function validaEmail(email){

	

	var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;

	if(filter.test(email)){

	

		return true;

	

	}else{

	

		return false;

		

	}

}

function abreJanela(caminho, largura, altura){

	window.open(""+caminho+"","_blank","height = "+largura+", width = "+altura+", status=yes, scrollbars=yes, resizable=yes,");
}



function suporteAjax () {
  var req;
        
  try { req = new ActiveXObject("Microsoft.XMLHTTP"); }
  catch ( e ) {
        try { req = new ActiveXObject("Msxml2.XMLHTTP"); }
        catch ( ex ) {
          try { req = new XMLHttpRequest(); }
          catch ( exc ) {
                return false;
          }
        }
  }
        
  delete req;
}


function ucwords (str) {
    return (str + '').replace(/^([a-z])|\s+([a-z])/g, function ($1) {
        return $1.toUpperCase();
    });
}


// Resolvendo o bug do placeholder no IE
$(function(){
    
    //  Initialize auto-hint fields
    $('INPUT.auto-hint, TEXTAREA.auto-hint').focus(function(){
        if($(this).val() == $(this).attr('title')){ 
            $(this).val('');
            $(this).removeClass('auto-hint');
        }
    });
    
    $('INPUT.auto-hint, TEXTAREA.auto-hint').blur(function(){
        if($(this).val() == '' && $(this).attr('title') != ''){ 
            $(this).val($(this).attr('title'));
            $(this).addClass('auto-hint'); 
        }
    });
    
    $('INPUT.auto-hint, TEXTAREA.auto-hint').each(function(){
        if($(this).attr('title') == ''){ return; }
        if($(this).val() == ''){ $(this).val($(this).attr('title')); }
        else { $(this).removeClass('auto-hint'); } 
    });
});