/**
 *
 * @access public
 * @return void
 **/
function efetuaLogin(){
	var login = document.flogin.login;
	var senha = document.flogin.senha;

	if(login.value == ''){
		alert('Por favor preencha o campo login');
		login.focus();
		return false;
	}
	if(senha.value == ''){
		alert('Por favor preencha o campo senha');
		senha.focus();
		return false;
	}
	document.flogin.submit();
}


function marcaCheckbox(el){
	if(el!=false){
		document.getElementById('checkmain').checked = el.checked;
		return true;
	}

	if(document.getElementById('checkmain').checked == 1){
   		for (i=0;i<document.f1.elements.length;i++){
      		if(document.f1.elements[i].type == "checkbox"){
         		document.f1.elements[i].checked=1;
        	}
    	}
	}else{
		for (i=0;i<document.f1.elements.length;i++){
      		if(document.f1.elements[i].type == "checkbox"){
         		document.f1.elements[i].checked=0;
        	}
    	}
	}
}