function expand(elem) {
        var imH = elem.offsetHeight;
        var imW = elem.offsetWidth;
        var posLeft = elem.offsetLeft;
        var posTop = elem.offsetTop;
            posLeft--;
            posTop--;
            imH++;
            imW++;
            if(imW <= 170) {
                elem.style.left = posLeft;
                elem.style.top = posTop;
                      elem.style.width = imW + 1;
                      elem.style.height = imH + 1;
                  timerID = setTimeout(function(){expand(elem)}, 30);

            }
    }
    function revert(elem) {
        var imW = elem.offsetWidth;
        var imH = elem.offsetHeight;
        var posLeft = elem.offsetLeft;
        var posTop = elem.offsetTop;
              posLeft++;
              posTop++;
              imW--;
              imH--;
            elem.style.left = posLeft;
            elem.style.top = posTop;
                  elem.style.width = imW - 1;
                  elem.style.height = imH - 1;
                if(imW <= 163) {
                    return false
                }
                 timerID = setTimeout(function(){revert(elem)}, 30);
    }
    
    
    
    
        jsHover = function() {
		var hEls = document.getElementById("nav").getElementsByTagName("li");
		for (var i=0, len=hEls.length; i<len; i++) {
			hEls[i].onmouseover=function() { this.className+=" jshover"; }
			hEls[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
		}
	}
	if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", jsHover);