function myload(){
    var productClass=document.getElementById("productClass");
    var product=document.getElementById("product");
     productClass.onchange=productClassSelectChange;
     product.onchange=productSelectChange;
   var httpRequest=new HttpRequest();
   httpRequest.startRequest(_applicationPath+"/ProductClass/getProductClassList","showProductClass");
   
//	answerCount.onchange=answerChange;
//	for(var i=0;i<50;i++){
//	var option=document.createElement("option");
//	option.value=i+1;
//	option.text=i+1;
//	answerCount.options.add(option);
//	}
}
 var isIE=document.all?true:false;
     if(isIE){
	    
	    	window.attachEvent('onload', myload);
	    }else if(!isIE){
	
		    window.addEventListener('load',myload, false);
    	}
function productClassSelectChange(){
    var productClass=document.getElementById("productClass");
    var product=document.getElementById("product");
  
    var pcId=productClass.value;
    if(pcId==-1){
        
          for(var i=0;i<product.options.length;){
              product.removeChild(product.options[i]);
          }
           var option1=document.createElement("option");
           option1.text="--请选择--";
           option1.value=-1;
            document.getElementById("product").options.add(option1);
    }else{
       var httpRequest=new HttpRequest();
        httpRequest.startRequest(_applicationPath+"/CP/getProductsByCId/"+pcId,"showProductList"); 
    }
    
}
function productSelectChange(){
    var product=document.getElementById("product");
    var productClass=document.getElementById("productClass");
    if(product.value==0){//全部机型
        window.location=_applicationPath+"/products/productList/"+productClass.value+"/1";
    }
    else{
        //window.location=_applicationPath+"/products/productSearch/"+product.value+"/"+productClass.value;
        window.location=_applicationPath+"/products/productSearch/"+productClass.value+"/"+product.value;  // modify by wangshaolin 2011 02 14
    }
        
}
function showProductList(text){

  
     var product=document.getElementById("product");
     for(var i=0;i<product.options.length;){
        product.removeChild(product.options[i]);
     }
     eval(text);

    
      var option1=document.createElement("option");
     option1.text="--请选择--";
     option1.value=-1;
     var option0=document.createElement("option");
     option0.text="全部机型";
     option0.value=0;
    product.options.add(option1);
    product.options.add(option0);
    for(var key in productList){
        var option=document.createElement("option");
        option.text=key;
        option.value=productList[key];
        product.options.add(option);
    }
     
}
function showProductClass(text){



var productClass=document.getElementById("productClass");
    eval(text);
     var option1=document.createElement("option");
     option1.text="--请选择--";
     option1.value=-1;
     productClass.options.add(option1);
    for(var key in productClassList){
    
        var option=document.createElement("option");
        option.text=key;
        option.value=productClassList[key];
            
        productClass.options.add(option);
    }
  
    productClass.onchange();
    
    
}