function delChecked(nmForm,nmCampo,msgDel, msg){
	obj = document[nmForm][nmCampo];
	selectedd = false;
	if (obj.length){
		for (c=0;c<obj.length;c++){
			if (obj[c].checked){
				selectedd = true;
				break;
			}
		}
	}else{
		selectedd = obj.checked;
	}
	if (selectedd){
		if (confirm(msgDel)){
			document[nmForm].submit();
			return true;
		}else{
			return false;
		}
	}else{
		alert(msg);	
		return false;
	}
	
}