// JavaScript Document
function getCombos(tipo,id,obj,campo,page,limpa){
	if(limpa != ''){
		var limpaCampos	= limpa.toString().split(',');

		for(i=0;i<limpaCampos.length;i++){
			document.getElementById(limpaCampos[i]).innerHTML = '';
		}
	}
	var combo = GetXmlHttpObject();
	combo.open('POST',page,true);
	combo.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	combo.onreadystatechange=function(){
		if (combo.readyState==4){
			document.getElementById(campo).innerHTML = combo.responseText;
		}
	}
	combo.send("tp="+tipo+"&id1="+id+"&id2="+obj.value+"&tp2="+obj.id);
}