// utilities.js



function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)

{

  toolbar_str = toolbar ? 'yes' : 'no';

  menubar_str = menubar ? 'yes' : 'no';

  statusbar_str = statusbar ? 'yes' : 'no';

  scrollbar_str = scrollbar ? 'yes' : 'no';

  resizable_str = resizable ? 'yes' : 'no';

  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);

}



function na_preload_img()

{ 

  var img_list = na_preload_img.arguments;

  if (document.preloadlist == null) 

    document.preloadlist = new Array();

  var top = document.preloadlist.length;

  for (var i=0; i < img_list.length; i++) {

    document.preloadlist[top+i] = new Image;

    document.preloadlist[top+i].src = img_list[i+1];

  } 

}



function na_change_img_src(name, nsdoc, rpath, preload)

{ 

  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);

  if (name == '')

    return;

  if (img) {

    img.altsrc = img.src;

    img.src    = rpath;

  } 

}



function na_restore_img_src(name, nsdoc)

{

  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);

  if (name == '')

    return;

  if (img && img.altsrc) {

    img.src    = img.altsrc;

    img.altsrc = null;

  } 

}



function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}



function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}



function MM_findObj(n, d) { //v3.0

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;

}



function MM_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)

   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}



function MM_showHideLayers() { //v6.0

  var i,p,v,obj,args=MM_showHideLayers.arguments;

  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];

    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }

    obj.visibility=v; }

}



function MM_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)

{

  toolbar_str = toolbar ? 'yes' : 'no';

  menubar_str = menubar ? 'yes' : 'no';

  statusbar_str = statusbar ? 'yes' : 'no';

  scrollbar_str = scrollbar ? 'yes' : 'no';

  resizable_str = resizable ? 'yes' : 'no';

  csr = window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);

}