// JavaScript Document

function verCampos(frm) {
	if(frm.fromEmail.value!= '' && !(/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(frm.fromEmail.value))) {
		alert('e-mail do remetente incorreto');
		return false;
	}
	else if(frm.toEmail.value== '' || !(/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(frm.toEmail.value))) {
		alert('e-mail de destino incorreto');
		return false;
	}
	else {
		frm.submit();
		return true;
	}
}

function hideDivGaleria() {
	if(document.all) {
		style = document.all['divGaleria'].style;
		style.pixelTop = -1000;
		style.pixelLeft = -1000;		
	}
	else {
		style = document.getElementById('divGaleria').style;
		style.top = -1000 + 'px';
		style.left = -1000 + 'px';
	}
	style.visibility = 'hidden';
}

function exibeDivGaleria(evt,codigo) {
	if(document.all) {
		style = document.all['divGaleria'].style;
		//style.pixelTop = evt.y + document.body.scrollTop - 300;
		style.pixelTop = document.body.scrollTop + 100;
		//style.pixelLeft = evt.x - 350;
		style.pixelLeft = (document.body.offsetWidth - 500) / 2
	}
	else {
		style = document.getElementById('divGaleria').style;
		//style.top = evt.pageY + window.pageYOffset - 300 + 'px';
		style.top = window.pageYOffset + 100 + 'px';
		//style.left = evt.pageX - 350 + 'px';
		style.left = (window.innerWidth - 500) / 2 + 'px'
	}
	style.visibility = 'visible';	
	iFrGaleria.location.href='index.cfm?cd_pagina=2816&itemMateria=' + codigo;
}

// aumento e diminuicao da fonte
var menor = 10;
var maior = 17;
var atual = 0;
function diminuiFonte() {
	//alert($('.boxMateria').css('font-size'));
	atual = $('#divConteudo').css('font-size').replace('px','');
	if(atual>menor) {
		atual--;
		$('#divConteudo').css('font-size',atual);
	}
	//fonte do box
	if($('.boxMateria').css('font-size')!='undefined')
		$('.boxMateria').css('font-size',atual);
}
	
function aumentaFonte() {
	atual = $('#divConteudo').css('font-size').replace('px','');
	if(atual<maior) {
		atual++;
		$('#divConteudo').css('font-size',atual);
	}
	//fonte do box
	if($('.boxMateria').css('font-size')!='undefined')
		$('.boxMateria').css('font-size',atual);
}