var mta_arr   = new Array();
var mta_clear = new Array();
function __mtaFloat(mta) {
	mta_arr[mta_arr.length] = this;
	var mtapointer = eval(mta_arr.length-1);
	this.pagetop       = 0;
	this.cmode         = (document.compatMode && document.compatMode!="BackCompat") ? document.documentElement : document.body;
	this.mtasrc        = document.all? document.all[mta] : document.getElementById(mta);
	this.mtasrc.height = this.mtasrc.offsetHeight;
	this.mtaheight     = this.cmode.clientHeight;
	this.mtaoffset     = __mtaGetOffsetY(mta_arr[mtapointer]);
	var mtabar         = 'mta_clear['+mtapointer+'] = setInterval("__mtaFloatInit(mta_arr['+mtapointer+'])",1);';
	mtabar             = mtabar;
	eval(mtabar);
}
function __mtaGetOffsetY(mta) {
	var mtaTotOffset = parseInt(mta.mtasrc.offsetTop);
	var parentOffset = mta.mtasrc.offsetParent;
	while ( parentOffset != null ) {
		mtaTotOffset += parentOffset.offsetTop;
		parentOffset  = parentOffset.offsetParent;
	}
	return mtaTotOffset;
}
function __mtaFloatInit(mta) {
	mta.pagetop = mta.cmode.scrollTop;
	mta.mtasrc.style.top = mta.pagetop - mta.mtaoffset + "px";
}
function __closeTopAds() {
	document.getElementById("mta_bar").style.visibility = "hidden";
}