var w1flag = false;
var w2flag = false;
var browser = "";
var browsername = navigator.appName;
var browserversion = parseInt(navigator.appVersion);
if (browsername == "Netscape") {
    browser = "ns" + browserversion;
} else {
    if (browsername == "Microsoft Internet Explorer") {
        if (browserversion >= 4) {
            browser = "ie" + browserversion;
        } else {
            browser = "ie3";
        }
    }
}

window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion); 
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null// LAYER SWITCHING CODE
 var scler; 
//............................................

function hilite(imgname ){
 var jscript;

  if ( (navigator.userAgent.indexOf("a/3",6) == -1) &&
       (navigator.userAgent.indexOf("a/4",6) == -1) ) {
    jscript = 0;
  }
  else {
    jscript = 1;
  }
   jscript=1;
 if (jscript) document.images[imgname].src='./veinimages/menuarrowleft.gif' ;
}

function hiliteout(imgname ){
 var jscript;
  if ( (navigator.userAgent.indexOf("a/3",6) == -1) &&
       (navigator.userAgent.indexOf("a/4",6) == -1) ) {
    jscript = 0;
  }
  else {
    jscript = 1;
  }
 if (jscript) document.images[imgname].src='./veinimages/menublank.gif' ;
}



function hilitehdrmenu(imgname, srcimage ){
 var jscript;

  if ( (navigator.userAgent.indexOf("a/3",6) == -1) &&
       (navigator.userAgent.indexOf("a/4",6) == -1) ) {
    jscript = 0;
  }
  else {
    jscript = 1;
  }
   jscript=1;
 if (jscript) document.images[imgname].src='./veinimages/'+srcimage ;
}

function hiliteouthdrmenu(imgname, srcimage ){
 var jscript;
  if ( (navigator.userAgent.indexOf("a/3",6) == -1) &&
       (navigator.userAgent.indexOf("a/4",6) == -1) ) {
    jscript = 0;
  }
  else {
    jscript = 1;
  }
 if (jscript) document.images[imgname].src='./veinimages/'+srcimage ;
}

function openvenous() {
  ven=window.open("venous.htm","win5","height=600,width=680,left=10,top=20,,scrollbars=no,toolbar=no");
 }


function opensclero() {
  scler=window.open("sclero.htm","win4","height=400,width=400,scrollbars=yes,toolbar=no");
 }


function showannouncement()
 {

  var a=window.open("openhouse.htm","openho","height=500,width=550,left=80,top=10,scrollbars=yes");

 }