$(document).ready(function(){
	$("#sala-virtual form").hide();
	$("#menu ul").hide();
	$("#sala-virtual").hover(
		function(){
			$( this ).find('form').slideDown('slow');
			/*$("#topo form select").hide();
			$("#topo form .submit").hide();*/
		},
		function(){
			$( this ).find('form').slideUp('fast');
			/*$("#topo form select").show();
			$("#topo form .submit").show();*/
		}
	);
	$("#menu li").hover(
		function(){
			$( this ).find('ul').slideDown('slow');
		},
		function(){
			$( this ).find('ul').slideUp('fast');		
		}
	);
	
	$("#faixa li").hover(
		function(){
			$( this ).css({overflow: 'visible', marginTop: '-10px'});
		},
		function(){
			$( this ).css({overflow: 'hidden', marginTop: '0px'});
		}
	);
	
	limpa('q', 'Busque aqui');
	limpa('textfield2', 'Login');
	limpa('textfield32', 'Senha');
	limpa('SMT_NOME', 'Seu nome');
	limpa('SMT_MAIL', 'Seu e-mail');
	
	
});
function limpa( el, def, type )
{
	var type = ( type==undefined ) ? 'input' : type;
	
	$(type+"[name='"+el+"']").focus(function(){
		if( $(this).val() == def )
			$( this ).val('');
	});
	$(type+"[name='"+el+"']").blur(function(){
		if( $(this).val() == '' )
			$( this ).val( def );
	});
}

function urlencode(str) {

    var histogram = {}, tmp_arr = [];
    var ret = (str+'').toString();

    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };

    // The histogram is identical to the one in urldecode.
    histogram["'"]   = '%27';
    histogram['(']   = '%28';
    histogram[')']   = '%29';
    histogram['*']   = '%2A';
    histogram['~']   = '%7E';
    histogram['!']   = '%21';
    histogram['%20'] = '+';
    histogram['\u20AC'] = '%80';
    histogram['\u0081'] = '%81';
    histogram['\u201A'] = '%82';
    histogram['\u0192'] = '%83';
    histogram['\u201E'] = '%84';
    histogram['\u2026'] = '%85';
    histogram['\u2020'] = '%86';
    histogram['\u2021'] = '%87';
    histogram['\u02C6'] = '%88';
    histogram['\u2030'] = '%89';
    histogram['\u0160'] = '%8A';
    histogram['\u2039'] = '%8B';
    histogram['\u0152'] = '%8C';
    histogram['\u008D'] = '%8D';
    histogram['\u017D'] = '%8E';
    histogram['\u008F'] = '%8F';
    histogram['\u0090'] = '%90';
    histogram['\u2018'] = '%91';
    histogram['\u2019'] = '%92';
    histogram['\u201C'] = '%93';
    histogram['\u201D'] = '%94';
    histogram['\u2022'] = '%95';
    histogram['\u2013'] = '%96';
    histogram['\u2014'] = '%97';
    histogram['\u02DC'] = '%98';
    histogram['\u2122'] = '%99';
    histogram['\u0161'] = '%9A';
    histogram['\u203A'] = '%9B';
    histogram['\u0153'] = '%9C';
    histogram['\u009D'] = '%9D';
    histogram['\u017E'] = '%9E';
    histogram['\u0178'] = '%9F';

    // Begin with encodeURIComponent, which most resembles PHP's encoding functions
    ret = encodeURIComponent(ret);

    for (search in histogram) {
        replace = histogram[search];
        ret = replacer(search, replace, ret) // Custom replace. No regexing
    }

    // Uppercase for full PHP compatibility
    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
        return "%"+m2.toUpperCase();
    });

    return ret;
    }
	
function valida(){
	var nome = document.getElementById('nome_news').value;
	var email = document.getElementById('email_news').value;
	if(nome == "" || nome == "Seu nome"){
		alert('Preencha o campo Seu nome')
		return false;
	}
	else if(email == "" || email == "Seu e-mail"){
		alert('Preencha o campo Seu e-mail')
		return false;
	}
	
}
function valida2(){
	var nome = document.getElementById('nome_news2').value;
	var email = document.getElementById('email_news2').value;
	if(nome == "" || nome == "Seu nome"){
		alert('Preencha o campo Seu nome')
		return false;
	}
	else if(email == "" || email == "Seu e-mail"){
		alert('Preencha o campo Seu e-mail')
		return false;
	}
	
}