//CSS变换
function fcss(fid,bgcolor,color){
	document.getElementById(fid).style.background = bgcolor;
	document.getElementById(fid).style.color = color;
	document.getElementById(fid).value = "";
}

//tab切换
function setTab(name,num,n){
	for(i=1;i<=n;i++){
		var menu=document.getElementById(name+i).childNodes[0];
		var con=document.getElementById(name+"_"+"con"+i);
		var more=document.getElementById(name+"_"+"more"+i);
		menu.className=i==num?"curt":"";
  		con.style.display=i==num?"block":"none"; 
		more.style.display=i==num?"block":"none"; 
	}
}


//显示样式

stuHover = function() {
	var cssRule;
	var newSelector;
	for (var i = 0; i < document.styleSheets.length; i++)
		for (var x = 0; x < document.styleSheets[i].rules.length ; x++)
			{
			cssRule = document.styleSheets[i].rules[x];
			if (cssRule.selectorText.indexOf("LI:hover") != -1)
			{
				 newSelector = cssRule.selectorText.replace(/LI:hover/gi, "LI.iehover");
				document.styleSheets[i].addRule(newSelector , cssRule.style.cssText);
			}
		}
	var getElm = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<getElm.length; i++) {
		getElm[i].onmouseover=function() {
			this.className+=" iehover";
		}
		getElm[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", stuHover);