addEvent(window, 'load', initCorners);

  function initCorners() {
    var settings = {
      tl: { radius: 8 },
      tr: { radius: 8 },
      bl: { radius: 8 },
      br: { radius: 8 },
      antiAlias: true
    }
    //curvyCorners(settings, "#divmenu");
  }

function buscar()
{
	var busca = document.getElementById("busca").value;
	if ((busca=='') || (busca==null))
		alert('O campo de busca deve ser preenchido!');
	else if (busca.length<=3) 
		alert('A busca deve ter mais de 3 caracteres');
	else
		document.location.href='/busca.php?q=' + busca;
}

function checkEnter(e){
var characterCode
	 if(e && e.which){
	 e = e
	 characterCode = e.which
	 }
	 else{
	 e = event
	 characterCode = e.keyCode
	 }	 
	 if(characterCode == 13){
		 buscar();
 	 return false
	 }
return true
	
}