$(function(){
	$("#txt_busca").focus(retiraNome).blur(voltaNome);

	$("#btn_buscar").click(function(){
		if ($("#txt_busca").val().length == 0) {
			$("#txt_busca").focus();
			return false;
		}
		vai("photos.php?lang="+$_get('lang')+"&desc="+$("#txt_busca").val());	
	});
	
	$("#btn_logar_sistema").click(function(){
		if ($("#usuario").val().length == 0) {
			alert(AlertVldUsuario);
			$("#usuario").focus();
			return false;
		}
		if ($("#senha").val().length == 0) {
			alert(AlertVldSenha);
			$("#senha").focus();
			return false;
		}
		$.ajax({
			url:"e-commerce/actions/login.php",
			//dataType:"text",
			type: "POST",
			data: 'usuario='+$('#usuario').val()+'&senha='+$('#senha').val(), 
			success:function(responseText) {
				alert(responseText)
			}
		});		
	});
});

function retiraNome(){ 
	var field = this;
    if(field.value==field.defaultValue){ 
        field.style.color = "#000000"; 
        field.value=""; 
    } 
} 
function voltaNome(){ 
	var field = this;
    if(field.value==""){ 
        field.value=field.defaultValue; 
        field.style.color = "#666666"; 
    } 
}