function checkForm(){

		var erros = 0;
		var nomeForm =	document.getElementById("contato");
		
		if(nomeForm.nome.value == ""){
			var nodeObj = document.getElementById('nome');
			nodeObj.style.border='2px solid red';		
			erros ++;

		}else{
			var nodeObj = document.getElementById('nome');
			nodeObj.style.border='1px solid #ccc';
		}
		
		if(!is_mail(nomeForm.email)){
			var nodeObj = document.getElementById('email');
			nodeObj.style.border='2px solid red';			
			erros ++;

		}else{
			var nodeObj = document.getElementById('email');
			nodeObj.style.border='1px solid #ccc';
		}
		
		if(nomeForm.telefone.value == ""){
			var nodeObj = document.getElementById('telefone');
			nodeObj.style.border='2px solid red';		
			erros ++;

		}else{
			var nodeObj = document.getElementById('telefone');
			nodeObj.style.border='1px solid #ccc';
		}
		
		if(nomeForm.assunto.value == ""){
			var nodeObj = document.getElementById('assunto');
			nodeObj.style.border='2px solid red';			
			erros ++;

		}else{
			var nodeObj = document.getElementById('assunto');
			nodeObj.style.border='1px solid #ccc';
		}		
		
		if(nomeForm.mensagem.value == ""){
			var nodeObj = document.getElementById('mensagem');
			nodeObj.style.border='2px solid red';			
			erros ++;

		}else{
			var nodeObj = document.getElementById('mensagem');
			nodeObj.style.border='1px solid #ccc';
		}		
		
		if (erros > 0) {		
			return false;
		}else{
			nomeForm.submit();
		}
}