var rootCatObj = new Object();
var rootCatColor = new Object();//存放各个根类别背景颜色
var rootCatNum;//根类别总数
var htmlPageUrl ="/html";
var showNum = 0;
var limitNum = 20;//类别显示限制数
var numPerRow = 10;//每行显示数据数


rootCatObj[0] = new Array("shiboqi","示波器");
rootCatObj[1] = new Array("jichengdianlu","集成电路测试");
rootCatObj[2] = new Array("jichu","基础仪器");
rootCatObj[3] = new Array("dianqiceliang","电气测量");
rootCatObj[4] = new Array("tongxun","通讯测试");
rootCatObj[5] = new Array("huanbao","环保热工");
rootCatObj[6] = new Array("jiliang","计量校准");
rootCatObj[7] = new Array("xinhao","信号发生");
rootCatObj[8] = new Array("kaifa","开发工具");
rootCatObj[9] = new Array("gongye","工业控制");
rootCatObj[10] = new Array("dianyuan","电源");
rootCatObj[11] = new Array("fenliqijian","分立器件测试");
rootCatObj[12] = new Array("wusun","无损检测");
rootCatObj[13] = new Array("angui","安规检测");
rootCatObj[14] = new Array("wangluo","网络测试");
rootCatObj[15] = new Array("qiti","气体分析");
rootCatObj[16] = new Array("jilu","记录分析");
rootCatObj[17] = new Array("fenxiyiqi","分析仪器");
rootCatObj[18] = new Array("gongju","常用工具");
rootCatObj[19] = new Array("jiaoxue","教学实验");
rootCatObj[20] = new Array("jingdian","静电防护");
rootCatObj[21] = new Array("qita","其它");


rootCatColor[1] = "#339966";
rootCatColor[2] = "#ff9900";
rootCatColor[73] = "#008899";
rootCatColor[3] = "#990000";
rootCatColor[17] = "#336699";
rootCatColor[27] = "#cc9900";
rootCatColor[104] = "#558994";
rootCatColor[85] = "#990000";
rootCatColor[58] = "#558990";
rootCatColor[64] = "#cc9900";
rootCatColor[67] = "#336699";
rootCatColor[78] = "#009956";
rootCatColor[37] = "#558990";
rootCatColor[81] = "#ff9900";
rootCatColor[98] = "3009888";
rootCatColor[89] = "#990000";
rootCatColor[54] = "#ff9900";
rootCatColor[110] = "#996688";
rootCatColor[165] = "#009900";
rootCatColor[52] = "#ff9900";
rootCatColor[166] = "#009956";
rootCatColor[171] = "#998877";

rootCatNum = 22;

//显示根类别导航页面
function showRootCatList(rootCatColor)
{
   if(rootCatColor == '')
   {
		rootCatColor = '#3366CC';
   }

   document.write('<TABLE cellSpacing=0 cellPadding=0 width=780 align=center border=0>\n');
   document.write('<TBODY>\n');
   document.write('<TR>\n');
   document.write('<TD align=middle>\n');
   document.write('<TABLE style=\"BORDER-COLLAPSE: collapse\" borderColor=\"' + rootCatColor + '\" cellSpacing=0  cellPadding=0 width=778 align=center border=1>\n');
   document.write('<TBODY><TR><TD>\n');

   document.write('<TABLE cellSpacing=1 cellPadding=3 width=778 align=center          border=0><TBODY>\n');
   document.write('<TR height=\"21\" align=center bgcolor=\"' + rootCatColor + '\">\n');

   if(rootCatNum > limitNum)
   {
	  showNum = limitNum;
   }
   else
   {
	  showNum = rootCatNum;
   }

    for(i = 1; i <= showNum; i++)
    {
		if(i == numPerRow)
		{
			//打印单个根类别
			document.write('<td onMouseOut=\"righ(3);\"><a class=rootCat href=\"'+htmlPageUrl+'/'+ rootCatObj[i-1][0]+'/index.html\">' + rootCatObj[i-1][1] + '</a></td>\n');

			document.write('</tr><tr><td bgColor=#000000 colSpan=11 height=1></td></tr>\n');
			document.write('<tr height=\"21\" align=\"center\" bgcolor=\"' + rootCatColor + '\">');
		}
		else
		{

			//若大于limitNum，额外增加更多弹出菜单
			if(rootCatNum > limitNum && i == limitNum)
			{	//显示更多
				document.write('<td onMouseOver=\"lef(3);\"><a class=rootCat href=\"#\">更多...</a></td>\n');
			}
			else
			{
				//打印单个根类别
				document.write('<td onMouseOut=\"righ(3);\"><a class=rootCat href=\"'+htmlPageUrl+'/'+ rootCatObj[i-1][0]+'/index.html\">' + rootCatObj[i-1][1] + '</a></td>\n');
			}
		}
    }
	document.write('</tr></tbody></table>\n');
	
	document.write('</td></tr></tbody></table>\n');
	document.write('</td></tr></tbody></table>\n');
}


//显示更多菜单
function showMoreCat(rootCatColor)
{
	if(rootCatNum > limitNum)
	{
		for(k = limitNum; k < rootCatNum; k++)
		{
			document.write('<tr bgcolor=\"' + rootCatColor + '\" height=\"20\"><td nowrap align=center><a class=rootCat href=\"'+htmlPageUrl+'/'+ rootCatObj[k-1][0]+'/index.html\"><font color=\"#FFFFFF\">' + rootCatObj[k-1][1] + '</font></a></td></tr>');
		}
	}
}