// JavaScript Document

// Modal Dialog Box
// copyright 8th July 2006 by Stephen Chapman
// http://javascript.about.com/
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (including these
// comments) is used without any alteration
function pageWidth()
{
	return window.innerWidth != null? window.innerWidth: document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth:document.body != null? document.body.clientWidth:null;
}
function pageHeight()
{
	return window.innerHeight != null? window.innerHeight: document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight:document.body != null? document.body.clientHeight:null;
}
function posLeft()
{
	return typeof window.pageXOffset != 'undefined' ? window.pageXOffset:document.documentElement && document.documentElement.scrollLeft? document.documentElement.scrollLeft:document.body.scrollLeft? document.body.scrollLeft:0;
}
function posTop()
{
	return typeof window.pageYOffset != 'undefined' ? window.pageYOffset:document.documentElement && document.documentElement.scrollTop? document.documentElement.scrollTop: document.body.scrollTop?document.body.scrollTop:0;
}
function $(x)
{
	return document.getElementById(x);
}
function scrollFix()
{
	var obol=$('ol');
	obol.style.top=posTop()+'px';
	obol.style.left=posLeft()+'px'
}
function sizeFix()
{
	var obol=$('ol');
	obol.style.height=pageHeight()+'px';
	obol.style.width=pageWidth()+'px';
}
function kp(e)
{
	ky=e?e.which:event.keyCode;
	if(ky==88||ky==120) hm();
	return false
}
function inf(h)
{
	tag=document.getElementsByTagName('select');
	for(i=tag.length-1;i>=0;i--)
		tag[i].style.visibility=h;
	tag=document.getElementsByTagName('iframe');
	for(i=tag.length-1;i>=0;i--)
		tag[i].style.visibility=h;
	tag=document.getElementsByTagName('object');
	for(i=tag.length-1;i>=0;i--)
		tag[i].style.visibility=h;
}
function sm(obl, wd, ht)
{
	var h='hidden';
	var b='block';
	var p='px';
	var obol=$('ol'); 
	var obbxd = $('mbd');
	obbxd.innerHTML = $(obl).innerHTML;
	obol.style.height=pageHeight()+p;
	obol.style.width=pageWidth()+p;
	obol.style.top=posTop()+p;
	obol.style.left=posLeft()+p;
	obol.style.display=b;
	var tp=posTop()+((pageHeight()-ht)/2)-12;
	var lt=posLeft()+((pageWidth()-wd)/2)-12;
	var obbx=$('mbox');
	obbx.style.top=(tp<0?0:tp)+p;
	obbx.style.left=(lt<0?0:lt)+p;
	obbx.style.width=wd+p;
	obbx.style.height=ht+p;
	inf(h);
	obbx.style.display=b;
	return false;
}
function hm()
{
	var v='visible';
	var n='none';
	$('ol').style.display=n;
	$('mbox').style.display=n;
	inf(v);
	document.onkeypress='';
}
function initmb()
{
	var ab='absolute';
	var n='none';
	var obody=document.getElementsByTagName('body')[0];
	var frag=document.createDocumentFragment();
	var obol=document.createElement('div');
	obol.setAttribute('id','ol');
	obol.style.display=n;
	obol.style.position=ab;
	obol.style.top=0;
	obol.style.left=0;
	obol.style.zIndex=998;
	obol.style.width='100%';
	frag.appendChild(obol);
	var obbx=document.createElement('div');
	obbx.setAttribute('id','mbox');
	obbx.style.display=n;
	obbx.style.position=ab;
	obbx.style.zIndex=999;
	var obl=document.createElement('span');
	obbx.appendChild(obl);
	var obbxd=document.createElement('div');
	obbxd.setAttribute('id','mbd');
	obl.appendChild(obbxd);
	frag.insertBefore(obbx,obol.nextSibling);
	obody.insertBefore(frag,obody.firstChild);
	window.onscroll = scrollFix; window.onresize = sizeFix;
}
window.onload = initmb;
function fechar()
{
	hm('box');
}
function enviaefecha()
{
	setTimeout("fechar()", 500);
}

function trim(str){return str.replace(/^\s+|\s+$/g,"");}


//valida um email fornecendo como parametro o id do campo a validar
function validaemail(idfield)
{
	// validate an e-mail address
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.getElementById(idfield).value))
	{
		//alert("Email inválido!");
		document.getElementById(idfield).focus();
		return true;
	}
	return false;
}
function voltaaocultarmsg()
{	
	document.getElementById('errocamposform').style.display = 'none';
}
function validaformmail()
{
	error = false;
	if(validaemail(document.getElementById('mailremetente').id)) error = true;
	if(trim(document.getElementById('nomeremetente').value) == "") error = true;
	if(trim(document.getElementById('conteudomail').value) == "") error = true;
	
	if(error)
	{
		//setTimeout("voltaaocultarmsg()", 2000);
		//document.getElementById('errocamposform').style.display = 'block';
		alert('Por favor preencha todos os campos correctamente.');
		return false;
	}
	else if(document.getElementById('mailremetente').value == "geral@scottx.net")
	{
		alert('No campo e-mail deverá preencher o seu endereço de correio electrónico.');
		return false;
	}
	else {
		enviaefecha();
		return true;
	}
//	if((!validaemail(document.getElementById('mailremetente').id)) && (document.getElementById('nomeremetente').value) != "") && (document.getElementById('conteudomail').value) != "")) enviaefecha(); else return false;	
}


function confirmafechaform()
{
	if(trim(document.getElementById('nomeremetente').value) == '' && trim(document.getElementById('mailremetente').value) == '' && trim(document.getElementById('conteudomail').value) == '')
		hm('box');
	else if(confirm('Cancelar preenchimento do formuário?'))
		hm('box');
}