function MM_jumpMenuRaw(selObj)
 { //v3.0
   eval("this.location='"+selObj.options[selObj.selectedIndex].value+"'");
 }

function doHelp ()
 {
   MM_openBrWindow('|HelpUrl|','|HelpTx|','toolbar=no,location=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=800,height=600');
 }


function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_changeProp(objName,theProp,theValue) { //v3.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1) ) eval("obj."+theProp+"='"+theValue+"'")
  else if (obj && ( obj.style) ) eval("obj."+theProp+"='"+theValue+"'");
}

function MM_jumpMenu(selObj)
 { //v3.0
   eval("this.location='"+selObj.options[selObj.selectedIndex].value+"'");
 }
 
function MM_openBrWindow(theURL,winName,features)
 { //v2.0
    window.open(theURL,winName,features);
 }

 
function doValidate ( )
 {
   return ( 1 );
 }

function doSubmit2 ( act, formname )
 {
   if ( doValidate () )
    {
      MM_changeProp ( 'Act', 'value', act, 'HIDDEN' );
      var F = MM_findObj ( formname );
      F . submit ();
    }
 }
function doSubmit ( act )
 {
   if ( doValidate () )
    {
      MM_changeProp ( 'Act', 'value', act, 'HIDDEN' );
      var F = MM_findObj ( 'form1' );
      F . submit ();
    }
 }


var showMode = 'table-cell';
if (document.all) showMode='block';
//if (document.all) showMode='';

function toggleVis(btn, mainform){
  btn   = document.forms[mainform].elements[btn];
  cells = document.getElementsByName('t'+btn.name);
  mode = btn.checked ? showMode : 'none';
  for(j = 0; j < cells.length; j++) cells[j].style.display = mode;
}

function SetVisibility(elements, on){
  cells = document.getElementsByName(elements);
  mode = on ? '' : 'none';
  //alert ( mode );
  for(j = 0; j < cells.length; j++) {
   //alert ('Prev='+cells[j].style.display);
   cells[j].style.display = mode;
  }
}

function ToggleVisibility(elements){
   cells = document.getElementsByName(elements);
   
   //alert ( mode );
   for(j = 0; j < cells.length; j++) {
    //alert ('Prev='+cells[j].style.display);
    mode = cells[j].style.display=='none' ? '' : 'none';
    cells[j].style.display = mode;
   }
} 

function checkp(f) {
  if(f.From.value=="") {
       alert('Prosím, zadejte e-mail');
       return false;
  }
  f.submit();
}

function isNumeric(val){return(parseFloat(val,10)==(val*1));}
 
function checkobj(f) {
  if(f.Jmeno.value=="") {
       alert('Prosím, zadejte jméno');
       f.Jmeno.focus();
       return false;
  }
  if(f.Email.value=="") {
       alert('Prosím, zadejte e-mail');
       f.Email.focus();
       return false;
  }
  if(!isNumeric(f.Delka.value)) {
       alert('Prosím, zadejte délku videa');
       f.Delka.focus();
       return false;
  }
  f.submit();
}

function zpracuj(f) {
  f.To.value = 'jfk';
  f.To.value += '@' ;
  f.To.value += 'ehosting.cz' ;
}





function MakeKbit(f) {
  f.KBIT.value=parseInt(1*f.MB.value*1024/(1*f.M.value*60+1*f.S.value)*8);
}

function MakeMB(f) {
  f.MB.value=parseInt(1*f.KBIT.value/8*(1*f.M.value*60+1*f.S.value)/1024);
}

function MakeMS(f) {
  sec=1*f.MB.value*1024*8/(1*f.KBIT.value);
  f.M.value=parseInt(sec/60);
  f.S.value=parseInt(sec%60);
}




function mkcore(jmeno, domena, tld){
  var ret=jmeno;
  ret += String.fromCharCode(63+1);
  if(typeof(domena)=="undefined") ret += 'dvideo.cz';
  else if(typeof(tld)=="undefined") ret += domena+'.cz';
  else ret += domena+'.'+tld;
  return (ret);
}

function mke(jmeno, domena, tld) {
  document.write(mkcore(jmeno, domena, tld));
}

function mkm(jmeno, domena, tld) {
  document.write('mai');
  document.write('lto'+String.fromCharCode(58));
  mke(jmeno, domena, tld);
}

function gom(jmeno, domena, tld) {
  var dst='mai';
  dst += 'lto'+String.fromCharCode(58);
  dst += mkcore(jmeno,domena,tld);
  window.open(dst);
}

function mkhref(jmeno, domena, tld, atr) {
  document.write('<a href="javascript:gom(\''+jmeno+'\'');
  if(typeof(domena)!="undefined") {
   document.write(', \''+domena+'\'');
   if(typeof(tld)!="undefined") document.write(', \''+tld+'\'');
  }
  document.write(')"');
  if(typeof(atr)!="undefined") document.write(' '+atr);
  document.write('>');
  document.write(mkcore(jmeno, domena, tld));
  document.write('</a>');
}

function mk_form_to (form_name, jmeno)
 {
   var F = MM_findObj ( form_name );

   F.To.value=mkcore(jmeno);
 }