if (navigator.userAgent.indexOf("MSIE")>=0&&navigator.userAgent.indexOf("Opera")==-1) {
	function setHover(element,className,flag) {
		while (element&&element.parentNode) { var clss=element.className.split(" ");
			for (i=0;i<clss.length;++i)
               if (clss[i]==className) { if (flag) { element.className+=" hover"; } else { i=element.className.indexOf(" hover");
					element.className=element.className.substr(0,i); } return true; }
				element=element.parentNode; }
         return false;
      }
	document.onmouseover=function () { setHover(event.srcElement,"it",true); }
	document.onmouseout=function () { setHover(event.srcElement,"it",false); }
}