var ids=new Array();
function QAinit(){
        if(document.getElementById){
                var tids=document.getElementsByTagName('div');
                for(i=0;i<tids.length;i++)if(tids[i].className=="polozky1")ids[ids.length]=tids[i];
                for(i=0;i<ids.length;i++)ids[i].onmouseup=setstate;
        }
}
function setstate(){
        for(i=0;i<ids.length;i++){
                if(ids[i]==this){
                        var d=this.parentNode.getElementsByTagName('div')[1];
                        if(d.style.display=="block")d.style.display="none";
                else d.style.display="block";
                }
        }
}
function expandall(){
        if(document.getElementById){
                for(i=0;i<ids.length;i++)ids[i].parentNode.getElementsByTagName('div')[1].style.display="block";
        }
}
function collapseall(){
        if(document.getElementById){
                for(i=0;i<ids.length;i++)ids[i].parentNode.getElementsByTagName('div')[1].style.display="none";
        }
}
window.onload=QAinit;