function addEvent(obj, evType, fn){if (obj.addEventListener){obj.addEventListener(evType, fn, true);return true;} else if (obj.attachEvent){var r = obj.attachEvent("on"+evType, fn);return r;} else {return false;}}function getElm(id){return (document.all) ? document.all[id] : document.getElementById(id);}var textareaValue = "<sugestões, críticas e/ou elogios>";addEvent ( window, 'load', function(){getElm('comment').value = textareaValue;return false;});addEvent ( getElm('comment'), 'focus', function(){var self = getElm('comment');if ( self.value == textareaValue ) self.value = '';return false;});addEvent ( getElm('comment'), 'blur', function(){var self = getElm('comment');if ( self.value == '' )self.value = textareaValue;return false;});function doPostFormContato(){var name= getElm('name');var email = getElm('email');var msg = getElm('comment');if ( name.value == '' ){alert ( 'Digite seu nome!' );name.focus();return false;}if ( email.value == '' ){alert ( 'Digite seu email!' );email.focus();return false;} else {if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email.value))){alert("É necessário o preenchimento de um endereço de e-mail válido.");email.focus();return false;}}if ( msg.value == textareaValue || msg.value == '' ) { alert ( "Digite sua sugestão, crítica e/ou elogio!" ); msg.focus(); return false; }return true;}