function remover_espacos(str){
    r = "";
    for(i = 0; i < str.length; i++){
      if(str.charAt(i) != ' ')
        r += str.charAt(i);
   }
   return r;
  }

function checkMail(mail){
        var er = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
        if(typeof(mail) == "string"){
                if(er.test(mail)){ return true; }
        }else if(typeof(mail) == "object"){
                if(er.test(mail.value)){ 
                                        return true; 
                                }
        }else{
                return false;
                }
}
  
   
	 $(document).ready(function(){
			

		$("#bt_enviar").click(function(){
			email = $("#txt_email").val();
			nome = $("#txt_nome").val();
			
			email = remover_espacos(email);

			if(checkMail(email))
			{	
				$.ajax({
					type: "POST",
					url: 'iNews.php',
					data: "nome="+$("#txt_nome").val()+"&email="+$("#txt_email").val(),
					success: function(html){
						alert(html);
					}
				});
			}else
			{
				alert('E-mail inválido!\nPor favor verifique se seu endereço de email está digitado corretamente.');
				$("#txt_email").val("").focus();
			}
		})	
	
		$("#concurso").mouseenter(function(){
				$("#sub_menu").stop(true,true).css("display","block");
		})
		
		$("#concurso").mouseleave(function(){
				$("#sub_menu").stop(true,true).css("display","none"); 
		})
		
		
			
		$("#sub_menu").mouseenter(function(){			
			$("#sub_menu").stop(true,true).css("display","block");
		})

		$("#sub_menu").mouseleave(function(){			
				$("#sub_menu").stop(true,true).css("display","none");
		})
		
		$("#quadro1").click(function(){			
				location.href="concurso.php?c=2";
		})
		
		$("#alt_cad").click(function(){			
			document.form12.submit();
		})
		
		$("#quadro2").click(function(){			
				location.href="noticias.php";
		})
		$(".quadros").hover(function(){
			$("#"+this.id).stop(true,true).animate({ opacity: 0.7 });
	
		},function(){

			$("#"+this.id).stop(true,true).animate({ opacity: 1 })
		
		})
		
		
		$("#menu span").click(function(){
				
			if(this.id != "concurso")	
				location.href = this.id+".php";

		});
		
	
		$("#btsim").click(function(){
			concurso = $("#btnao").attr("concurso");
			location.href = "login.php?c="+concurso;
		});
		$("#btnao").click(function(){
			concurso = $("#btnao").attr("concurso");
			location.href = "cadastro.php?c="+concurso;
		});	
		
		$("#btsim").mouseover(function(){
			$("#btsim").attr("src","img/pbbt_sim.png");
		});
		$("#btsim").mouseleave(function(){
			$("#btsim").attr("src","img/bt_sim.png");
		});

		$("#bbtnao").mouseover(function(){
			$("#bbtnao").attr("src","img/pbbt_nao.png");
		});
		$("#bbtnao").mouseleave(function(){
			$("#bbtnao").attr("src","img/bt_nao.png");
		});						
				
		
 });		
   
   function concurso(id)
   {
	   location.href= "concurso.php?c="+id;
   }