var et_last_show = 0;
var top_level = 0;
function et_show(str,str2,level)
{
//        alert(str);
        var curdate = new Date();
        if((top_level < level)||((curdate.getTime() - et_last_show )>100))
        {
                overlib(str,CAPTION,str2);
                et_last_show = curdate.getTime();
                top_level = level;
        }
}