source: admin/WebConsole/asistentes/jscripts/asistentes.js @ cd1f048

// ***********************************************************************************************************
// Libreria de scripts de Javascript
// Autor: 
// Fecha Creación: 2011
// Fecha Última modificación: enero-2011
// Nombre del fichero: asistentes.js
// Descripción : 
//              Este fichero implementa las funciones javascript del fichero AsistentesEjecutarScripts.php (Comandos)
// ***********************************************************************************************************

function codeCloneRemotePartition(form){
switch (form.idmetodo.value)
{
        case "MULTICAST":
                protocol="MULTICAST " + form.mcastpuerto.value  + ":" + form.mcastmodo.value + ":" + form.mcastdireccion.value + ":" + form.mcastvelocidad.value + "M:" + form.mcastnclien.value + ":" + form.mcastseg.value + " ";
                break;
        case "UNICAST":
                protocol="UNICAST " +  form.ucastport.value + ":" + form.ucastclient.value + " ";
                break;
}
//form.codigo.value="cloneRemoteFromMaster " + form.ipMaster.value + " 1 " + form.PartOrigen.value + "  " + form.mcastpuerto.value  + ":" + form.mcastmodo.value + ":" + form.mcastdireccion.value + ":" + form.mcastvelocidad.value + "M:" + form.mcastnclien.value + ":" + form.mcastseg.value + " 1 " + form.PartOrigen.value + " " + form.tool.value + " " + form.compresor.value;
command="cloneRemoteFromMaster " + form.ipMaster.value + " " + form.source.value + "  " + protocol  + " " + form.targetpart.value + " " + form.tool.value + " " + form.compresor.value;
form.codigo.value="\
echo \"[0] $MSG_SCRIPTS_TASK_START " + command + " \" | tee -a $OGLOGFILE $OGLOGSESSION \n " +
command + " | tee -a $OGLOGCOMMAND \n ";
//cloneRemoteFromMaster " + form.ipMaster.value + " " + form.source.value + "  " + protocol  + " " + form.targetpart.value + " " + form.tool.value + " " + form.compresor.value + " | tee -a $OGLOGCOMMAND \n";
//form.codigo.value="cloneRemoteFromMaster " + form.ipMaster.value + " " + form.source.value + "  " + protocol  + " " + form.targetpart.value + " " + form.tool.value + " " + form.compresor.value;
}

function codeDeployImage(form){
switch (form.idmetodo.value)
{
        case "MULTICAST":
                protocol="MULTICAST " + form.mcastpuerto.value  + ":" + form.mcastmodo.value + ":" + form.mcastdireccion.value + ":" + form.mcastvelocidad.value + "M:" + form.mcastnclien.value + ":" + form.mcastseg.value + " ";
                break;
        case "TORRENT":
                protocol=" TORRENT " +  form.modp2p.value + ":" + form.timep2p.value;
                break;
        case "UNICAST":
                protocol=" UNICAST";
                break;
}
//form.codigo.value="deployImage REPO /";
if (form.modo[0].checked) 
{
        // UHU - Distinguimos entre disco y particion, el valor de idparticion sera disco;particion. eje. 1;1
        var diskPart = form.idparticion.value.split(";");
        command="deployImage REPO /" + form.idimagen.value + " "+diskPart[0]+" " + diskPart[1] + " " + protocol  ;
        form.codigo.value="\
echo [0] $MSG_SCRIPTS_TASK_START " + command +" | tee -a $OGLOGSESSION \n \ " +
command + " | tee -a $OGLOGCOMMAND";
        //form.codigo.value="deployImage REPO /" + form.idimagen.value + " 1 " + form.idparticion.value + " " + protocol  ;
}
else
{
        command="updateCache REPO /" + form.idimagen.value + ".img" + " " + protocol  ;
        form.codigo.value="\
echo [0] $MSG_SCRIPTS_TASK_START " + command +" | tee -a $OGLOGSESSION \n \ " +
command + " | tee -a $OGLOGCOMMAND";            
        //form.codigo.value="updateCache REPO /" + form.idimagen.value + ".img" + " " + protocol  ;
}

}

function codeParticionado(form){
        var n_disk = form.n_disk.value;
        var tipo_part_table = form.tipo_part_table.value;
        // Comprobamos si la opcion elejida es GPT o MSDOS para llamar a una funcion u otra
        if(tipo_part_table == "GPT"){
                codeParticionadoGPT(form);
        }
        else{
                codeParticionadoMSDOS(form);
        }
}


function codeParticionadoMSDOS (form) {
        var partCode="";
        var logicalCode="";
        var cacheCode;
        var cacheSize;
        var extended=false;
        var n_disk = form.n_disk.value;
        var tipo_part_table = form.tipo_part_table.value;
        var maxParts = 4;
        
        // Comprobamos si esta seleccionada la cuarta particion y no es CACHE
        if(form.check4.checked && form.part4.value != "CACHE")
                maxParts = 5;

        for (var nPart=1; nPart<maxParts; nPart++) {
                var partCheck=eval("form.check"+nPart);
                if (partCheck.checked) {
                        var partType=eval("form.part"+nPart);
                        if (partType.value == "CUSTOM" ) {
                                var partTypeCustom=eval("form.part"+nPart+"custom");
                                partCode += " " + partTypeCustom.value;
                                if (partTypeCustom.value == "EXTENDED") {
                                        extended=true;
                                }
                        } else {
                                partCode += " " + partType.value;
                                if (partType.value == "EXTENDED") {
                                        extended=true;
                                }
                        }
                        var partSize=eval("form.size"+nPart);
                        if (partSize.value == "CUSTOM" ) {
                                var partSizeCustom=eval("form.size"+nPart+"custom");
                                partCode += ":" + partSizeCustom.value;
                        } else {
                                partCode += ":" + partSize.value;
                        }
                } else {
                        partCode += " EMPTY:0";
                }
        }

        var cacheCode="";

        // Si se selecciono la particion 4 y es CACHE
        if(form.part4.value == "CACHE"){
                if (form.check4.checked) {
                        if (form.size4.value == "0") {
                                cacheCode="\
echo \"[20] $MSG_HELP_ogGetPartitionSize CACHE\" | tee -a $OGLOGSESSION \n \
sizecache=`ogGetCacheSize` \n \
echo \"[30] $MSG_HELP_ogDeletePartitionTable - $MSG_HELP_ogUpdatePartitionTable 1\" | tee -a $OGLOGSESSION \n \
ogDeletePartitionTable "+n_disk+"  \n \
ogUpdatePartitionTable "+n_disk+" | tee -a $OGLOGCOMMAND \n \
echo \"[50] $MSG_HELP_ogCreateCache \" | tee -a $OGLOGSESSION \n \
initCache "+n_disk+" $sizecache  &>/dev/null  | tee -a $OGLOGCOMMAND \n ";              
                        } else {
                                if (form.size4.value == "CUSTOM") { 
                                        cacheSize = form.size4custom.value; 
                                } else {
                                        cacheSize = form.size4.value;
                                } 
                                cacheCode="\
echo \"[30] $MSG_HELP_ogDeletePartitionTable - $MSG_HELP_ogUpdatePartitionTable 1\" | tee -a $OGLOGSESSION \n \
ogDeletePartitionTable "+n_disk+"  \n \
ogUpdatePartitionTable "+n_disk+" \n \
echo \"[50]  $MSG_HELP_ogCreateCache \" | tee -a $OGLOGSESSION \n \
initCache " + n_disk + " " + cacheSize + " &>/dev/null  | tee -a $OGLOGCOMMAND";        
                        } 
                } else {
                        cacheCode="\
echo \"[30] $MSG_HELP_ogDeletePartitionTable - $MSG_HELP_ogUpdatePartitionTable 1\" | tee -a $OGLOGSESSION \n \
ogDeletePartitionTable "+n_disk+" \n \
ogUpdatePartitionTable "+n_disk+" \n";
partCode += " EMPTY:0";
                }
        }

        if (extended) {
                var lastLogical=5;
                for (var nPart=9; nPart>5; nPart--) {
                        if (eval ("form.check"+nPart+".checked")) {
                                lastLogical = nPart;
                                break;
                        }
                }
                for (var nPart=5; nPart<=lastLogical; nPart++) {
                        var partCheck=eval("form.check"+nPart);
                        if (partCheck.checked) {
                                var partType=eval("form.part"+nPart);
                                if (partType.value == "CUSTOM" ) {
                                        var partTypeCustom=eval("form.part"+nPart+"custom");
                                        logicalCode += " " + partTypeCustom.value;
                                } else {
                                        logicalCode += " " + partType.value;
                                }
                                var partSize=eval("form.size"+nPart);
                                if (partSize.value == "CUSTOM" ) {
                                        var partSizeCustom=eval("form.size"+nPart+"custom");
                                        logicalCode += ":" + partSizeCustom.value;
                                } else {
                                        logicalCode += ":" + partSize.value;
                                }
                        } else {
                                logicalCode += " EMPTY:0";
                        }
                }
                partCode += logicalCode;
        }

        form.codigo.value="\
ogCreatePartitionTable "+n_disk+" "+tipo_part_table +" \n \
echo \"[0]  $MSG_HELP_ogCreatePartitions \" | tee -a $OGLOGSESSION $OGLOGFILE \n \
echo \"[10] $MSG_HELP_ogUnmountAll "+n_disk+"\" | tee -a $OGLOGSESSION \n \
ogUnmountCache \n \
ogUnmountAll "+n_disk+" \n  \
" + cacheCode + " \n \
echo \"[60] $MSG_HELP_ogListPartitions "+n_disk+"\" | tee -a $OGLOGSESSION \n \
ogListPartitions "+n_disk+" | tee -a $OGLOGCOMMAND $OGLOGSESSION \n \
echo \"[70] $MSG_HELP_ogCreatePartitions  " + partCode + " \" | tee -a $OGLOGSESSION \n \
ogCreatePartitions "+n_disk+" " + partCode + " | tee -a $OGLOGCOMMAND \n \
echo \"[80] $MSG_HELP_ogSetPartitionActive "+n_disk+" 1\" | tee -a $OGLOGSESSION \n \
ogSetPartitionActive "+n_disk+" 1 \n \
echo \"[100] $MSG_HELP_ogListPartitions  "+n_disk+"\" | tee -a $OGLOGSESSION $OGLOGFILE \n \
ogUpdatePartitionTable "+n_disk+" \n \
ms-sys /dev/sda | grep unknow && ms-sys /dev/sda \n \
ogListPartitions "+n_disk+" | tee -a $OGLOGCOMMAND $OGLOGSESSION $OGLOGFILE \n \
reboot \n";
}


function codeParticionadoGPT (form) {
        var partCode="";
        var logicalCode="";
        var cacheCode="";
        var cacheSize;
        var extended=false;
        var n_disk = form.n_disk.value;
        var tipo_part_table = form.tipo_part_table.value;
                numParts=document.getElementById("numGPTpartitions").value;
                
        for (var nPart=1; nPart <= numParts; nPart++) {
                var partCheck=eval("form.checkGPT"+nPart);
                if (partCheck.checked) {
                        // Distinguimos entre cache y el resto de particiones
                        // Solo tratamos la particion 4 como cache, si se selecciono este tipo
                        if(nPart == 4 && form.partGPT4.value == "CACHE") {
                                if (form.sizeGPT4.value == "0") {
                                        cacheCode="\
echo \"[20] $MSG_HELP_ogGetPartitionSize CACHE\" | tee -a $OGLOGSESSION \n \
sizecache=`ogGetCacheSize` \n \
echo \"[30] $MSG_HELP_ogDeletePartitionTable - $MSG_HELP_ogUpdatePartitionTable 1\" | tee -a $OGLOGSESSION \n \
ogDeletePartitionTable "+n_disk+"  \n \
ogUpdatePartitionTable "+n_disk+" | tee -a $OGLOGCOMMAND \n \
echo \"[50] $MSG_HELP_ogCreateCache \" | tee -a $OGLOGSESSION \n \
initCache "+ n_disk +" $sizecache  &>/dev/null  | tee -a $OGLOGCOMMAND \n ";
                                } else {
                                        if (form.sizeGPT4.value == "CUSTOM") {
                                                cacheSize = form.sizeGPT4custom.value;
                                        } else {
                                                cacheSize = form.sizeGPT4.value;
                                        }
                                        cacheCode="\
echo \"[30] $MSG_HELP_ogDeletePartitionTable - $MSG_HELP_ogUpdatePartitionTable 1\" | tee -a $OGLOGSESSION \n \
ogDeletePartitionTable "+n_disk+"  \n \
ogUpdatePartitionTable "+n_disk+" \n \
echo \"[50]  $MSG_HELP_ogCreateCache \" | tee -a $OGLOGSESSION \n \
initCache "  + n_disk +" "+ cacheSize + " &>/dev/null  | tee -a $OGLOGCOMMAND";
                                }
                        } else{
                                var partType=eval("form.partGPT"+nPart);
                                if (partType.value == "CUSTOM" ) {
                                        var partTypeCustom=eval("form.partGPT"+nPart+"custom");
                                        partCode += " " + partTypeCustom.value;
                                } else {
                                        partCode += " " + partType.value;
                                }
                                var partSize=eval("form.sizeGPT"+nPart);
                                if (partSize.value == "CUSTOM" ) {
                                        var partSizeCustom=eval("form.sizeGPT"+nPart+"custom");
                                        partCode += ":" + partSizeCustom.value;
                                } else {
                                        partCode += ":" + partSize.value;
                                }
                        }
                } else {
                        if(nPart == 4){
                                cacheCode="\
echo \"[30] $MSG_HELP_ogDeletePartitionTable - $MSG_HELP_ogUpdatePartitionTable 1\" | tee -a $OGLOGSESSION \n \
ogDeletePartitionTable "+n_disk+" \n \
ogUpdatePartitionTable "+n_disk+" \n";
partCode += " EMPTY:0";
                        } else{
                                partCode += " EMPTY:0";
                        }
                }
        }
        form.codigo.value="\
ogCreatePartitionTable "+n_disk+" "+tipo_part_table +" \n \
echo \"[0]  $MSG_HELP_ogCreatePartitions \" | tee -a $OGLOGSESSION $OGLOGFILE \n \
echo \"[10] $MSG_HELP_ogUnmountAll "+n_disk+"\" | tee -a $OGLOGSESSION \n \
ogUnmountCache \n \
ogUnmountAll "+n_disk+" \n  \
" + cacheCode + " \n \
echo \"[60] $MSG_HELP_ogListPartitions "+n_disk+"\" | tee -a $OGLOGSESSION \n \
ogListPartitions "+n_disk+" | tee -a $OGLOGCOMMAND $OGLOGSESSION \n \
echo \"[70] $MSG_HELP_ogCreatePartitions  " + partCode + " \" | tee -a $OGLOGSESSION \n \
ogCreatePartitions "+n_disk+" " + partCode + " | tee -a $OGLOGCOMMAND \n \
echo \"[80] $MSG_HELP_ogSetPartitionActive "+n_disk+" 1\" | tee -a $OGLOGSESSION \n \
ogSetPartitionActive "+n_disk+" 1 \n \
echo \"[100] $MSG_HELP_ogListPartitions  "+n_disk+"\" | tee -a $OGLOGSESSION $OGLOGFILE \n \
ogUpdatePartitionTable "+n_disk+" \n \
ms-sys /dev/sda | grep unknow && ms-sys /dev/sda \n \
ogListPartitions "+n_disk+" | tee -a $OGLOGCOMMAND $OGLOGSESSION $OGLOGFILE \n \
reboot \n";
}


function showPartitionForm (tipo_table_part) {
        document.getElementById("form"+tipo_table_part).style.display="inline";
        if(tipo_table_part == "MSDOS"){
                // De los dos tipos, se oculta el otro
                document.getElementById("formGPT").style.display="none";
        } else{
                document.getElementById("formMSDOS").style.display="none";
        }
}


// Código de pulsación de selección de partición.
function clickPartitionCheckbox (form, npart, isGPT) {
        // Si el parametro no esta definido, se toma como false
        isGPT = (isGPT)?isGPT:"false";
        if(isGPT == true){
                prefix="GPT";
        } else {
                prefix="";
        }
        var partCheck=eval("form.check"+prefix+npart);
        var partType=eval("form.part"+prefix+npart);
        var partSize=eval("form.size"+prefix+npart);
        var partTypeCustom=eval("form.part"+prefix+npart+"custom");
        var partSizeCustom=eval("form.size"+prefix+npart+"custom");
        var freeDisk=document.getElementById("freedisk"+prefix);
        //var logical=document.getElementById("logicas"+prefix);
        if (partCheck.checked) {
                partType.disabled=false;
                partSize.disabled=false;
                if(npart != 4){
                        if (partType.options[partType.selectedIndex].value == "CUSTOM") {
                                partTypeCustom.disabled=false;
                        }
                }
                if (partSize.options[partSize.selectedIndex].value == "CUSTOM") {
                        partSizeCustom.disabled=false;
                } else {
                        partSizeCustom.disabled=true;
                }
        } else {
                partType.disabled=true;
                partSize.disabled=true;
                // El campo TypeCustom no existe para la particion 4
                if(npart != 4)
                        partTypeCustom.disabled=true;
                partSizeCustom.disabled=true;
        }
        if (npart <= 4) {
                // Si el formulario es GPT no hay extendidas
                if(isGPT != true){
                        checkExtendedPartition(form);
                }
                calculateFreeDisk(form);
        }
}


// Código para calcular el espacio libre del disco.
function calculateFreeDisk(form) {
        // Si esta seleccionada la opcion GPT, se llama a la funcion correspondiente
        if(document.getElementById("tipo_part_table").value == "GPT"){
                calculateFreeGPTDisk(form);
        }
        var freeDisk=document.getElementById("freedisk");
        freeDisk.value=form.minsize.value;
        for (npart=1; npart<=4; npart++) {
                var partCheck=eval("form.check"+npart);
                var partSize=eval("form.size"+npart);
                var partSizeCustom=eval("form.size"+npart+"custom");
                if (partCheck.checked) {
                        if (partSize.options[partSize.selectedIndex].value == "CUSTOM") {
                                freeDisk.value -= parseInt(partSizeCustom.value);
                        } else {
                                freeDisk.value -= parseInt(partSize.options[partSize.selectedIndex].value);
                        }
                }
        }
        if (parseInt(freeDisk.value) < 0) {
                freeDisk.style.fontWeight = "bold";
                freeDisk.style.fontStyle = "italic";
        } else {
                freeDisk.style.fontWeight = "normal";
                freeDisk.style.fontStyle = "normal";
        }
        if (form.size4.value == 0) {
                freeDisk.value += " (- cache)";         // Aviso de caché sin modificar.
        }
}

// Código para calcular el espacio libre del disco. en el formulario GPT
function calculateFreeGPTDisk(form) {
        // Si esta seleccionada la opcion MSDOS, se llama a la funcion correspondiente
        if(document.getElementById("tipo_part_table").value == "MSDOS"){
                calculateFreeDisk(form);
        }

        var freeDisk=document.getElementById("freediskGPT");
        freeDisk.value=form.minsize.value;
        // Capturamos el numero de particiones que hay hechas
        numParts=document.getElementById("numGPTpartitions").value;
        for (npart=1; npart<=numParts; npart++) {
                var partCheck=eval("form.checkGPT"+npart);
                var partSize=eval("form.sizeGPT"+npart);
                var partSizeCustom=eval("form.sizeGPT"+npart+"custom");
                if (partCheck.checked) {
                        if (partSize.options[partSize.selectedIndex].value == "CUSTOM") {
                                freeDisk.value -= parseInt(partSizeCustom.value);
                        } else {
                                freeDisk.value -= parseInt(partSize.options[partSize.selectedIndex].value);
                        }
                }
        }
        if (parseInt(freeDisk.value) < 0) {
                freeDisk.style.fontWeight = "bold";
                freeDisk.style.fontStyle = "italic";
        } else {
                freeDisk.style.fontWeight = "normal";
                freeDisk.style.fontStyle = "normal";
        }
        if (form.size4.value == 0) {
                freeDisk.value += " (- cache)";         // Aviso de caché sin modificar.
        }
}

// Agrega una nueva fila a la tabla de particiones con una nueva particion
function addGPTPartition(){
        var partitionTypes = "";
        partitionTypes+='<OPTION value="WINDOWS"> Windows </OPTION>';
        partitionTypes+='<OPTION value="WIN-RESERV"> Windows Reserved </OPTION>';
        partitionTypes+='<OPTION value="LINUX"> Linux </OTION>';
        partitionTypes+='<OPTION value="LINUX-RESERV"> Linux Reserved </OPTION>';
        partitionTypes+='<OPTION value="LINUX-SWAP"> Linux Swap </OPTION>';
        partitionTypes+='<OPTION value="LINUX-RAID"> Linux RAID </OPTION>';
        partitionTypes+='<OPTION value="LINUX-LVM"> Linux LVM </OPTION>';
        partitionTypes+='<OPTION value="CHROMEOS"> ChromeOS </OTION>';
        partitionTypes+='<OPTION value="CHROMEOS-KRN"> ChromeOS Kernel </OPTION>';
        partitionTypes+='<OPTION value="CHROMEOS-RESERV"> ChromeOS Reserved </OPTION>';
        partitionTypes+='<OPTION value="HFS"> MacOS HFS </OPTION>';
        partitionTypes+='<OPTION value="HFS-RAID"> MacOS HFS RAID </OPTION>';
        partitionTypes+='<OPTION value="FREEBSD"> FreeBSD </OPTION>';
        partitionTypes+='<OPTION value="FREEBSD-DISK"> FreeBSD Disk </OPTION>';
        partitionTypes+='<OPTION value="FREEBSD-BOOT"> FreeBSD Boot </OPTION>';
        partitionTypes+='<OPTION value="FREEBSD-SWAP"> FreeBSD Swap </OPTION>';
        partitionTypes+='<OPTION value="SOLARIS"> Solaris </OPTION>';
        partitionTypes+='<OPTION value="SOLARIS-DISK"> Solaris Disk </OPTION>';
        partitionTypes+='<OPTION value="SOLARIS-BOOT"> Solaris Boot </OPTION>';
        partitionTypes+='<OPTION value="SOLARIS-SWAP"> Solaris Swap </OPTION>';
        partitionTypes+='<OPTION value="EFI"> EFI </OPTION>';
        partitionTypes+='<OPTION value="MBR"> MBR </OPTION>';
        partitionTypes+='<OPTION value="BIOS-BOOT"> BIOS Boot </OPTION>';


        table = document.getElementById("particionesGPT");
        // Capturamos el numero de particiones, antes incrementamos
        document.getElementById("numGPTpartitions").value = parseInt(document.getElementById("numGPTpartitions").value)+1
        numPart=document.getElementById("numGPTpartitions").value;
        partitionRow = table.insertRow(-1);
        partitionRow.id = "trPartition"+numPart;
        partitionRow.innerHTML="<td> \
<input type='checkbox' name='checkGPT"+numPart+"' value='checkGPT"+numPart+"' onclick='clickPartitionCheckbox(this.form, "+numPart+",true);' /> Partici&oacute;n "+numPart+"</td> \
<td>\
<select name='partGPT"+numPart+"' id='partGPT"+numPart+"' style='width:220' disabled='true' onclick=' \
        if (this.options[this.selectedIndex].value == \'CUSTOM\') { \
                this.form.partGPT"+numPart+"custom.disabled=false; \
        } else { \
                this.form.partGPT"+numPart+"custom.disabled=true; \
        }'><option value='CUSTOM'> Personalizar </option> \
</select> \
<br> \
<select name='partGPT"+numPart+"custom' id='partGPT"+numPart+"custom' style='width:220' disabled='true' >"+partitionTypes+"</select> \
</td> \
<td> \
<select name='sizeGPT"+numPart+"' id='sizeGPT"+numPart+"' style='width:220' disabled='true' onclick=' \
        if (this.form.size"+numPart+".options[this.form.size"+numPart+".selectedIndex].value == \'CUSTOM\') { \
                this.form.sizeGPT"+numPart+"custom.disabled=false; \
        } else { \
                this.form.sizeGPT"+numPart+"custom.disabled=true; \
        } \
' onchange='calculateFreeGPTDisk(this.form);'>0<option value='CUSTOM'> Personalizar </option> \
</select> \
<br /> \
<input type='text' style='width:100' name='sizeGPT"+numPart+"custom' value='0' disabled='true' onchange='calculateFreeDisk(this.form);' /> \
</td>"

}

// Agrega una nueva fila a la tabla de particiones con una nueva particion
function deleteGPTPartition(){
        table = document.getElementById("particionesGPT");
        // Capturamos el numero de particiones
        numPart=document.getElementById("numGPTpartitions").value;
        // Si ya solo quedan 4 particiones, no se elimina ni se decrementa el contador
        if(numPart > 4){
                partitionRow = document.getElementById("trPartition"+numPart);
                table.deleteRow(partitionRow.rowIndex);
                // Decrementamos el numero de particiones
                document.getElementById("numGPTpartitions").value = parseInt(document.getElementById("numGPTpartitions").value)-1;
        }
}

// Código para comprobar si hay partición extendida activa para mostrar las lógicas.
function checkExtendedPartition(form) {
        var logical=document.getElementById("logicas");
        var visible=false;
        for (npart=1; npart<=4; npart++) {
                var partCheck=eval("form.check"+npart);
                var partType=eval("form.part"+npart);
                var partTypeCustom=eval("form.part"+npart+"custom");
                if (partCheck.checked) {
                        partType.style.fontWeight = "normal";

                        if (partType.value == "EXTENDED") {
                                visible=true;
                                partType.style.fontWeight = "bold";
                        }
                        // La particion 4 no tiene partTypeCustom
                        if(npart != 4){
                                partTypeCustom.style.fontWeight = "normal";
                                if (partType.value == "CUSTOM" && partTypeCustom.value == "EXTENDED") {
                                        visible=true;
                                        partTypeCustom.style.fontWeight = "bold";
                                }
                        }
                }
        }
        if (visible) {
                logical.style.visibility="visible";
        } else {
                logical.style.visibility="hidden";
        }
}