//--------------- 主导航条内容 ------------//
var xmlHttp;
var mainLayer;//主导航栏目
var mainLayerHttp;

//--------------- 次导航条内容 ------------//
var subLayer0; //导航栏目一下的次级栏目
var subLayer1;
var subLayer2;
var subLayer3;
var subLayer4;
var subLayer5;
var subLayer6;
var subLayer7;
var subLayer8;
var subLayerHttp0;//主导航栏目一下的次级栏目连接地址
var subLayerHttp1;
var subLayerHttp2;
var subLayerHttp3;
var subLayerHttp4;
var subLayerHttp5;
var subLayerHttp6;
var subLayerHttp7;
var subLayerHttp8;
//--------------- 主导航条Table参数调整 ------------//
var mainTableTdWidth=74; //每个TD的宽度，调整主导航内容间距
var mainTableBorder=0; //调整主导航表格边框宽度
var mainTableCellspacing=0; //调整主导航表格Cellspacing
var mainTableCellpadding=0; //调整主导航表格Cellpadding
var mainTableBgcolor="#3e6ac0"; //调整主导航表格背景色
var mainTableBordercolor=""; //调整主导航表格编框颜色
var mainTableBackgroundImg="";
//var mainTableBackgroundImg="pic/menu-bg.gif"; //调整主导航表格背景图片url地址
var hrefClassName="a"; //调整url风格样式
var mainTableTdBgcolor="#3e6ac0"; //调整主导航表格Td色

//--------------- 次导航条Table参数调整 ------------//
var subTableBorder=0; //调整次导航条表格边框宽度
var subTableCellspacing=0; //调整次导航条表格Cellspacing
var subTableCellpadding=0; //调整次导航条表格Cellpadding
var subTableBgcolor="#FFFFFFF"; //调整次导航条表格背景色
var subTableBordercolor="#FFFFFF"; //次导航条表格编框颜色
var subTableBackgroundImg=""; //次导航条表格背景图片url地址
var subTableTdBgcolor="#C8DDEE"; //调整次导航表格Td色
var sbuTabbleTop=20; //次导航表格上下微调
var sbuTabbleLeft=0; //次导航表格左右微调

//--------------- 系统参数*请勿调整 ------------//
var layerMax;
var layerName="index";

//--------------- 生成下拉菜单 ------------//
function createMainLayer(){
	document.write("<table border=0 cellspacing=0 cellpadding=0 onmouseout=layervib('visible','"+layerMax+"')><tr><td><div id='wall' style='position:relative; left:0px; top:0px; width:100%; z-index:1' ><table width="+mainLayer.length*mainTableTdWidth+" border='"+mainTableBorder+"' cellspacing='"+mainTableCellpadding+"' cellpadding='"+mainTableCellpadding+"' bordercolor='"+mainTableBordercolor+"'>	<tr>");
	for(i=0;i<mainLayer.length;i++){
		document.write("<td height = 28 align = \"center\" width='"+mainTableTdWidth+"' class='"+		hrefClassName+"' onmouseover=layervib('visible','"+i+"')>&nbsp;<a href='"+mainLayerHttp[i]+"' class ='"+hrefClassName+"' style=\"text-decoration:none\">"+mainLayer[i]+"</a></td>"); 
		
	}
	document.write("</tr></table>");
	for(j=0;j<mainLayer.length;j++){
		createSubLayer(j);
	}
	document.write("</div></table></td></tr></table>");
}


//--------------- 生成每项下拉菜单内容 ------------//
function createSubLayer(num){
	var subLayerName= layerName +num;
	var subLayerLeft=(mainTableTdWidth*num)+mainTableCellpadding+mainTableBorder;
	var subLayerList=eval("subLayer"+num);
	var subLayerHttpList=eval("subLayerHttp"+num);
	document.write("<div id='"+subLayerName+"' style='position:absolute; left:"+(subLayerLeft+	sbuTabbleLeft)+"px; top:"+((mainTableBorder+mainTableCellspacing+mainTableCellpadding)*2+sbuTabbleTop	)+"px; z-index:2; height: 24px; visibility: hidden' onmouseover=layervib('visible','"+num+"') 	onmouseout=layervib('visible','"+layerMax+"')>");
	if(subLayerList.length!=0){
	document.write("<table border='"+subTableBorder+"' cellspacing='"+	subTableCellpadding+"' cellpadding='"+subTableCellpadding+"' bgcolor='"+subTableBgcolor+"' bordercolor='"+subTableBordercolor+"' background='"+subTableBackgroundImg+"'>") ;
	for(h=0;h<subLayerList.length;h++){ 
	document.write("<tr><td id='sub"+num+h+"' align = \"center\" height =10 background='pic/menu-bg1.gif' width='100%' class='a' onMouseOver='this.background=\"pic/menu-bg2.gif\"' onMouseOut='this.background=\"pic/menu-bg1.gif\"'>&nbsp;<a href='"+ subLayerHttpList[h]+"' class='a' style=\"text-decoration:none\">"+subLayerList[h]+"</a>&nbsp;</td></tr>");
	if(h!=subLayerList.length-1){
	document.write("<tr><td height =1 bgcolor='#FFFFFF' width='100%' class='link'></td></tr>");
	}
	}
	document.write("</table>");
	}
	document.write("</div>"); 
}

//------------------------------次菜单显隐控制--------------------------//
function layervib(type,num){
	var H=type;
	var temp=(H='visible'?'hidden':'visible')
	for(var i=0;i<mainLayer.length;i++){
	var E=eval('document.all.index'+i+'.style');
	var H=eval(i);
	if(i==num){E.visibility=type}else{E.visibility=temp};
	}
}
	
function creatXMLHttpRequest(){
	if(window.ActiveXObject){
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if(window.XMLHttpRequest){
		xmlHttp = new XMLHttpRequest();
	}
}
	

function initMainLayer(){
	creatXMLHttpRequest();
	var url = "getMenu";
	xmlHttp.onreadystatechange = handlegetMenu;
	xmlHttp.open('POST',url,false);
	xmlHttp.send(null);
}

function handlegetMenu(){
	if(xmlHttp.readyState == 4){
			if(xmlHttp.status == 200){
				initMenus();
			}
		}
}

function initMenus(){
	subLayer0  = new Array();
 	subLayer1  = new Array();
	subLayer2  = new Array();
	subLayer3  = new Array();
	subLayer4  = new Array();
	subLayer5  = new Array();
	subLayer6  = new Array();
	subLayer7  = new Array();
	subLayer8  = new Array();
	subLayerHttp0 = new Array();
	subLayerHttp1 = new Array();
	subLayerHttp2 = new Array();
	subLayerHttp3 = new Array();
	subLayerHttp4 = new Array();
	subLayerHttp5 = new Array();
	subLayerHttp6 = new Array();
	subLayerHttp7 = new Array();
	subLayerHttp8 = new Array();
	mainLayer=new Array();
	mainLayerHttp = new Array();
	var menu1s = xmlHttp.responseXML.getElementsByTagName("menu1");
	var menu2s;
	var i;
	mainLayerHttp[0] = 'index.jsp';
	mainLayer[0] = '首页';
	mainLayerHttp[1] = 'list.jsp?id='+menu1s[0].childNodes[0].firstChild.nodeValue;
	mainLayer[1]=menu1s[0].childNodes[1].firstChild.nodeValue;
	menu2s=menu1s[0].childNodes[2].childNodes;
	for(i=0;i<menu2s.length;i++){
		subLayer1[i] = menu2s[i].childNodes[1].firstChild.nodeValue;
		subLayerHttp1[i] = 'list.jsp?id2='+menu2s[i].childNodes[0].firstChild.nodeValue;
	}
	mainLayerHttp[2] = 'list.jsp?id='+menu1s[1].childNodes[0].firstChild.nodeValue;
	mainLayer[2]=menu1s[1].childNodes[1].firstChild.nodeValue;
	menu2s=menu1s[1].childNodes[2].childNodes;
	for(i=0;i<menu2s.length;i++){
		subLayer2[i] = menu2s[i].childNodes[1].firstChild.nodeValue;
		subLayerHttp2[i] = 'list.jsp?id2='+menu2s[i].childNodes[0].firstChild.nodeValue;
	}
	mainLayerHttp[3] = 'list.jsp?id='+menu1s[2].childNodes[0].firstChild.nodeValue;
	mainLayer[3]=menu1s[2].childNodes[1].firstChild.nodeValue;/*
	menu2s=menu1s[2].childNodes[2].childNodes;
	for(i=0;i<menu2s.length;i++){
		subLayer3[i] = menu2s[i].childNodes[1].firstChild.nodeValue;
		subLayerHttp3[i] = 'list.jsp?id2='+menu2s[i].childNodes[0].firstChild.nodeValue;
	}*/
	mainLayerHttp[4] = 'companys.jsp';
	mainLayer[4]='园区企业';
	mainLayerHttp[5] = 'list.jsp?id='+menu1s[4].childNodes[0].firstChild.nodeValue;
	mainLayer[5]=menu1s[4].childNodes[1].firstChild.nodeValue;
	menu2s=menu1s[4].childNodes[2].childNodes;
	for(i=0;i<menu2s.length;i++){
		subLayer5[i] = menu2s[i].childNodes[1].firstChild.nodeValue;
		subLayerHttp5[i] = 'list.jsp?id2='+menu2s[i].childNodes[0].firstChild.nodeValue;
	}
	mainLayerHttp[6] = 'list.jsp?id='+menu1s[5].childNodes[0].firstChild.nodeValue;
	mainLayer[6]=menu1s[5].childNodes[1].firstChild.nodeValue;
	menu2s=menu1s[5].childNodes[2].childNodes;
	for(i=0;i<menu2s.length;i++){
		subLayer6[i] = menu2s[i].childNodes[1].firstChild.nodeValue;
		subLayerHttp6[i] = 'list.jsp?id2='+menu2s[i].childNodes[0].firstChild.nodeValue;
	}
	mainLayerHttp[7] = 'list.jsp?id='+menu1s[6].childNodes[0].firstChild.nodeValue;
	mainLayer[7]=menu1s[6].childNodes[1].firstChild.nodeValue;
	menu2s=menu1s[6].childNodes[2].childNodes;
	for(i=0;i<menu2s.length;i++){
		subLayer7[i] = menu2s[i].childNodes[1].firstChild.nodeValue;
		subLayerHttp7[i] = 'list.jsp?id2='+menu2s[i].childNodes[0].firstChild.nodeValue;
	}
	mainLayerHttp[8] = 'list.jsp?id='+menu1s[7].childNodes[0].firstChild.nodeValue;
	mainLayer[8]=menu1s[7].childNodes[1].firstChild.nodeValue;
	menu2s=menu1s[7].childNodes[2].childNodes;
	for(i=0;i<menu2s.length;i++){
		subLayer8[i] = menu2s[i].childNodes[1].firstChild.nodeValue;
		subLayerHttp8[i] = 'list.jsp?id2='+menu2s[i].childNodes[0].firstChild.nodeValue;
	}
	layerMax = mainLayer.length+10;
	createMainLayer();
}