function merch_onchange(para_form) {
var merch_form=para_form;

				if (merch_form.kind_code_first.options[0].selected) {   

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[0].text="商品类别";
					merch_form.kind_code_second.options[0].value="000000";	
					merch_form.kind_code_second.length=1;
				}
				
				if (merch_form.kind_code_first.options[1].selected) {   

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[0].text="商品类别";
					merch_form.kind_code_second.options[0].value="000000";
					
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[1].text="水晶制品";
					merch_form.kind_code_second.options[1].value="水晶制品";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[2].text="珍珠制品";
					merch_form.kind_code_second.options[2].value="珍珠制品";
					 
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[3].text="贝艺产品";
					merch_form.kind_code_second.options[3].value="贝艺产品";
					 					 
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[4].text="古椰家饰";
					merch_form.kind_code_second.options[4].value="古椰家饰";

					
					
					merch_form.kind_code_second.length=5;			
		}

	 if (merch_form.kind_code_first.options[2].selected) {   
		 
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[0].text="商品类别";
					merch_form.kind_code_second.options[0].value="000000";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[1].text="摄影器材";
					merch_form.kind_code_second.options[1].value="摄影器材";
					
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[2].text="登山器材";
					merch_form.kind_code_second.options[2].value="登山器材";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[3].text="野营用品";
					merch_form.kind_code_second.options[3].value="野营用品";
					 
					
						
					merch_form.kind_code_second.length=4;		
		}			 					 

	if (merch_form.kind_code_first.options[3].selected) {   

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[0].text="商品类别";
					merch_form.kind_code_second.options[0].value="000000";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[1].text="旅游资讯类";
					merch_form.kind_code_second.options[1].value="旅游资讯类";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[2].text="安全类";
					merch_form.kind_code_second.options[2].value="安全类";
					 
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[3].text="酒店管理类";
					merch_form.kind_code_second.options[3].value="酒店管理类";
					 							

					
					merch_form.kind_code_second.length=4;			
		}			

 if (merch_form.kind_code_first.options[4].selected) {   
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[0].text="商品类别";
					merch_form.kind_code_second.options[0].value="000000";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[1].text="茶叶";
					merch_form.kind_code_second.options[1].value="茶叶";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[2].text="咖啡";
					merch_form.kind_code_second.options[2].value="咖啡";
					 
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[3].text="胡椒";
					merch_form.kind_code_second.options[3].value="胡椒";

					merch_form.kind_code_second.length=4;			
		}			

if (merch_form.kind_code_first.options[5].selected) {   
					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[0].text="商品类别";
					merch_form.kind_code_second.options[0].value="000000";

					merch_form.kind_code_second.length=50;
					merch_form.kind_code_second.options[1].text="海南岛服";
					merch_form.kind_code_second.options[1].value="海南岛服";

					

					merch_form.kind_code_second.length=2;			
		}			





	
}