//??? ?? ?? CSS ??? ?? ?? ???? ??
function getStyle(elem,name){
if(elem.style[name]){
return elem.style[name] ;
}else if(elem.currentStyle){
return elem.currentStyle[name]
}else if(document.defaultView && document.defaultView.getCompulatedStyle){
name = name.replace (/([A-Z])/g,"-$1");
name = name.toLowerCase();

var s = document.defaultView.getCompulatedStyle(elem,""); >return s && s.getPropertyValue(name);
}else{
return null;
}
}
//? ?? ??? ???? ??? X ? Y ??? ?????. ?? ?? ??
function pageX(elem){
return elem.offsetParent?
elem.offsetLeft pageX(elem.offsetParent):
elem.offsetLeft

function pageY(elem){
return elem.offsetParent?
elem.offsetTop pageY(elem.offsetParent):
elem.offsetTop
}
//?? ??? ?? ?? ? ?? ???
function parentX(elem){
return elem.parentNode == elem.offsetParent?
elem.offsetLeft:
pageX(elem)-pageX(elem.parentNode); ??> }

function parentY(elem){
return elem.parentNode==elem.offsetParent?
elem.offsetTop:
pageY(elem)-pageY(elem.parentNode);
}
//CSS ????? ???? ??? ?? ??
function posX(elem){
return parsInt(getStyle(elem,"left"))
}
function posY(elem){
return parsInt(getStyle(elem, "top"))
}
//?? ??? ???? ??? x ? y ??? ???? ?? )
?? setX( elem,pos){
elem.style.left = pos "px"
}
?? setY(elem,pos){
elem.style.top = pos "px";
}
//?? ??? ???? ??? ??? ???? ??
function addX(elem,pos){
setX(posX(elem) pos);
}
function addY( elem,pos){
setY(posY(elem) pos)
}

//??? ?? ??? ??? ?????
function getHeight(elem){
returnparseInt(getStyle(elem,'height'))
}
function getWidth(elem){
returnparseInt(getStyle(elem,'width') );
}
//??? ??? ???? ?? ??? ??? ?? ?? ? ?? ?????.
function fullHeight(elem){
if(getStyle(elem,'display') !='none'){
return elem.offsetHeight||getHeight(elem);
}
var old = ResetCSS(elem,{
display:'',
visibility:' ???',
??:' ??'
});
var h = elem.clientHeight||getHeight(elem)
restoreCSS(elem,old)
return h; ??>}

function fullWidth(elem){
if(getStyle(elem,'display')!='none'){
return elem.offsetWidth || getWidth(elem); ??>}
var old = ResetCSS(elem,{
??:'',
???:'??',
??:'??'
})
var w = elem.clientWidth || getWidth(elem );
restoreCSS(elem,old);
return w;

function ResetCSS(elem,prop){
= [];
for( var i in prop){
old[i] = elem.style[i]
elem.style[i] =
}
return old;
}
function RestoreCSS(elem,prop){
for(var i in prop){
elem.style[i] = prop[i]
}
}
// CSS? ?? ??? ???? ??? ???? ???? ?? ??
function hide(elem){
var curDisplay = getStyle(elem,'display');
if(curDisplay != 'none') {
elem.$oldDisplay= curDisplay;
}
elem.style.display = 'none'
}
?? ??( elem){
elem.style.display = elem.$oldDisplay ||'';

}
//??? ??? ??
function setOpacity(elem,level){
if(elem.filters){
elem .style.filters = 'alpha(opacity=' level ')'
}else{
elem.style.opacity = level/100; ??>}
}