// JScript File

/* standard small functions */
function $m(quem)
{ return document.getElementById(quem)
}
function remove(quem){ quem.parentNode.removeChild(quem);
}
function addEvent(obj, evType, fn){
 // elcio.com.br/crossbrowser    
    if (obj.addEventListener)       
         obj.addEventListener(evType, fn, true)   
    if (obj.attachEvent)       
         obj.attachEvent("on"+evType, fn)
}
function removeEvent( obj, type, fn ) {
    if ( obj.detachEvent ) {   
     obj.detachEvent( 'on'+type, fn ); 
     } else {    
     obj.removeEventListener( type, fn, false ); }
} 
/* THE UPLOAD FUNCTION */
function micoxUpload(form,url_action,id_element,html_show_loading,html_error_http){
/******* micoxUpload - Submit a form to hidden iframe. Can be used to upload
* Use but dont remove my name. Creative Commons.
* Versão: 1.0 - 03/03/2007 - Tested no FF2.0 IE6.0 e OP9.1
* Author: Micox - Náiron JCG - elmicoxcodes.blogspot.com - micoxjcg@yahoo.com.br
* Parametros:
* form - the form to submit or the ID
* url_action - url to submit the form. like action parameter of forms.
* id_element - element that will receive return of upload.
* html_show_loading - Text (or image) that will be show while loading
* html_error_http - Text (or image) that will be show if HTTP error.
*******/ 
//testing if 'form' is a html object or a id string 
form = typeof(form)=="string"?$m(form):form;  

var erro=""; 
if(form==null || typeof(form)=="undefined"){ erro += "The form of 1st parameter does not exists.\n";} 
else if(form.nodeName.toLowerCase()!="form"){ erro += "The form of 1st parameter its not a form.\n";}
if($m(id_element)==null){ erro += "The element of 3rd parameter does not exists.\n";} 
if(erro.length>0) { 
     alert("Error in call micoxUpload:\n" + erro);  
     return; 
} 
//creating the iframe 
var iframe = document.createElement("iframe"); 
iframe.setAttribute("id","micox-temp"); 
iframe.setAttribute("name","micox-temp"); 
iframe.setAttribute("width","0"); 
iframe.setAttribute("height","0"); 
iframe.setAttribute("border","0"); 
iframe.setAttribute("style","width: 0; height: 0; border: none;");  

//add to document 
form.parentNode.appendChild(iframe); 
window.frames['micox-temp'].name="micox-temp"; //ie sucks  

//add event 
var carregou = function() {    
    removeEvent( $m('micox-temp'),"load", carregou);   
    var cross = "javascript: ";   
    cross += "window.parent.$m('" + id_element + "').innerHTML = document.body.innerHTML; void(0); ";     
    
    $m(id_element).innerHTML = html_error_http;   
    $m('micox-temp').src = cross;   
    //del the iframe  
     setTimeout(function(){ remove($m('micox-temp'))}, 250); 
 } 
 addEvent( $m('micox-temp'),"load", carregou)  
 
 //properties of form 
 form.setAttribute("target","micox-temp"); 
 form.setAttribute("action",url_action); 
 form.setAttribute("method","post"); 
 form.setAttribute("enctype","multipart/form-data"); 
 form.setAttribute("encoding","multipart/form-data"); 
 //submit 
 form.submit();  
 
 //while loading 
 if(html_show_loading.length > 0){  
 $m(id_element).innerHTML = html_show_loading; 
 } 
 
}