navHover = function(){
	var lis = document.getElementById("pagenavi").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}

var test1 = navigator.appVersion.indexOf("MSIE 6.")
if(test1 != -1){
	if (window.attachEvent) window.attachEvent("onload", navHover);
}