var zoomRate = 20;     
  var maxRate = 300;     
  var minRate = 100;      

  function GetCookie(name){
    if (document.cookie != "") {
      zoomc = document.cookie.split("; ");
      for (var i=0; i < zoomc.length; i++) {
                zoomv = zoomc[i].split("="); 
                if (zoomv[0] == name) {
            return  unescape(zoomv[1]);
                }
      }        
    }else{
      return "";
    }
  }

  function SetCookie(name,value){
    document.cookie = name + "=" + escape (value)+";";
  }

  function baseZoom(contentid, mc) {
    if(mc == ''){
      contentid = 'wrap';
    }else{
      contentid = 'wrap';
    }
    document.all[contentid].style.zoom = '100%';
    SetCookie("zoomVal",document.all[contentid].style.zoom);
  }
  
  function GoZoom(contentid){
    if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
      document.all[contentid].style.zoom = GetCookie("zoomVal");
      currZoom=GetCookie("zoomVal");
    }
    else{
      document.all[contentid].style.zoom = '100%'; 
      currZoom = '100%';
    }
  }

  //Zoom In & Zoom Out
  function zoomInOut(contentid, how, mc) {

    if(mc == ''){
      contentid = 'wrap';
    }else{
      contentid = 'wrap';    
    }

    if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
      document.all[contentid].style.zoom = GetCookie("zoomVal");
      currZoom=GetCookie("zoomVal");
    }
    else{
      document.all[contentid].style.zoom = '100%'; 
      currZoom = '100%';
    }
    if (((how == "in") && (parseInt(currZoom) >= maxRate)) || ((how == "out") && (parseInt(currZoom) <= minRate)) ) {
      return; 
    }
    if (how == "in") {
      document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)+zoomRate+'%'
    }
    else {
      document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)-zoomRate+'%'
    }
    SetCookie("zoomVal",document.all[contentid].style.zoom);
  }

  //  +, - key event
  document.onkeypress = getKey;
  
  function getKey(keyStroke) {
    isNetscape=(document.layers);
    eventChooser = (isNetscape) ? keyStroke.which : event.keyCode;
    which = String.fromCharCode(eventChooser).toLowerCase();
    which2 = eventChooser;

    var el=event.srcElement;

    if ((el.tagName != "INPUT") && (el.tagName != "TEXTAREA"))    //input,textarea 
    {     
      if(which == "+" )
        zoomInOut('zoom', 'in');
      else if(which == "-" )
        zoomInOut('zoom', 'out');
    }
  }
  
  function jsiPrint()
  {
      var width = 730;
      var height = 350;
    var x, y;
    var screen_width  = screen.width;
    var screen_height = screen.height;
    x = (screen_width  / 2) - (width  / 2);
    y = (screen_height / 2) - (height / 2);
    var pop = window.open ( "./for_print.jsp","print","width=" + width + ", height=" + height + ", left=" + x + ", top=" + y + ", toolbar=no, status=no, menubar=no, scrollbars=yes, resizable=yes");
    pop.focus();
    return;
  }