function go_productView(pdtnum){
location.href='/product/product_detail.asp?product_num='+pdtnum;
}


function go_category(page,ct1,ct2,ct3){
location.href=page+'?code1='+ct1+'&code2='+ct2+'&code3='+ct3
}


function go_brand(page,brand,ct1){
location.href=page+'?brand='+brand+'&code1='+ct1
}