//鼠标移动后自动换层
function $(o) {if(document.getElementById&&document.getElementById(o)){return document.getElementById(o);}else if (document.all&&document.all(o)){return document.all(o);}else if (document.layers&&document.layers[o]){return document.layers[o];}else{return false;}} 
function setCls(o,c,f){if(!o)return;var oc=o.className=o.className.replace(new RegExp('( ?|^)'+c+'\\b'),'');if(!f)o.className=oc.length>0?(oc+' '+c):c}
String.prototype.trim= function(){return this.replace(/(^\s*)|(\s*$)/g, "");}
function inittab(o,n,e){
	var tab = $(o);
	var ul = $(o + '-body');
	if(!tab || !ul)return;
	var tabs = tab.getElementsByTagName('li');
	if(!tabs || tabs.length == 0)return;
	tab = tabs[0].parentNode;
	tab.uls = ul.getElementsByTagName(n ? n : 'ul');
	if(!tab.uls)return;
	var cls='active';
	e = e ? e : 'onmouseover';
	tab.lis = tabs;
	for(var i=0;i<tabs.length;i++){
		tabs[i].i=i;
		tabs[i][e] = function(){
			var u = this.parentNode;
			var idx = u.act ? u.act : 0;
			setCls(u.lis[idx], cls, true);
			if(u.uls[idx])u.uls[idx].style.display = 'none';
			u.act = this.i;
			setCls(this, cls);
			if(u.uls[this.i])u.uls[this.i].style.display = '';
		}
	}
}


//更改字体大小
var status0='';
var curfontsize=10;
var curlineheight=18;
function fontZoomA(){
  if(curfontsize>8){
    document.getElementById('content').style.fontSize=(--curfontsize)+'pt';
	document.getElementById('content').style.lineHeight=(--curlineheight)+'pt';
  }
}
function fontZoomB(){
  if(curfontsize<64){
    document.getElementById('content').style.fontSize=(++curfontsize)+'pt';
	document.getElementById('content').style.lineHeight=(++curlineheight)+'pt';
  }
}

//防框架
if(self!=top){top.location=self.location;}