function clearText(thefield) {
    if (thefield.defaultValue == thefield.value)
        thefield.value = "";
}
function fillText(thefield, theText) {
    if (thefield.value == "")
        thefield.value = theText;
}

function mostrar(objeto) {
    for (i = 2; i <= 1; i = i + 1) {

        document.getElementById('m-' + i).style.display = "none";
    }
    if (document.getElementById(objeto).style.display == "") {
        //document.getElementById(objeto).style.display="none"; 
    }
    else {
        document.getElementById(objeto).style.display = "";
    }
}

function ocultar() {
    document.getElementById('m-1').style.display = "none";
    document.getElementById('m-2').style.display = "none";
}

function pviiClassNew(obj, new_style) {
    obj.className = new_style;
}




/***********************************************
* Contractible Headers script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use. Last updated Mar 23rd, 2004.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var enablepersist = "off";  //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious = "yes";  //Collapse previously open content when opening present? (yes/no)

if (document.getElementById) {
    document.write('<style type="text/css">');
    document.write('.switchcontent{display:none;}');
    document.write('</style>');
}

function getElementbyClass(classname) {
    ccollect = new Array();
    var inc = 0;
    var alltags = document.all ? document.all : document.getElementsByTagName("*");
    for (i = 0; i < alltags.length; i++) {
        if (alltags[i].className == classname)
            ccollect[inc++] = alltags[i];
    }
}

function contractcontent(omit) {
    var inc = 0
    while (ccollect[inc]) {
        if (ccollect[inc].id != omit)
            ccollect[inc].style.display = "none";
        inc++;
    }
}

function expandcontent(cid) {
    if (typeof ccollect != "undefined") {
        if (collapseprevious == "yes")
            contractcontent(cid);
        if (document.getElementById(cid) != null)
            document.getElementById(cid).style.display = (document.getElementById(cid).style.display != "block") ? "block" : "block";
    }
}

function revivecontent() {
    contractcontent("omitnothing");
    selectedItem = getselectedItem();
    selectedComponents = selectedItem.split("|");
    for (i = 0; i < selectedComponents.length - 1; i++)
        document.getElementById(selectedComponents[i]).style.display = "block";
}

function get_cookie(Name) {
    var search = Name + "=";
    var returnvalue = "";
    if (document.cookie.length > 0) {
        offset = document.cookie.indexOf(search);
        if (offset != -1) {
            offset += search.length;
            end = document.cookie.indexOf(";", offset);
            if (end == -1) end = document.cookie.length;
            returnvalue = unescape(document.cookie.substring(offset, end));
        }
    }
    return returnvalue;
}

function getselectedItem() {
    if (get_cookie(window.location.pathname) != "") {
        selectedItem = get_cookie(window.location.pathname);
        return selectedItem;
    }
    else
        return "";
}

function saveswitchstate() {
    var inc = 0, selectedItem = ""
    while (ccollect[inc]) {
        if (ccollect[inc].style.display == "block")
            selectedItem += ccollect[inc].id + "|";
        inc++;
    }

    document.cookie = window.location.pathname + "=" + selectedItem;
}

function do_onload() {

    uniqueidn = window.location.pathname + "firsttimeload";
    getElementbyClass("switchcontent");
    if (enablepersist == "on" && typeof ccollect != "undefined") {
        document.cookie = (get_cookie(uniqueidn) == "") ? uniqueidn + "=1" : uniqueidn + "=0";
        firsttimeload = (get_cookie(uniqueidn) == 1) ? 1 : 0;  //check if this is 1st page load
        if (!firsttimeload)
            revivecontent();
    }

}


if (window.addEventListener)
    window.addEventListener("load", do_onload, false);
else if (window.attachEvent)
    window.attachEvent("onload", do_onload);
else if (document.getElementById)
    window.onload = do_onload;

if (enablepersist == "on" && document.getElementById)
    window.onunload = saveswitchstate;