si=null
function scroll_up(){
frames[0].scrollBy(0,-1)
}

function button_up(arg){
if (arg) {document.getElementById('buttonup').src="images/button_up_hover.gif";si=setInterval('scroll_up()',10)}
else {clearInterval(si);document.getElementById('buttonup').src="images/button_up.gif"}
}


function scroll_down(){
frames[0].scrollBy(0,1)
}


function button_down(arg){
if (arg) {document.getElementById('buttondown').src="images/button_down_hover.gif";si=setInterval('scroll_down()',10)}
else {clearInterval(si);document.getElementById('buttondown').src="images/button_down.gif"}
}


//preload buttona
image1=new Image()
image1.src="images/izbornik_novosti_hover.gif"
image2=new Image()
image2.src="images/izbornik_o_nama_hover.gif"
image3=new Image()
image3.src="images/izbornik_sponzori_hover.gif"
image4=new Image()
image4.src="images/izbornik_vodic_hover.gif"
image5=new Image()
image5.src="images/izbornik_uclanjenje_hover.gif"
image6=new Image()
image6.src="images/izbornik_statut_hover.gif"
image7=new Image()
image7.src="images/izbornik_download_hover.gif"
image8=new Image()
image8.src="images/izbornik_lokacija_hover.gif"
image9=new Image()
image9.src="images/izbornik_kontakt_hover.gif"
image10=new Image()
image10.src="images/izbornik_galerija_hover.gif"
image11=new Image()
image11.src="images/izbornik_mreze_u_rh_hover.gif"
image12=new Image()
image12.src="images/izbornik_linkovi.gif"

preloadbutton=new Image()
preloadbutton.src="images/posalji_hover.gif"

//izbornik
function izbornik(id){
izbornik_itemi=new Array("novosti","o_nama","vodic","uclanjenje","statut","galerija","download","kontakt","lokacija","mreze_u_rh","sponzori","linkovi")

for (i in izbornik_itemi){
document.getElementById(izbornik_itemi[i]).style.zIndex=1
document.getElementById(izbornik_itemi[i]).src='images/izbornik_'+izbornik_itemi[i]+'.gif'
}


document.getElementById(id).style.zIndex=10
document.getElementById(id).src='images/izbornik_'+id+'_hover.gif'
}