function P7_ExpMenu() {
	if(navigator.appVersion.indexOf("MSIE") == -1) {
		return;
	}
	var i, k, g, lg, r=/\s*p7hvr/, nn='', c, cs='p7hvr', bv='p7menubar';
	for(i=0; i < 10; i++) {
		g = document.getElementById(bv + nn);
		if(g){
			lg = g.getElementsByTagName("LI");
			if(lg){
				for(k = 0; k < lg.length; k++) {
					lg[k].onmouseover = function() {
						c = this.className;
						cl = (c)?c+' '+cs:cs;
						this.className = cl;
					};
					lg[k].onmouseout = function() {
						c = this.className;
						this.className=(c)?c.replace(r,''):'';
					};
				}
			}
		}
		nn = i + 1;
	}
}

window.onload = function() {
	P7_ExpMenu();
}