function paginaInicial() {
	var obj = document.getElementById("inicial");
	if(obj.checked) {
		var data = new Date();
		data.setFullYear(data.getFullYear()+1);
		document.cookie = 'paginaInicial=' + location.href + ";Expires=" + data;
	}
	else
		document.cookie = 'paginaInicial=;';
}

var arrCookies = document.cookie.split(';');
var i = 0;
var sair = false;
while(i < arrCookies.length && !sair) {
    if(arrCookies[i].indexOf('paginaInicial='+ location.href) >= 0) {
	      document.getElementById("inicial").checked = true;
	      sair = true;
    }
    i++;
}