/*
   ------------------------------------
   | Center & Middle DHTML Layer Menu |
   |                 by               |
   |   Dexter (dex-ter@freemail.hu)   |
   ------------------------------------
*/
 var bongeszo = navigator.appName;
 var verzio = parseInt(navigator.appVersion);
 var NS6 = (bongeszo == 'Netscape' && verzio >= 5 || bongeszo == 'Opera');
 var NS4 = (bongeszo == 'Netscape' && verzio < 5);
 var IE = (bongeszo == 'Microsoft Internet Explorer' && verzio >= 4);
 var FieldWidth=156;
 
 if ( NS4 ){
   layerStyleRef="layer.";
   layerRef="document.layers";
   styleSwitch="";
 }

 function rejtMind() {
   if ( NS6 || IE || NS4 ) {
	   rejt('l1');
  	 rejt('l11');
	   rejt('l12');
  	 rejt('l13');
   }
 }
 
 function rejt(layerName){
   if ( NS6 || IE ) {
	 eval('var obj=document.getElementById("'+layerName+'");');
	 obj.style.visibility="hidden";
   }else if ( NS4 ){
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
    }
 }

 function mutat(layerName){   
   if ( NS6 || IE ) {
	 eval('var obj=document.getElementById("'+layerName+'");');
	 obj.style.visibility="visible";
   }else if ( NS4 ){
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
    }
 }
 
 /*
   Layer pozíciók beállítása
 */
 function initPos(layerName,L,T){
   if ( NS6 || IE ) {
	 eval('var obj=document.getElementById("'+layerName+'");');
	 obj.style.left=L;
	 obj.style.top=T;
   }else if ( NS4 ){
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left=L');
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top=T');
    }
 }
 
 // layer csoportok vizszintes konstans meretei
 var L1_Width=89;
 var L11_Width=209;
 var L12_Width=209;
 var L13_Width=209;
 
 function InitLayersIE(){
   var Cheight=document.body.clientHeight;
   initPos('l1',L1_Width,Cheight-180);
   initPos('l11',L11_Width,Cheight-180);
   initPos('l12',L12_Width,Cheight-160);
   initPos('l13',L13_Width,Cheight-140);
 }
 
 function InitLayersNS4(){
   var Cheight=window.innerHeight;
   initPos('l1',L1_Width,Cheight-180);
   initPos('l11',L11_Width,Cheight-180);
   initPos('l12',L12_Width,Cheight-160);
   initPos('l13',L13_Width,Cheight-140);
 }
 
 function InitLayersNS6(){
   var Cheight=window.innerHeight;
   initPos('l1',L1_Width,Cheight-180);
   initPos('l11',L11_Width,Cheight-180);
   initPos('l12',L12_Width,Cheight-160);
   initPos('l13',L13_Width,Cheight-140);
 }
 
 function InitLayers(){
   if ( IE ){ InitLayersIE(); }
   else if ( NS4 ){ InitLayersNS4(); }
        else if ( NS6 ){ InitLayersNS6(); }
 }