// JavaScript Document
// Written by Frankres
// QQ:35094586 E-mail:Frankres@qq.com

function $(id) {
    return document.getElementById(id);
}
function FW_getQS(fieldName){  
	var urlString=document.location.search;
	if(urlString!=null){
		var typeQu=fieldName+"=";
		var urlEnd=urlString.indexOf(typeQu);
		if(urlEnd!=-1){
			var paramsUrl=urlString.substring(urlEnd+typeQu.length);
			var isEnd=paramsUrl.indexOf('&');
			if(isEnd!=-1) return paramsUrl.substring(0,isEnd);
			else return paramsUrl;
		}else return null;
	}else return null;
}
function FW_setMenu(nav,columns,menu)
{	
	if(nav==null) nav=1;
	if(parseInt(nav)==1){
		document.getElementById("nav"+nav).className="t_n3 t_n_li anav";
		document.getElementById("nav"+(parseInt(nav)+1)).className="t_n2 anavw";
	}
	else
	{ 
		document.getElementById("nav"+parseInt(nav)).className="t_n2 t_n_li anav";
		document.getElementById("nav"+(parseInt(nav)-1)).className="t_n3 anavw";
	}
	
	for(var i=1;i<=10;i++)
	{
		if(parseInt(nav)==2){
			if(document.getElementById("nav2_"+i)!=null)
				document.getElementById("nav2_"+i).className="";
		}else{
			if(document.getElementById("nav1_"+i)!=null)
				document.getElementById("nav1_"+i).className="";
		}
		
		if(document.getElementById("menu"+i)!=null)
			document.getElementById("menu"+i).className="menu";
	}
	if(document.getElementById("menu"+columns)!=null)
		document.getElementById("menu"+columns).style.display="block";
	//document.getElementById("nav2_"+menu).className="t_n2_s";
	if(document.getElementById("nav1_"+columns))
	document.getElementById("nav1_"+columns).className="t_n2_s";
	if(document.getElementById("menu"+columns+"_"+menu)!=null)
		document.getElementById("menu"+columns+"_"+menu).className="t_n2_s";
	//alert("nav"+columns+"_"+menu);
}
window.onload=function(){
	var bodyH=document.body.scrollHeight;
	var availH=document.documentElement.clientHeight;
	if(bodyH<availH){
		document.getElementById("container").style.height=availH+"px";
	}
}