//产品展示－分页
function link_page(num) {
  var a = ["G1","G2","G3"];
  var gid = a[num];
  for(var i=0;i<3;i++) {
   if(a[i] != a[num]) {  document.getElementById(a[i]).style.display = "none"; }
  }
  document.getElementById(gid).style.display = "block";
}

//产品向导－显示产品子类
//function visible_class(num) {
//    var a = ["p1", "p2", "p3", "p4"];
//    var p_id = a[num];
 //   var t_id = a[num] + "_t";
 //   document.getElementById(t_id).style.color = "#cc6600";
 //   document.getElementById(p_id).style.visibility = "visible";
//}

//产品向导－关闭产品子类
//function hidden_class(num) {
 //   var a = ["p1", "p2", "p3", "p4"];
 //   var p_id = a[num];
  //  var t_id = a[num] + "_t";
  //  document.getElementById(t_id).style.color = "#333333";
  //  document.getElementById(p_id).style.visibility = "hidden";
//}

function MakeVisible(cur, which) {
    if (which == 0)
    { cur.filters.alpha.opacity = 100; }
    else
    { cur.filters.alpha.opacity = 60; }
}

//打开鸡眼尺寸表窗口
function visible_jiyan_size() {
   document.getElementById("jiyan_size").style.visibility = "visible";
}

//关闭鸡眼尺寸表窗口
function hidden_jiyan_size() {
   document.getElementById("jiyan_size").style.visibility = "hidden";
}

//打开介子规格表窗口
function visible_jiezi_size() {
  document.getElementById("jiezi_size").style.visibility = "visible";
}

//关闭介子规格表窗口
function hidden_jiezi_size() {
   document.getElementById("jiezi_size").style.visibility = "hidden";

}