function ddlsearch(obj){
	
	var sValue = obj.options[obj.selectedIndex].value; 
	var list1 = document.getElementById("ddlMSearch"); 
    list1.length = 0;   
   
         if (sValue != ""){     
             document.getElementById("prosearch1").style.display="block";        
	         for(i=0;i<tblMsg[sValue].length;i++){
	                      var opt = document.createElement("option");    
	                       list1.options.add(opt);
	                      opt.text =tblMsg[sValue][i].text;   
                          opt.value =tblMsg[sValue][i].value; 
	                   
              }
          }  
         else{
                          
                          var opt = document.createElement("option");    
	                      list1.options.add(opt);
	                      opt.text ="請選擇";   
                          opt.value =""; 
                          document.getElementById("prosearch1").style.display="none";
                          
         }
          document.getElementById("hidmsearch").value="" ;
          document.getElementById("prosearch2").style.display="none"
	}
	
	
	function ddlsearch2(obj){
	
	var sValue = obj.options[obj.selectedIndex].value; 
	var list1 = document.getElementById("ddlPSearch"); 
    list1.length = 0;   
   
         if (sValue != ""){     
            
             if (typeof(tblMsg2[sValue])!='undefined'){
               document.getElementById("prosearch2").style.display="block";        
	           for(i=0;i<tblMsg2[sValue].length;i++){
	                       var opt = document.createElement("option");    
	                       list1.options.add(opt);
	                       opt.text =tblMsg2[sValue][i].text;   
                           opt.value =tblMsg2[sValue][i].value; 
	                   
                }
               }
          }  
         else{
                          
                          var opt = document.createElement("option");    
	                      list1.options.add(opt);
	                      opt.text ="請選擇";   
                          opt.value =""; 
                          document.getElementById("prosearch2").style.display="none";
                          
         }
          document.getElementById("hidpsearch").value="" ;
          document.getElementById("hidmsearch").value=sValue;  
	}
	
	function check1(){
	   
	   if (document.getElementById("ddlBSearch").value == ""){
	      alert("搜尋請選擇產品類別");  
	      return false;
	   }
	   else{
	      return true
	   }
	}
	function check2(){
	   
	   if (document.getElementById("ddlMSearch").value == ""){
	      alert("搜尋請選擇產品類別");  
	      return false;
	   }
	   else{
	      return true
	   }
	}
	
		function check3(){
	   
	   if (document.getElementById("ddlPSearch").value == ""){
	      alert("搜尋請選擇產品類別");  
	      return false;
	   }
	   else{
	      return true
	   }
	}
	
	
	
	function list(obj){
	
	var sValue = obj.options[obj.selectedIndex].value; 
	
	document.getElementById("hidpsearch").value=sValue ;
	}</div>
<div style="display:none">