function $(o) {if(document.getElementById&&document.getElementById(o)){return document.getElementById(o);}else if (document.all&&document.all(o)){return document.all(o);}else if (document.layers&&document.layers[o]){return document.layers[o];}else{return false;}} 
function setCls(obj,cls,isRemove){obj.className=isRemove?obj.className.replace(new RegExp('( ?|^)'+cls+'\\b'),''):(obj.className.length>0?(obj.className+' '+cls):cls)}
String.prototype.trim= function(){return this.replace(/(^\s*)|(\s*$)/g, "");}

function inittab(o){
	var lis = $('cbg-tab-' + o);
	lis = lis.getElementsByTagName('li');
	var bds = $('cbg-tab-bd-' + o);
	bds = bds.getElementsByTagName('div');
	for(var i=0;i<lis.length;i++){
		lis[i].onmouseover=function(){
			var u = this.parentNode; var s = lis;
			var a = u.act; a = a ? a : s[0];
			a.className = a.className.replace(new RegExp('( ?|^)on\\b'),'');this.className += ' on';u.act = this;
			var c = bds;
			for(var k=0;k<c.length;k++){if(c[k])c[k].style.display = s[k]==this ? '' : 'none';}
		}
	}
}

function setsize(n, o){
	$('content-body').style.fontSize = n+'px';
	var a = o.parentNode.getElementsByTagName('a');
	for(var i=0;i<a.length;i++) a[i].className = '';
	o.className = 'act';
}

function initSearchForm(flag){
	var f = $('searchform');
	var defaultkey = '请输入关键字，如乙醇汽油 市场分析';
	var lis = f.getElementsByTagName('em');
	var type = f.type;
	f.keyword.value = f.keyword.value ? f.keyword.value : defaultkey;
	f.keyword.onfocus=function(){this.className="word focus";if(this.value==defaultkey){this.value=''}}
	f.keyword.onblur=function(){
		if(this.value==''){
			this.className="word";
			this.value=defaultkey;
		}
	}
	lis[0].parentNode.active = lis[0];
	for(var i=0;i<lis.length;i++){
		lis[i].index = i;
		lis[i].onclick = function(){
			setCls(this.parentNode.active, 'active', true);
			this.parentNode.active = this;
			setCls(this, 'active');
			type.value = this.attributes['value'].value;
		}
	}
	
	f.onsubmit=function(){
		if(f.keyword.value == defaultkey){
			f.keyword.value = '';
		}
	}
}
function initMarketPicShow(){
	var lis = $('focuspiccontrol')	.getElementsByTagName('li');
	var pic = $('focuspiclist').getElementsByTagName('div');
	var txt = $('focuspictxt').getElementsByTagName('div');

	for(var i=0;i<lis.length;i++){
		lis[i].index = i;
		lis[i].onmouseover=function(){
			this.parentNode.selectedLi = this.parentNode.selectedLi ? this.parentNode.selectedLi : lis[0];
			
			this.parentNode.selectedLi.className = this.parentNode.selectedLi.className.replace(new RegExp('( ?|^)act\\b'),'');
			var index = this.parentNode.selectedLi.index;
			pic[index].style.display = 'none';
			txt[index].style.display = 'none';
			
			this.parentNode.selectedLi = this;
			this.className += ' act'
			index = this.index;
			pic[index].style.display = '';
			txt[index].style.display = '';
		}
	}
}

function getContentInfo(id){
	var js = document.createElement('script');
	js.setAttribute('src', 'http://www.chinabaogao.com/action/content.php?contentid='+id);
	js.setAttribute('language', 'javascript');
	js.setAttribute('type', 'text/javascript');
	document.body.appendChild(js);
}