var expwin;

if (document.images)
  { image1 = new Image;
    image2 = new Image;
    image3 = new Image;
    image4 = new Image;
    image1.src = "../images/wbutt.gif";
    image2.src = "../images/ybutt.gif";
    image3.src="./images/wbutt.gif";
    image4.src="./images/ybutt.gif";}

function chgImg(nme,imgn)
{if (document.images)
    {document[nme].src = eval(imgn+".src");}}


function nwin(nhtm,winsize)
     {if (typeof(expwin) != "undefined")
     {if (expwin.closed == false)
       {expwin.close();}
     }
    expwin=window.open(nhtm,"fwin",winsize);
    return false;
   }

 function cabin()
   {var indx;
    for (indx=0;indx<4;indx++)
     if (document.form1.bednum[indx].checked==true)
        {window.parent.main.location.href="menu"+indx+"_H.htm";}
    return true;}