function expandit(curobj, hide) {
    if(document.getElementById&&!document.all){ns6=1;}else{ns6=0;}
    var agtbrw=navigator.userAgent.toLowerCase();
    var operaaa=(agtbrw.indexOf('opera')!=-1);
    var head="display:''";
    var folder='';
    if(document.getElementById(curobj)) {
          folder=document.getElementById(curobj).style;
    } else {
        if(ns6==1||operaaa==true) {
            folder=curobj.nextSibling.nextSibling.style;
        } else {
            folder=document.all[curobj.sourceIndex+1].style;
        }
   }
    if(folder.display=="none")
    {
        folder.display="";
    }
    if(hide)
    {
        var hide_objects = hide.split(",");
        for(i=0; i<hide_objects.length; i++) {
            hide_objects[i]=hide_objects[i].replace(/^\s*(.*)/, "$1");
            hide_objects[i]=hide_objects[i].replace(/(.*?)\s*$/, "$1");
            if(document.getElementById(hide_objects[i])) {
                hidden=document.getElementById(hide_objects[i]).style;
                if(hidden.display=="") {
                    hidden.display="none";
                }
            }
        }
    }
}

var hide=true;//глобальная переменная, отвечающая будет ли строка передана в подсказку 
function movePic(event,word){
var event = event || window.event;
_x=event.clientX+20;
_y=event.clientY;
_dx=5
left=false;
right=false;


if(_dx+_x+myalt.clientWidth>document.body.clientWidth)
{
_x=document.body.clientWidth-myalt.clientWidth-_dx;
left=true;
}
 
if(_dx+_y+myalt.clientHeight>document.body.clientHeight)
{
_y=document.body.clientHeight-myalt.clientHeight-_dx;
right=true;
} 

if(left&&right)_y=document.body.clientHeight-myalt.clientHeight-_dx*4;
myalt.style.left=_x;
myalt.style.top=_y+document.body.scrollTop; 
if(hide){ 
myalt.innerHTML=word; 
myalt.style.visibility="visible"; 
hide=false; 
} 
} 
function hidePic(){ 
myalt.style.visibility="hidden"; 
myalt.innerHTML=""; 
myalt.style.top=0; 
myalt.style.left=0; 
hide=true; 
}