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";
		}