a=false;
b=false;

function correct() {
if (navigator.userAgent.indexOf('MSIE')==-1)  

{

var c = document.getElementsByClassName('produkt');
var dl = c.length;
for (i=0; i<dl; i++) {
c[i].style.display='inline-block';
}
}
}







function scroll() {
var stu = document.getElementById("a");
var std = document.getElementById("b");
var pole = document.getElementById("pole");
if (pole.scrollLeft == 0) document.getElementById("a").style.backgroundPosition = 'left center';
if (pole.scrollLeft > 0) document.getElementById("a").style.backgroundPosition = 'right center';
if (pole.scrollWidth>pole.offsetWidth) document.getElementById("b").style.backgroundPosition = 'left center';
if (pole.scrollWidth==(pole.offsetWidth+pole.scrollLeft)) {document.getElementById("b").style.backgroundPosition = 'right center';
}
}

function spr() {
var pole = document.getElementById("pole");
alert(pole.scrollWidth+' '+pole.scrollLeft+' '+pole.offsetWidth+' '+pole.offsetLeft);
}

function up() {
var pole = document.getElementById("pole");
if (pole.scrollLeft > 0) pole.scrollLeft = pole.scrollLeft-100;
scroll();
}

function down() {
var pole = document.getElementById("pole");
if (pole.scrollWidth>pole.offsetWidth) pole.scrollLeft = pole.scrollLeft+100;
scroll();
}

function sungora() {
var pole = document.getElementById("pole");
if (pole.scrollLeft > 0) {
if (a) {
pole.scrollLeft = pole.scrollLeft-4;
window.setTimeout("sungora(a)", 1);
}
}
scroll();
}


function ch() {
var pole = document.getElementById("pole");
alert(
pole.offsetWidth+"\n"+
pole.scrollLeft +"\n"+
pole.scrollWidth+"\n"

)

}



function sundol() {
var pole = document.getElementById("pole");
if (pole.scrollWidth>pole.scrollLeft) {
if (b) {
pole.scrollLeft = pole.scrollLeft+4;
window.setTimeout("sundol(b)", 1);
}
}
scroll();
}