function Show_Menu(id_num,num){
for(var i=0;i<5;i++){document.getElementById("content_"+id_num+i).style.display="none";}
for(var i=0;i<5;i++){document.getElementById("menu_"+id_num+i).className="";}
document.getElementById("menu_"+id_num+num).className="Side_on";
document.getElementById("content_"+id_num+num).style.display="block";
}
function ShowTabs(ID){
               for (i=0;i<3;i++){
                    if(i == ID){
                        document.getElementById("TabTitle" + i).className="nhover";
                        document.getElementById("Tab" + i).style.display="";
                    }
                    else{
                        document.getElementById("TabTitle" + i).className="";
                        document.getElementById("Tab" + i).style.display="none";
                    }
               }
          }
function ShowMenus(ID){
               for (i=0;i<3;i++){
                    if(i == ID){
                        document.getElementById("MenuTitle" + i).className="nhover";
                        document.getElementById("Menu" + i).style.display="";
                    }
                    else{
                        document.getElementById("MenuTitle" + i).className="";
                        document.getElementById("Menu" + i).style.display="none";
                    }
               }
          }