//browser object
var browser=new Object();
browser.isIE=(navigator.appName=="Microsoft Internet Explorer" && navigator.userAgent.indexOf("Opera")<0)?true:false;
browser.isOpera=navigator.userAgent.indexOf("Opera")>0?true:false;
browser.isMozilla=navigator.product=="Gecko"?true:false;



//lists enumerable properties of an object 
Object.prototype.listProperties=function(){
  var lst=new String();
  for(var prop in this)lst+=prop+": "+this[prop]+"\n";
  return lst;
}



//opens debug window with content
function debugWindow(content){
  var win=window.open("","debug","width=450,height=450,resizable=yes,scrollbars=yes");
  win.document.title="debug";
  win.document.body.innerHTML="<pre>"+content+"</pre>";
}



//returns element
function getEl(elid){
  return document.getElementById(elid);
}



//returns viewport height
function winH(){
  if(window.innerHeight)return parseInt(window.innerHeight);
  else if(document.documentElement&&document.documentElement.clientHeight)return parseInt(document.documentElement.clientHeight);
  else if(document.body&&document.body.clientHeight)return parseInt(document.body.clientHeight);
}



//returns viewport width
function winW(){
  if(window.innerWidth)return parseInt(window.innerWidth);
  else if(document.documentElement&&document.documentElement.clientWidth)return parseInt(document.documentElement.clientWidth);
  else if(document.body&&document.body.clientWidth)return parseInt(document.body.clientWidth);
}



//returns computed height of el with id elid
function getH(elid){
  if (document.all)pupik=document.all.item(elid).offsetHeight;
  else{
    obj=document.getElementById(elid);
    pupik=document.defaultView.getComputedStyle(obj,"").getPropertyValue("height");
  };
  return parseInt(pupik);
}




//returns computed width of el with id elid
function getW(elid){
  if (document.all)pupik=document.all.item(elid).offsetWidth;
  else{
    obj=document.getElementById(elid);
    pupik=document.defaultView.getComputedStyle(obj,"").getPropertyValue("width");
  };
  return parseInt(pupik);
}




//returns computed height of el given as object
function getHObj(obj){
  if (document.all)pupik=obj.offsetHeight;
  else{

    pupik=document.defaultView.getComputedStyle(obj,"").getPropertyValue("height");
  };
  return parseInt(pupik);
}




//returns computed width of el with id elid
function getW(elid){
  if (document.all)pupik=document.all.item(elid).offsetWidth;
  else{
    obj=document.getElementById(elid);
    pupik=document.defaultView.getComputedStyle(obj,"").getPropertyValue("width");
  };
  return parseInt(pupik);
}





//returns computed width of el given as object
function getWObj(obj){
  if (document.all)pupik=obj.offsetWidth;
  else{
    pupik=document.defaultView.getComputedStyle(obj,"").getPropertyValue("width");
  };
  return parseInt(pupik);
}




//finds x position of an element with id elid
function findPosX(elid){
  var obj=getEl(elid);
  var curleft=0;
  if(obj.offsetParent){
    while(obj.offsetParent){
      curleft+=obj.offsetLeft;
      obj=obj.offsetParent;
    }
  }else if(obj.x)curleft+=obj.x;
  return parseInt(curleft);
}




//finds y position of an element with id elid
function findPosY(elid){
  var obj=getEl(elid);
  var curtop=0;
  if(obj.offsetParent){
    while(obj.offsetParent){
      curtop+=obj.offsetTop
      obj=obj.offsetParent;
    }
  }else if(obj.y)curtop+=obj.y;
  return parseInt(curtop);
}




//finds x position of an element given as object
function findPosXObj(obj){

  var curleft=0;
  if(obj.offsetParent){
    while(obj.offsetParent){
      curleft+=obj.offsetLeft;
      obj=obj.offsetParent;
    }
  }else if(obj.x)curleft+=obj.x;
  return parseInt(curleft);
}




//finds y position of an element given as object
function findPosYObj(obj){

  var curtop=0;
  if(obj.offsetParent){
    while(obj.offsetParent){
      curtop+=obj.offsetTop
      obj=obj.offsetParent;
    }
  }else if(obj.y)curtop+=obj.y;
  return parseInt(curtop);
}



//returns array of elements with class name clsname inherent in element with id parel
function getElementsByClassName(parel,clsname){
  var outp=new Array();
  var els=getEl(parel).getElementsByTagName("*");
  for(var i=0;i<els.length;i++){
    if(els[i].className==clsname)outp.push(els[i]);
  };
  return outp;
}



//clips an element with id elid (left, top, right, bottom)
function clipEl(elid,l,t,r,b){
  getEl(elid).style.clip="rect("+t+"px,"+(getW(elid)-r)+"px,"+(getH(elid)-b)+"px,"+l+"px)";
}



//sets display none for an element with id elid 
function setDN(elid){
  getEl(elid).style.display="none";
}



//sets display block for an element with id elid
function setDB(elid){
  getEl(elid).style.display="block";
}



//sets display inline for an element with id elid
function setDI(elid){
  getEl(elid).style.display="inline";
}




function setVH(el){
  if(typeof(el)=="string")el=getEl(el);
  el.style.visibility="hidden";
}



function setVV(el){
  if(typeof(el)=="string")el=getEl(el);
  el.style.visibility="visible";
}

//clips an element given as object 
function clipElObj(el,l,t,r,b){
  el.style.clip="rect("+t+"px,"+(getW(elid)-r)+"px,"+(getH(elid)-b)+"px,"+l+"px)";
}



//sets display none for an element el
function setDNObj(el){
  el.style.display="none";
}



//sets display block for an element el
function setDBObj(el){
  el.style.display="block";
}



//sets display inline for an element el
function setDIObj(el){
  el.style.display="inline";
}




//sets visiblity hidden for an element el
function setVHObj(el){
  el.style.visibility="hidden";
}




//sets visiblity visible for an element el
function setVVObj(el){
  el.style.visibility="visible";
}





//php trim() analogue
function trim(inpstr){
  inpstr=inpstr.replace(/^[\s]+/g,"");
  inpstr=inpstr.replace(/[\s]+$/g,"");
  return inpstr;
}





//opens window with image
function picWin(im,wi,he,php,parname,winpars){
  if(typeof(php)=="undefined" || php=="" || php==null)php="image.php";
  if(typeof(parname)=="undefined" || parname=="" || parname==null)parname="im";
  var wp="width="+wi+",height="+he;
  if(typeof(winpars)!="undefined")wp+=","+winpars;
  var vokno=window.open(php+"?"+parname+"="+im,"",wp);
  return typeof(vokno)=="object"?false:true;
}




//opens window with image
function picWin2(im,wi,he,titl,mess,winpars){
	var wL = (screen.width-wi) / 2;
	var wT = (screen.height-he) / 2;
	var wp;
	var img=new Image();
	img.src=im;
	wp="width="+wi+",height="+he+",left="+wL+",top="+wT+(typeof(winpars)=="undefined"?"":winpars);
	var vokno=window.open("","",wp);
	vokno.document.open();
	vokno.document.write('<html><head><title>'+(typeof(titl)=="undefined"?"":titl)+'</title><meta http-equiv="content-type" content="text/html; charset=iso-8859-2"></head><body style="margin:0;padding:0;background:#fff"><img src="'+im+'" alt="'+(typeof(mess)=="undefined"?"Kliknutím zavøete okno":mess)+'" onclick="window.close()" style="display:block;cursor:pointer;cursor:hand"></body></html>');
	vokno.document.close();
	return typeof(vokno)=="object"?false:true;
}





//kills teckos
function killTeckos(){
  window.focus();
};




//swaps display property of an element with elid - none->block / block->none
function swapDisplay(elid){
  el=getEl(elid);
  el.style.display=el.style.display=="none"?"block":"none";
};



//swaps display property of an element el - none->block / block->none
function swapDisplayObj(el){
  el.style.display=el.style.display=="none"?"block":"none";
};



function openPic(im,wi,he,titl,mess,winpars){
	var wL = (screen.width-wi) / 2;
	var wT = (screen.height-he) / 2;
	var wp;
	var img=new Image();
	img.src=im;
	wp="width="+wi+",height="+he+",left="+wL+",top="+wT+(typeof(winpars)=="undefined"?"":winpars);
	var vokno=window.open("","",wp);
	vokno.document.open();
	vokno.document.write('<html><head><title>'+(typeof(titl)=="undefined"?"":titl)+'</title><meta http-equiv="content-type" content="text/html; charset=iso-8859-2"></head><body style="margin:0;padding:0;background:#fff"><img src="'+im+'" alt="'+(typeof(mess)=="undefined"?"Kliknutím zavøete okno":mess)+'" onclick="window.close()" style="display:block;cursor:pointer;cursor:hand"></body></html>');
	vokno.document.close();
	return typeof(vokno)=="object"?true:false;
}

function openWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no,titlebar=no,toolbar=no,location=no,status=no,menubar=no'
	win = window.open(mypage,myname,settings)
	if (typeof(win.document) == "object") win.focus();
}



window.onload=function(){
 var objs=document.getElementsByTagName("object");

  var objl=objs.length;

  for(var i=0;i<objl;i++){

    var obj=objs[i];
    var parent=obj.parentNode;
    var html=obj.outerHTML;
    html=html.substring(0,html.indexOf("</"));
    var params=parent.getElementsByTagName("param");
    var parl=params.length;
    for(var j=0;j<parl;j++)html+=params[j].outerHTML;
    html+="</object>";
    obj.outerHTML=html;
    var nobjs=parent.getElementsByTagName("object");
    setVV(nobjs[0]);
  }   

}