var tk;
try
{
	tk=token;
}
catch(e)
{
	tk='';
}

document.writeln("<style>");
document.writeln(".mainNavMouseUp{background:url(images/mainNav_mouseUp.gif) no-repeat; width:100px; height:40px;float:left;}");
document.writeln(".mainNavMouseOver{background:url(images/mainNav_mouseOver.gif) no-repeat; width:100px; height:40px;float:left}");
document.writeln(".mainNavMouseDown{background:url(images/mainNav_mouseDown.gif) no-repeat;width:100px;height:40px;float:left}");
document.writeln("#mainNav a{color:#fbfbfb; text-decoration:none; font-size:14px;font-weight:bold;width:100x; height:40px}");
document.writeln("#mainNav a:hover{width:100px; height:40px;}");
document.writeln("#MainLink a{color:#ccc; text-decoration:none; line-height:75px;font-size:12px;}");
document.writeln("#MainLink a:hovertext-decoration:underline;}");
document.writeln("</style>");

document.writeln("		  <div id=\"mainNav\" style=\"background:url(images/mainNav_bg.gif) width:970px; height:40px\">");
document.writeln("		       <div style=\"padding:0px 35px; height:40px; line-height:40px; vertical-align:middle; text-align:center\">");
document.writeln("		       <ul style=\"list-style-type:none;margin:0px;padding:0px;font-size:14px;color:#fbfbfb; font-weight:bold\">");
document.writeln("			   <li id=\"tb_1\" class=\"mainNavMouseDown\" onmouseover=\"HoverLi(1,0)\" onmousedown=\"HoverLi(1,1)\" onmouseout=\"HoverLi(1,2)\"><a href=\"/index.asp?ch=1\" >网站首页</a></li>");
document.writeln("			   <li id=\"tb_2\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(2,0)\" onclick=\"HoverLi(2,1)\" onmouseout=\"HoverLi(2,2)\"><a href=\"/Company.asp?ch=2\" >关于我们</a></li>");
document.writeln("			   <li id=\"tb_3\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(3,0)\" onclick=\"HoverLi(3,1)\" onmouseout=\"HoverLi(3,2)\"><a href=\"/QyNews.asp?ch=3\">新闻中心</a></li>");
document.writeln("			   <li id=\"tb_4\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(4,0)\" onclick=\"HoverLi(4,1)\" onmouseout=\"HoverLi(4,2)\"><a href=\"/ProductList.asp?ch=4\">产品展示</a></li>");

document.writeln("			   <li id=\"tb_5\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(5,0)\" onclick=\"HoverLi(5,1)\" onmouseout=\"HoverLi(5,2)\"><a href=\"/Item.asp?ch=5\">服务项目</a></li>");
document.writeln("			   <li id=\"tb_5\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(5,0)\" onclick=\"HoverLi(5,1)\" onmouseout=\"HoverLi(5,2)\"><a href=\"/Case.asp?ch=6\">成功案例</a></li>");
document.writeln("			   <li id=\"tb_6\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(6,0)\" onclick=\"HoverLi(6,1)\" onmouseout=\"HoverLi(6,2)\"><a href=\"/Client.asp?ch=7\">合作客户</a></li>");
document.writeln("			   <li id=\"tb_7\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(7,0)\" onclick=\"HoverLi(47,1)\" onmouseout=\"HoverLi(7,2)\"><a href=\"/Message.asp?ch=8\">在线留言</a></li>");
document.writeln("			   <li id=\"tb_8\" class=\"mainNavMouseUp\" onmouseover=\"HoverLi(8,0)\" onclick=\"HoverLi(8,1)\" onmouseout=\"HoverLi(8,2)\"><a href=\"/ContactUs.asp?ch=9\">联系我们</a></li>");		   
document.writeln("			   </ul>");
document.writeln("			</div>");
document.writeln("		  </div>  ");


function g(o){return document.getElementById(o);}
function HoverLi(n,type){
  for(var i=1;i<=8;i++){
	if(type==0){
		if(i==n){
			if(g('tb_'+i).className!='mainNavMouseDown'){
				g('tb_'+i).className='mainNavMouseOver';
			}
		}
	}
	else if(type==1){
		if(i==n){
			 //alert(n);
			g('tb_'+i).className='mainNavMouseDown';
		}
		else{
			g('tb_'+i).className='mainNavMouseUp';
		}
	}
	else{
		if(i==n){
			if(g('tb_'+i).className!='mainNavMouseDown'){
				g('tb_'+i).className='mainNavMouseUp';
			}
		}
	}
  }
}
function Request(argname)
{
    var url = document.location.href;
    var arrStr = url.substring(url.indexOf("?")+1).split("&");
    for(var i =0;i<arrStr.length;i++){
       var loc = arrStr[i].indexOf(argname+"=");
       if(loc!=-1){
        return arrStr[i].replace(argname+"=","").replace("?","");
        break;
       }
      
    }
    return "";
}
var curch;
curch = Request("ch");
if(curch != ""){
    if(curch.length >1){
        curch = curch.substring(0,1);
    }
    HoverLi(curch,1);
}
else{
    HoverLi(1,1);
}