function ajax_popup(pagina, largura)
{
    force_popupOff=null;
    var vidro=document.createElement('div');
    vidro.setAttribute('id','vidro_transparente');
    vidro.onclick=function(){ajax_force_popupOff();
        parent.force_popupOff=0;
    };
    var corpo=document.body;
    corpo.appendChild(vidro);document.getElementById('vidro_transparente').style.backgroundImage='url(/js/popup/overlay.png)';
    document.getElementById('vidro_transparente').style.overflow='visible';
    document.getElementById('vidro_transparente').style.position='fixed';
    document.getElementById('vidro_transparente').style.top='0px';
    document.getElementById('vidro_transparente').style.left='0px';
    document.getElementById('vidro_transparente').style.bottom='0px';
    document.getElementById('vidro_transparente').style.right='0px';
    document.getElementById('vidro_transparente').style.zIndex='100';
    var html=document.createElement('div');
    html.setAttribute('id','ajax_popup');
    html.onclick=function(){parent.force_popupOff=1;};
    var tagPai=document.getElementById('vidro_transparente');
    tagPai.appendChild(html);
    document.getElementById('ajax_popup').style.border='1px solid #444444';
    document.getElementById('ajax_popup').style.background='#ffffff';
    document.getElementById('ajax_popup').style.width=largura+'px';
    document.getElementById('ajax_popup').style.top='200px';
    document.getElementById('ajax_popup').style.margin='50px auto 0px auto';
    document.getElementById('ajax_popup').style.padding='15px';
    ajaxHTML('ajax_popup',pagina);
    function getXmlHttp(){
        var xmlhttp;
        try {
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        } catch(e) {
            try{xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
            }catch(ex){
                try{xmlhttp = new XMLHttpRequest();
                }catch(exc){
                    alert('Esse browser não tem recursos para uso do Ajax');
                    xmlhttp = null;}}}	
                    return xmlhttp;}
                    function ajaxHTML(id,url){var xmlhttp = getXmlHttp();xmlhttp.open("GET",url, true);xmlhttp.setRequestHeader("Content-Type", "text/html; charset=iso-8859-1");xmlhttp.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate");xmlhttp.setRequestHeader("Charset","UTF-8");xmlhttp.setRequestHeader("Cache-Control", "post-check=0, pre-check=0");xmlhttp.setRequestHeader("Pragma", "no-cache");xmlhttp.onreadystatechange = function(){if(xmlhttp.readyState == 4 ){codigo = xmlhttp.responseText;codigo = codigo.replace(String.fromCharCode(13) + String.fromCharCode(10), "");document.getElementById(id).innerHTML=''+codigo;extraiScript(codigo);document.getElementById(id).innerHTML=document.getElementById(id).innerHTML+'<span style="clear:both;height:0px;display:block;"></span>';}}
xmlhttp.send(null);}function extraiScript(texto){var ini = 0;while (ini!=-1){ini = texto.indexOf('<script', ini);if (ini >=0){ini = texto.indexOf('>', ini) + 1;var fim = texto.indexOf('</script>', ini);codigo = texto.substring(ini,fim);novo = document.createElement('script');novo.type = 'text/javascript';novo.text = codigo; document.body.appendChild(novo);}}}function ajax_force_popupOff(){if(parent.force_popupOff!=1) ajax_popupOff();}}function ajax_popupOff(){	var corpo=document.body;corpo.removeChild(document.getElementById('vidro_transparente'));}