/* 
  ------------------------------------
  PVII Menu CSS Express Drop-Down Menu
  by Project Seven Development
  www.projectseven.com
  ------------------------------------

function P7_ExpMenu(){ //v1.1.0.2 by PVII-www.projectseven.com
 if(window.navigator.appName.toLowerCase().indexOf("microsoft")>-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;}
}
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}*/
function menuFix() {
var sfEls = document.getElementById("nav").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
  sfEls[i].onmouseover=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";/*<==此处*/
  }
  sfEls[i].onMouseDown=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";/*<==此处*/
  }
  sfEls[i].onMouseUp=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";/*<==此处*/
  }
  sfEls[i].onmouseout=function() {
  this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
  }
}
}
window.onload=menuFix;