var itemdata = new Array();
                               
itemdata['China'] = new Array(new Array('first','---'),
					  		  new Array('qinghua1','清华大学热能工程系'),
					  		  new Array('qianghua2','清华大学核能与新能源技术研究院'),
					  		  new Array('zhongkeyuan','中科院工程热物理研究所'),
					  		  new Array('xian','西安交通大学'),
					  		  new Array('shanghai','上海交通大学'),
					  		  new Array('zhejiang','浙江大学'),
					  		  new Array('huazhong','华中科技大学'),
					  		  new Array('lanzhou','兰州理工大学'),
					  		  new Array('haerbing','哈尔滨工业大学'),
					  		  new Array('nongye','中国农业大学'),
					  		  new Array('jiangsu','江苏大学'),
					  		  new Array('beijing','北京石油大学'),
					  		  new Array('xihua','西华大学'),
					  		  new Array('xinan','西南石油大学'),
					  		  new Array('xianligong','西安理工大学'),
					  		  new Array('xibei','西北工业大学'),
					  		  new Array('dongbei','东北大学'),
					  		  new Array('wuhan','武汉大学'),
					  		  new Array('hehai','河海大学')
					  		);
itemdata['USA'] = new Array(new Array('first','---'),
					  	    new Array('Florida_USA','University of Florida'),
					  	    new Array('Iowa_USA','Iowa State University'),
					  	    new Array('Epic_USA','Epic System Corp'),
					  	    new Array('Emerson_USA','Emerson Electric Corporation'),
					  	    new Array('Streamline_USA','Streamline Numerics, Inc')
					  		);

itemdata['UK'] = new Array(new Array('first','---'),
					  	   new Array('Kingston_UK','Kingston University'),
					  	   new Array('Cranfield_UK','Cranfield University')
					  		);
					  
itemdata['Germany'] = new Array(new Array('first','---'),
					  			new Array('Aachen_Germany','Aachen University of Technology'),
					  			new Array('KSB_Germany','KSB AG'),
					  			new Array('Turbomaschinen_Germany','Turbomaschinen GmbH')
					  		);
					  
itemdata['Japan'] = new Array(new Array('first','---'),
					  		  new Array('Tokyo_Japan','University of Tokyo'),
					  		  new Array('Tohoku_Japan','Tohoku University'),
					  		  new Array('Hitachi_Japan','Hitachi Ltd'),
					  		  new Array('Hokkaido_Japan','Hokkaido University'),
					  		  new Array('Nagoya_Japan','Nagoya University'),
					  		  new Array('Nagasaki_Japan','Nagasaki University'),
					  		  new Array('Kyushu_Japan','Kyushu University'),
					  		  new Array('Kobe_Japan','Kobe University'),
					  		  new Array('Technology_Japan','Tokyo Institute of Technology'),
					  		  new Array('Toyama_Japan','Toyama Prefectural University'),
					  		  new Array('Institute_Japan','Kyushu Institute of Technology'),
					  		  new Array('Yokohama_Japan','Yokohama National University'),
					  		  new Array('AEA_Japan','AEA Technology Engineering Software')
					  		);

itemdata['Korea'] = new Array(new Array('first','---'),
					  		  new Array('Inha_Korea','Inha University'),
					  		  new Array('Maritime_Korea','Korea Maritime University'),
					  		  new Array('Andong_Korea','Andong National Univ'),
					  		  new Array('Sungkyunkwan_Korea','Sungkyunkwan University'),
					  		  new Array('Yosu_Korea','Yosu National University'),
					  		  new Array('Hyundai_Korea','Hyundai Precision & IND. Co., LTD'),
					  		  new Array('Advance_Korea','Institute for Advance Engr'),
					  		  new Array('Pohang_Korea','Pohang University of Science & Technology'),
					  		  new Array('Aerospace_Korea','Korea Aerospace Research Institute'),
					  		  new Array('Machinery_Korea','Korea Institute of Machinery & Materials'),
					  		  new Array('Gyeonsang_Korea','Gyeonsang National University')
					  		);

itemdata['India'] = new Array(new Array('first','---'),
					  		  new Array('Madras_India','Madras University'),
					  		  new Array('Government_India','Government Engineering College'),
					  		  new Array('IndianInstitute_India','Indian Institute of Technology'),
					  		  new Array('Thermal_India','National Thermal Power Corporation')

					 		);

itemdata['Egypt'] = new Array(new Array('first','---'),
							  new Array('Zagzig_Egypt','Zagzig University')
					  		);
					  
itemdata['France'] = new Array(new Array('first','---'),
				  	           new Array('ENSAM_France','ENSAM')
					  		);
					  
itemdata['Italy'] = new Array(new Array('first','---'),
					  		  new Array('Roma_Italy','University of Roma "La Sapienza"')
					  		);

itemdata['Australia'] = new Array(new Array('first','---'),
								  new Array('Sydney_Australia','The University of Sydney')
					  		);

itemdata['Belgium'] = new Array(new Array('first','---'),
								new Array('Gent_Belgium','University of Gent')
					  		);

itemdata['Spain'] = new Array(new Array('first','---'),
							  new Array('Polytechnical_Spain','Polytechnical University of Catalunya')
					  		);

itemdata['Yugoslavia'] = new Array(new Array('first','---'),
								   new Array('Belgrade_Yugoslavia','University of Belgrade'),
						           new Array('Djerdap_Yugoslavia','EPS-HPP Djerdap'),
						           new Array('AP_Yugoslavia','AP Company')
					  		);

  function appendSelect(key,value){
		return "<option value=\""+key+"\">"+value+"</option>";
  }
  
  function createSelect(dataArray){

	  var count = dataArray.length;
	  var ret="<SELECT id=\"subcate\" style=\"width:300px; margin-top:10px; margin-left:10px; height:22px; font-size:12px\" name=\"type\" onchange=\"subCateUrl(this,'item')\"><OPTION value=\"all\">Choice of educational institutions</OPTION>";
	  for(var i = 0; i < count;i++){
		  ret+= appendSelect(dataArray[i][0],dataArray[i][1]);
	  
	  }
	  ret+= "</SELECT>";
	  return ret;
	 //alert(ret);
  }
  
  
  function subCate(obj,type){
     if (obj.value == ""){
  	　	return ;
     }
     if (type=="item"){
  	    var dataArray = itemdata[obj.value];
  	    document.getElementById('subcate_div').innerHTML = createSelect(dataArray);
     }
  }
  
  function subCateUrl(obj,type){
	  if(obj.value == "")
	  {
		  return;
	  }
	  
	  switch(obj.value)
	  {
		  //china
		  case "qinghua1":
		  	open ('http://dns.te.tsinghua.edu.cn/');//打开其他网页要有http://路径
			break;
		  case "qianghua2":
		  	open ('http://www.inet.tsinghua.edu.cn/');
			break;
		  case "zhongkeyuan":
		  	open ('http://www.etp.ac.cn/');
			break;
		  case "xian":
		  	open ('http://www.xjtu.edu.cn');
			break;
		  case "shanghai":
		  	open ('http://www.sjtu.edu.cn/');
			break;
		  case "zhejiang":
		  	open ('http://www.zju.edu.cn/');
			break;
		  case "huazhong":
		  	open ('http://www.hust.edu.cn/');
			break;
		  case "lanzhou":
		  	open ('http://www.lut.cn/');
			break;
		  case "haerbing":
		  	open ('http://www.hit.edu.cn/');
			break;
		  case "nongye":
		  	open ('http://www.cau.edu.cn/');
			break;
		  case "jiangsu":
		  	open ('http://www.ujs.edu.cn/');
			break;
		  case "beijing":
		  	open ('http://www.bjpeu.edu.cn/');
			break;
		  case "xihua":
		  	open ('http://www.xhu.edu.cn/');
			break;
		  case "xinan":
		  	open ('http://www.swpu.edu.cn/');
			break;
		  case "xianligong":
		  	open ('http://www.xaut.edu.cn/');
			break;
		  case "xibei":
		  	open ('http://www.nwpu.edu.cn/');
			break;
		  case "dongbei":
		  	open ('http://www.neu.edu.cn/');
			break;
		  case "wuhan":
		  	open ('http://www.whu.edu.cn');
			break;
		  case "hehai":
		  	open ('http://www.hhu.edu.cn');
			break;
			
		  //other
	  }
  }