var mezo_hiba_hibaskarakter_js = "Ez a mező ilyen karakert nem tartalmazhat!";
var mezo_hiba_kar_szamokbetuk   = "Ez a mező csak számokat és ékezetmentes beütket tartalmazhat!";
var mezo_hiba_kar_fajlnev       = "A fájl neve csak számokat és ékezetmentes beütket tartalmazhat!";
var kar_szamok          = "0123456789";
var kar_szamokbetuk     = "0123456789qwertzuiopasdfghjklyxcvbnmQWERTZUIOPASDFGHJKLYXCVBNM_";
var kar_fajlnev = "0123456789qwertzuiopasdfghjklyxcvbnmQWERTZUIOPASDFGHJKLYXCVBNM_.";
//var kar_csereszamokbetuk      = "0123456789qwertzuiopasdfghjklyxcvbnmQWERTZUIOPASDFGHJKLYXCVBNM_";
var kar_email           = ".-@0123456789qwertzuiopasdfghjklyxcvbnmQWERTZUIOPASDFGHJKLYXCVBNM_";
var e_charcheck_objid=null;
var e_charcheck_objvalue=null;

function textmaxlength(obj, maxlength)
{
        if ((obj)&&(obj.value)&&(obj.value.length))
        {
                var str=obj.value;
                if (str.length>maxlength) 
                { 
                        str=str.substring(0, maxlength); 
                        obj.value=str; 
                        var tulhosszu='Maximális hossz: '+maxlength+' karakter';
                        alert(tulhosszu); 
                }               
        }
}

function charcheck(obj, chars, charmsg)
{
 if (chars!='') {
    var ell=true;    
    if (e_charcheck_objid==null) {e_charcheck_objid="";}
    if (e_charcheck_objvalue==null) {e_charcheck_objvalue="";}

    if ((obj.id)&&(obj.value)) {
        if ((obj.id==e_charcheck_objid)&&((obj.value==e_charcheck_objvalue)||(obj.value.length<e_charcheck_objvalue.length))) { ell=false; }
    }
    if (ell)
    {
        var keycode=0;
        var defmsg=mezo_hiba_hibaskarakter_js;
        if (chars==kar_szamokbetuk)      {defmsg=mezo_hiba_kar_szamokbetuk; }
        if (chars==kar_fajlnev)          {defmsg=mezo_hiba_kar_fajlnev; }

        var caretpos=-1;
        if (obj.selectionStart) {caretpos=obj.selectionStart;}
        if ((window.event)&&(window.event.keyCode)) {keycode=window.event.keyCode;}
        alerted=false;
        if ((obj)&&(obj.value)&&(obj.value.length))
        {
                var str=obj.value;
                for (var i=0; i<str.length; i++)
                {
                        var character=str.charAt(i);
                        var cserechar=false;
                        if (chars.indexOf(character)==-1)
                        {
                                switch (character) {
                                        case 'á': cserechar='a'; break;
                                        case 'Á': cserechar='A'; break;
                                        case 'é': cserechar='e'; break;
                                        case 'É': cserechar='E'; break;
                                        case 'ó': cserechar='o'; break;
                                        case 'Ó': cserechar='O'; break;
                                        case 'ő': cserechar='o'; break;
                                        case 'Ő': cserechar='O'; break;
                                        case 'ö': cserechar='o'; break;
                                        case 'Ö': cserechar='O'; break;
                                        case 'ü': cserechar='u'; break;
                                        case 'Ü': cserechar='U'; break;
                                        case 'ű': cserechar='u'; break;
                                        case 'Ű': cserechar='U'; break;
                                        case 'ú': cserechar='u'; break;
                                        case 'Ú': cserechar='U'; break;
                                        case 'í': cserechar='i'; break;
                                        case 'Í': cserechar='I'; break;
                                        case ' ': cserechar='_'; break;
                                        break;
                                }
                                if (chars.indexOf(cserechar)==-1) {cserechar=false;}

                                if (cserechar) {
                                        str=str.substring(0,i)+cserechar+str.substring(i+1, str.length);
                                        if (str!=obj.value) 
                                        {                                       
                                                obj.value=str;
                                                setCaretToPos(obj, i+1);
                                        }
                                } else {
                                        if (charmsg.length!=0) {defmsg=charmsg;}
                                        if (!alerted) {alert(defmsg); obj.focus();}
                                        alerted=true;
                                        str=str.substring(0,i)+str.substring(i+1, str.length);
                                        if (str!=obj.value) 
                                        {                                       
                                                obj.value=str;
                                                setCaretToPos(obj, i);
                                        }
                                        i--;
                                }
                        }                       
                }                       
        }
   }
   if (obj.id) {e_charcheck_objid=obj.id;}
   if (obj.value) {e_charcheck_objvalue=obj.value;}
 }
}


    function openpage(page)
    {
        document.location="pageviewer.php?page="+page;
    }

    //OBJECT SEARCH

    // adott objektumot ad vissza
    function getobjectbyid(id)
    {
      if (document.all){
        return document.all[id];
      } else if (document.getElementById){
        return document.getElementById(id);
      }
    }  

    //tag szerinti szülőkeresés
    function findparentbytag(obj, tag)
    {    
        while (obj) {
                if ((obj)&&(obj.tagName))
                {
//              alert(obj.tagName);
                        if (obj.tagName.toLowerCase()==tag) {return obj;break;}
                }
                obj=obj.parentNode;             
        }
    }
    
    function findchildbyname(obj, name)
    {
        if (obj) {
                var childcount=obj.childNodes.length;           
                for (var i=0; i<childcount; i++) 
                {
                        var child=obj.childNodes[i];
                        if (child)
                        {       
                                if ((child.name)&&(child.name==name)) { return child; break; }
                                var childs=findchildbyname(child, name);
                                if (childs) { return childs; break; }
                        }
                }
        }
    }

    //tag szerinti gyerekkeresés
    function findchildbytag(obj, tag)
    {
        if (obj) {
                var childcount=obj.childNodes.length;           
                for (var i=0; i<childcount; i++) 
                {
                        var child=obj.childNodes[i];
                        if ((child)&&(child.tagName))
                        {       
                                if (child.tagName.toLowerCase()==tag) { return child; break; }
                                var childs=findchildbytag(child, tag);
                                if (childs) { return childs; break; }
                        }
                }
        }
    }

    var after_findnextchildbytag=false;
    function findnextchildbytag(obj, tag, after_obj)
    {
        after_findnextchildbytag=false;
        return _findnextchildbytag(obj, tag, after_obj);
    }
    function _findnextchildbytag(obj, tag, after_obj)
    {
        //var after=false;
        ret=false;
        if (obj) {
                var childcount=obj.childNodes.length;
                for (var i=0; i<childcount; i++) 
                {
                        var child=obj.childNodes[i];
                        if ((child)&&(child.tagName))
                        {       
                                if ((child.tagName.toLowerCase()==tag)&&(after_findnextchildbytag)) { ret=child; break; }
                                if (child==after_obj) {after_findnextchildbytag=true;}
                                var childs=_findnextchildbytag(child, tag, after_obj);
                                if ((childs)&&(after_findnextchildbytag)) { 
                                        ret=childs; 
                                        break;
                                }
                        }
                }
        }
        return ret;
    }


    function findparentbyid(object, findid)
    {
       var pobj=null;
       var parelem=object;
       while (parelem)
        {
            if (parelem.id) {
                if (parelem.id==findid) {pobj=parelem; break;}
            }
            parelem=parelem.parentNode;
        }
       return(pobj);
    }
    
    function findparentbyidpart(object, findid)
    {
       var pobj=null;
       var parelem=object;
       while (parelem)
        {   
            if (parelem.id) {
                if (parelem.id.substr(0,findid.length)==findid) {pobj=parelem; break;} 
            }
            parelem=parelem.parentNode;
        }
       return(pobj);
    }

        //string functions
    function trim(inputString) {
       if (typeof inputString != "string") { return inputString; }
       var retValue = inputString;
       var ch = retValue.substring(0, 1);
       while (ch == " ") {
          retValue = retValue.substring(1, retValue.length);
          ch = retValue.substring(0, 1);
       }
       ch = retValue.substring(retValue.length-1, retValue.length);
       while (ch == " ") { 
          retValue = retValue.substring(0, retValue.length-1);
          ch = retValue.substring(retValue.length-1, retValue.length);
       }
       while (retValue.indexOf("  ") != -1) { 
          retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length);
       }
       return retValue;
    } 

    function getparambyindex(paramstr, index)
    {           
                var hatarolo=paramstr.indexOf(";");
                var paramstart=0;
                var paramno=0;
                if (hatarolo>0) {
                        while (hatarolo>0)
                        {
                                paramno++;
                                var paramname=paramstr.substring(paramstart, hatarolo);
                                if (paramno==index)
                                {
                                        return paramname;
                                        exit;
                                }
        
                                paramstart=hatarolo+1;
                                if (hatarolo!=paramstr.length) {hatarolo=paramstr.indexOf(";", hatarolo+1);} else {hatarolo=0;}
                                if (hatarolo==-1) {hatarolo=paramstr.length;}
                        }
                } else {
                        if (index==1) {
                                return paramstr;
                        }
                }
    }

function setSelectionRange(input, selectionStart, selectionEnd) {
  if (input.setSelectionRange) {
    input.focus();
    input.setSelectionRange(selectionStart, selectionEnd);
  }
  else if (input.createTextRange) {
    var range = input.createTextRange();
    range.collapse(true);
    range.moveEnd('character', selectionEnd);
    range.moveStart('character', selectionStart);
    range.select();
  }
}

function setCaretToEnd (input) {
  setSelectionRange(input, input.value.length, input.value.length);
}

function setCaretToPos (input, pos) {
  if (pos>=0) {setSelectionRange(input, pos, pos);}
}

function backorclose() {
        var o = document.getElementById("_SYS_HIST");
        if ((o)&&(o.value!='')) {
                history.back();
        } else {
                top.closew();
        }
}