var da = document.all;
var de = document.getElementById;
var op = window.opera?1:0;


function setActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
		  a.disabled = true;
		  if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
}

swpvis = function(name) {
   if (document.getElementById) {
       current = (document.getElementById(name).style.display == '') ? 'none' : '';
       document.getElementById(name).style.display = current;
			 return true;
   }
   else if (document.all) {
       current = (document.all[name].style.display == 'block') ? 'none' : 'block'
       document.all[name].style.display = current;
       return true;
   }
}

swpimg = function(id,src) {
	if (de) document.getElementById(id).src=src;
	else if (da) document.all[id].src=src;
}

swpimg2 = function(id,src1,src2){
	var btOn = new Image(); btOn.src = src1;
	var btOff = new Image(); btOff.src = src2;
	if (de) document.getElementById(id).src==btOn.src ? document.getElementById(id).src=btOff.src : document.getElementById(id).src=btOn.src;
	else if (da) document.all[id].src==btOn.src ? document.all[id].src=btOff.src : document.all[id].src=btOn.src;
}

openconsola = function(url){
	window.open(url,"consola",'width=760,height=570,scrollbars=yes');
}

function jmpmenu(targ,sel){
	eval(targ+".location='"+sel.options[sel.selectedIndex].value+"'");
}
bgtits1 = function(){}
bgtits2 = function(){}

//SLIDES
slidex=-1;
slidey=0;
pause=0;
var slidet=4;//tempoEmSegundos
function fadeOut(obj) {
	if(da&&!op){
		obj=document.all(obj)
		obj.style.filter="blendTrans(duration=0.5)"
			obj.filters.blendTrans.Apply()
			obj.style.visibility="hidden"
			obj.filters.blendTrans.Play()
	}else if(de){
		document.getElementById(obj).style.visibility="hidden";
	}
}
function fadeIn(obj) {
	eval("surl = document.fslides."+obj+"lnk.value")
	if(de)document.getElementById('slink').href=surl
	if(da&&!op){
		obj=document.all(obj)
		obj.style.filter="blendTrans(duration=0.8)"
			obj.filters.blendTrans.Apply()
			obj.style.visibility="visible"
			obj.filters.blendTrans.Play()
	}else if(de){
		document.getElementById(obj).style.visibility="visible"
	}
}
function slidefwd(){
	if(slidex < nslides-1){
		slidex++;slidey=slidex+1;
		eval("fadeOut('slide"+slidex+"')")
		eval("fadeIn('slide"+slidey+"')")
	}else{
		eval("fadeOut('slide"+nslides+"')")
		eval("fadeIn('slide1')")
		slidex=0
	}
	if(pause==0)slidefwdt=setTimeout("slidefwd()",slidet*1000)
}
function sliderwd(){
	if(slidey>1&&slidex!=0){
		eval("fadeOut('slide"+slidey+"')")
		eval("fadeIn('slide"+slidex+"')")
	}else{
		eval("fadeOut('slide1')")
		eval("fadeIn('slide"+nslides+"')")
		slidex=nslides;slidey=nslides+1
	}
	slidex--;slidey--
	if(pause==0)slidefwdt=setTimeout("slidefwd()",slidet*1000)
}
var btslidex=new Image(); btslidex.src="http://img.idademaior.com/slides1.gif"
function slidepause(){
	if(de)btslides=document.getElementById('btslides')
	else if(da)btslides=document.all('btslides')
	if(btslides.src=="http://www.iol.pt/img/slides.gif"){
		clearTimeout(slidefwdt);pause=1
		btslides.src=btslidex.src
	}else{
		slidefwdt=setTimeout("slidefwd()",slidet*1000);pause=0
		btslides.src="http://img.idademaior.com/slides.gif"
	}
}

//MENU SELECT
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}