/*
	FUNÇÃO QUE ACEITA APENAS CARACTERES NUMÉRICOS
	Ideal para CEP, CPF, CNPJ
	 onkeypress="return apenasNum(e)"
*/

function number(obj){
	//value = obj.value;
	//obj.value = value.replace(/\D/g,''); 
}

function apenasNum(e){
   //alert('');
	var kc;  
	try {
		e = event;//IE	
	} catch(e){
		
	}	
	var kc = e.keyCode ? e.keyCode : (e.which ? e.which : e.charCode);
	//alert(kc);   
	/*
	if (e.keyCode) { // IE  
		kc = e.keyCode;  
	} else if (e.which) { // Firefox  
		kc = e.which;  
	} */   
   //if ((kc == 9) || (kc == 8) || (kc == 48) || ((kc >= 35) && (kc <= 39)) || ((kc >= 65) && (kc <= 90)) || ((kc >= 97) && (kc <= 122)) || (kc == 32))
   if ((kc == 9) || (kc == 8) || (kc == 48) || ((kc >= 48) && (kc <= 57)) || (kc == 32)){
      e.returnValue = true;
   } else {
      if (document.all){
          e.cancelBubble = true;
          e.returnValue = false;
      }else{
           e.preventDefault();
           e.stopPropagation();
      }
  }
  return true;
}