function select_innerHTML(objeto,innerHTML){
/******
* select_innerHTML - corrige o bug do InnerHTML em selects no IE
* Veja o problema em: http://support.microsoft.com/default.aspx?scid=kb;en-us;276228
* Versão: 2.1 - 04/09/2007
* Autor: Micox - Náiron José C. Guimarães - micoxjcg@yahoo.com.br
* @objeto(tipo HTMLobject): o select a ser alterado
* @innerHTML(tipo string): o novo valor do innerHTML
*******/
    objeto.innerHTML = ""
    var selTemp = document.createElement("micoxselect")
    var opt;
    selTemp.id="micoxselect1"
    document.body.appendChild(selTemp)
    selTemp = document.getElementById("micoxselect1")
    selTemp.style.display="none"
    if(innerHTML.toLowerCase().indexOf("<option")<0){//se não é option eu converto
        innerHTML = "<option>" + innerHTML + "</option>"
    }
    innerHTML = innerHTML.replace(/<option/g,"<span").replace(/<\/option/g,"</span")
    selTemp.innerHTML = innerHTML
      
    
    for(var i=0;i<selTemp.childNodes.length;i++){
  var spantemp = selTemp.childNodes[i];
  
        if(spantemp.tagName){     
            opt = document.createElement("OPTION")
    
   if(document.all){ //IE
    objeto.add(opt)
   }else{
    objeto.appendChild(opt)
   }       
    
   //getting attributes
   for(var j=0; j<spantemp.attributes.length ; j++){
    var attrName = spantemp.attributes[j].nodeName;
    var attrVal = spantemp.attributes[j].nodeValue;
    if(attrVal){
     try{
      opt.setAttribute(attrName,attrVal);
      opt.setAttributeNode(spantemp.attributes[j].cloneNode(true));
     }catch(e){}
    }
   }
   //getting styles
   if(spantemp.style){
    for(var y in spantemp.style){
     try{opt.style[y] = spantemp.style[y];}catch(e){}
    }
   }
   //value and text
   opt.value = spantemp.getAttribute("value")
   opt.text = spantemp.innerHTML
   //IE
   opt.selected = spantemp.getAttribute('selected');
   opt.className = spantemp.className;
  } 
 }    
 document.body.removeChild(selTemp)
 selTemp = null
}

function updateTownList(cp){
if(cp != null && cp.length >= 3)
	{
		$('loadingTown').style.display = 'inline' ;
 		  new Ajax.Request('/ajax/towns.php?cp='+cp, {method: 'get', onComplete: function(transport){
     /*$('townSelect').innerHTML=transport.responseText;*/
     $('townSelect').options.length = 0 ;
     select_innerHTML($('townSelect'),transport.responseText);
     $('loadingTown').style.display = 'none'
    }
    });
 	}
}

function completeTownOptions(data)
{
	$('townSelect').options.length = 0 ;
	for (var i = 0 ; i < data.length ; i++)
	{
		var varOptionTmp = new Option(data[i].zipcode + ' - ' + data[i].town, data[i].id);
		$('townSelect').options[$('townSelect').options.length] = varOptionTmp;
	}
	
	for (var i = 0 ; i < $('townSelect').options.length ; i++)
		if($('townSelect').options[i].value == $('idTownHide').value)
		{
			$('townSelect').options[i].selected = true ;
			break ;
		}

	document.getElementById('loadingTown').style.display = 'none' ; 
}