var brow, docprop ;
if (window.opera) {brow='op';docprop='getElementById';}
else if (document.all) {brow='ie';docprop='all';}
else if (document.getElementById) {brow='ff';docprop='getElementById';}



function preload(objekt,pat) {
eval(objekt+' = new Image()');
eval(objekt+'.src = "'+pat+'"');
}
function prikazlink(xx,yy) {
eval("xx.src = "+yy+".src;")
}
preload("nav_01","grafika/nav0_01.gif");
preload("nav_01_ov","grafika/nav0_01_ov.gif");
preload("nav_02","grafika/nav0_02.gif");
preload("nav_02_ov","grafika/nav0_02_ov.gif");
preload("nav_03","grafika/nav0_03.gif");
preload("nav_03_ov","grafika/nav0_03_ov.gif");
preload("nav_04","grafika/nav0_04.gif");
preload("nav_04_ov","grafika/nav0_04_ov.gif");
preload("nav_05","grafika/nav0_05.gif");
preload("nav_05_ov","grafika/nav0_05_ov.gif");

/// pocinje drop-down
var basie=(navigator.userAgent.indexOf('Opera')==-1 && document.getElementById && document.all)? true:false
var gasi,timer1;
var left1=0
var top1=0;
var tek=0;

function broji(xx) {    ///  funk. za gašenje dropdowna i to kojeg podmenija=xx
 if (gasi!=1) {gasi=1;eval('timer1=setTimeout("broji('+xx+')",500);')} 
 else {sakri(xx);gasi=0;clearTimeout(timer1);}
}

function sakri(xx) {
if (basie) {
  eval('document.all("menu'+xx+'").style.visibility="hidden";')
} else {
  eval('document.getElementById("menu'+xx+'").style.visibility="hidden";')
}
}

function prikaz(xx) {
 if (timer1) {clearTimeout(timer1);}
 gasi=0;
if (basie) {
 eval('document.all("menu'+xx+'").style.left=left1;document.all("menu'+xx+'").style.top=top1;document.all("menu'+xx+'").style.visibility="visible";')
} else {
 eval('document.getElementById("menu'+xx+'").style.left=left1;document.getElementById("menu'+xx+'").style.top=top1;document.getElementById("menu'+xx+'").style.visibility="visible";')
}
}

function pozic(obj, xx, yy, zz) {
if (tek!=0) {sakri(tek);}
tek=xx;
left1=getposOffset(obj, "left")+yy;
if (basie) {
top1=getposOffset(obj, "top")+zz;
} else {
top1=getposOffset(obj, "top")+zz;
}
prikaz(xx);
}
function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

/// kraj drop-down