw,uh,pp,aw,ah,adj,mR,mT,wW=0,
wH,w1,w2,w3,sct,pw,lc,pwv,xx=0,yy=0,wP=true;
 var iem=(navigator.appVersion.indexOf("MSIE 5")>-1)?true:false,dce=document.documentElement,dby=document.body;
document.menua=1;
 if(!bp){menu_tg(a);}u=menuct[a].menusub;
if(u.menuax&&u.menuax==1){return;}u.menuax=1;
lv=(menup[0]==1&&menuct[a].menulv==1)?true:false;
menuct[a].className=menuct[a].className.replace("menutrg","menuon");oft=parseInt(menup[3]);
ofr=parseInt(menup[4]);
 uw=u.offsetWidth;uh=u.offsetHeight;pp=menuct[a];aw=pp.offsetWidth;ah=pp.offsetHeight;while(pp){xx+=(pp.offsetLeft)?pp.offsetLeft:0;
 yy+=(pp.offsetTop)?pp.offsetTop:0;if(window.opera||navigator.userAgent.indexOf("Safari")>-1){
 if(menuct[a].menulv!=1&&pp.nodeName=="BODY"){yy-=(pp.offsetTop)?pp.offsetTop:0;}}pp=pp.offsetParent;}
 if(iem&&navigator.userAgent.indexOf("Mac")>-1){yy+=parseInt(dby.currentStyle.marginTop);}adj=parseInt((aw*ofr)/100);mR=(lv)?0:aw-adj;
 adj=parseInt((ah*oft)/100);mT=(lv)?0:(ah-adj)*-1;w3=dby.parentNode.scrollLeft;if(!w3){w3=dby.scrollLeft;}w3=(w3)?w3:0;
 if(dce&&dce.clientWidth){wW=dce.clientWidth+w3;}else if(dby){wW=dby.clientWidth+w3;}if(!wW){wW=0;wP=false;}wH=window.innerHeight;
 if(!wH){wH=dce.clientHeight;if(!wH||wH<=0){wH=dby.clientHeight;}}sct=dby.parentNode.scrollTop;if(!sct){sct=dby.scrollTop;if(!sct){
 sct=window.scrollY?window.scrollY:0;}}pw=xx+mR+uw;if(pw>wW&&wP){mR=uw*-1;mR+=10;if(lv){mR=(wW-xx)-uw;}}lc=xx+mR;if(lc<0){mR=xx*-1;}
 pw=yy+uh+ah+mT-sct;pwv=wH-pw;if(pwv<0){mT+=pwv;}u.style.marginLeft=mR+'px';u.style.marginTop=mT+'px';
 if(menup[2]==1){if(!iem){menu_anim(a,20);}}u.className="menushow";
}
/* oculta los menus */
function menu_hide(u){ 
 var i,tt,ua;u.menuax=0;u.className="menuhide";
ua=u.parentNode.firstChild;ua.className=ua.className.replace("menuon","menutrg");
}
function menu_tg(a,b){ 
 var i,u,tA,tU,pp;tA=menuct[a];pp=tA.parentNode;while(pp){if(pp.tagName=="UL"){break;}pp=pp.parentNode;}if(pp){
 tU=pp.getElementsByTagName("UL");for(i=tU.length-1;i>-1;i--){if(b!=1&&tA.menusub==tU[i]){continue;}else{menu_hide(tU[i]);}}}
}
function menu_close(evt){
 var pp,st,tS,m=true;evt=(evt)?evt:((event)?event:null);st=document.menua;if(st!=-1){if(evt){
 tS=(evt.relatedTarget)?evt.relatedTarget:evt.toElement;if(tS){pp=tS.parentNode;while(pp){if(pp&&pp.id&&pp.id=="menunav"){m=false;
 document.menua=1;break;}pp=pp.parentNode;}}if(m){document.menua=-1;if(document.menut){clearTimeout(document.menut);}
 document.menut=setTimeout("menu_clr()",360);}}}
}
function menu_clr(){
 var i,tU,tUU;document.menua=-1;tU=document.getElementById('menunav');if(tU){tUU=tU.getElementsByTagName("UL");if(tUU){
 for(i=tUU.length-1;i>-1;i--){menu_hide(tUU[i]);}}}
}
/* crea la animación */
function menu_anim(a,st){ 
 var g=menuct[a].menusub,sp=50,inc=20;st=(st>=100)?100:st;g.style.fontSize=st+"%";if(st<100){st+=inc;setTimeout("menu_anim("+a+","+st+")",sp);}
}

function menu_mark(){document.menuop=arguments;}

function menu_open(){ 
 var bandera=0,i,x,tA,op,pp,wH,tA,aU,r1,k=-1,kk=-1,mt=new Array(1,'','');
 if(document.menuop){
	 mt=document.menuop;
	 				}
	 op=mt[0];
	 if(op<1){
		 return;
		     }
 tA=document.getElementById('menunav').getElementsByTagName("A");
 wH=window.location.href;
 r1=/index\.[\S]*/i;
 for(i=0;i<tA.length;i++){
     if(tA[i].href){
	    aU=tA[i].href.replace(r1,'');
	 if(op>0){
		 if(tA[i].href==wH||aU==wH){
			 k=i;
			 kk=-1;
			 break;
			 }
			             }
			 if(op==2){
				 if(tA[i].firstChild){
 					if(tA[i].firstChild.nodeValue==mt[1]){
					 kk=i;
					 }}}
			 if(op==3 && tA[i].href.indexOf(mt[1])>-1){
				 kk=i;
	 				}
			 if(op==4){
				 for(x=1;x<mt.length;x+=2){
					if(wH.indexOf(mt[x])>-1){
	 					if(tA[i].firstChild&&tA[i].firstChild.data){
		 					if(tA[i].firstChild.data==mt[x+1]){
			 					kk=i;
			 		break;
			 	}}}}}}}
			 k=(kk>k)?kk:k;
			

 if(k>-1){
	 tA[k].style.color="#E77812";
	 tA[k].style.textDecoration = "underline";
	 pp=tA[k].parentNode;
	 while(pp.nodeName!="BODY"){
		 if(pp.nodeName=="LI"){
			 pp.firstChild.className="menumark"+" "+pp.firstChild.className;
			                 }
     pp=pp.parentNode;
	
	 if(pp.parentNode.className=="menutrg"){
		 pp.parentNode.getElementsByTagName("a")[0].style.color="#E77812";
		  pp.parentNode.getElementsByTagName("a")[0].style.background= "#000000 url('libreria/linkarrow_active.png') right center no-repeat";
		  //pp.parentNode.getElementsByTagName("a")[0].style.textDecoration = "underline";
	                                       }
          }
		  }

 if(kk>-1){
	 document.menuad=1;
	 }
	 /*menu_adma();menu_admb();*/

	 
}

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


var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;