function video(s){
	var w=window.open(s, 'video', 'location=0,status=0,scrollbars=0,resizable=1,left=150,top=150,width=350,height=323');
	if(w)w.focus();
	return false;
}
function menu_transp(i){
	var m=document.getElementById('menu'+i);
	if(m){
		m.style.opacity=0.9;
		m.style.MozOpacity=0.9;
		m.style.KhtmlOpacity=0.9;
		m.style.filter="alpha(opacity=90)";
	}
}
function menu(i,v){
	document.getElementById('menu'+i).style.display=v?'block':'none';
}
function wopen(p,n,w,h,t,l){
	var w=window.open(p,n,'toolbar=no,location=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width='+w+',height='+h+',top='+t+',left='+l);
	w.focus();
	return false;
}
function contacto(){
 if(!window.opener || window.opener.closed){
  var w=window.open('contactos.php','FM');
  w.focus();
 }
 else{
  window.opener.location='contactos.php';
  window.opener.focus();
 }
}

function valida(name,caption,indform)
{
	frm=document.forms[indform];
	if(frm.elements[name].value=="")
	{
		alert("O campo '"+caption+"' é de preenchimento obrigatório!");
		frm.elements[name].focus();
		return false;
	}
	return true;
}

function check_num(name,caption,indform)
{
        frm=document.forms[indform]
        if (isNaN(parseInt(frm.elements[name].value),10))
	{
		if(frm.elements[name].value.length)
		{
	                frm.elements[name].focus();
        	        alert("O campo '"+caption+"' espera um valor numérico!");
                	return false;
		}
		else
		        return true;
	}
	else
	{
	        frm.elements[name].value=parseInt(frm.elements[name].value,10);
        	return true;
	}
}

function check_float(name,caption,indform)
{
        frm=document.forms[indform];
        if (isNaN(parseFloat(frm.elements[name].value),10))
	{
		if(frm.elements[name].value.length)
		{
                	frm.elements[name].focus();
	                alert("O campo '"+caption+"' espera um valor numérico!");
        	        return false;
		}
		else
		        return true;
	}
	else
	{
        	frm.elements[name].value=parseFloat(frm.elements[name].value,10);
	        return true;
	}
}

function printpage()
{
	var da = (document.all) ? 1 : 0;
	var pr = (window.print) ? 1 : 0;
	if (pr)
		window.print();
	else if (da){
		var wb = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
		document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
		wb.ExecWB(6, 1);
		wb.outerHTML='';
	}
}