function Togglecss() { 
        var screencss = document.getElementById('screencss'); 
        var printcss = document.getElementById('printcss'); 
        if (screencss.flag == true) { 
                screencss.href = screencss.oldhref; 
                screencss.flag = false; 
                //alert('When you are done printing, just click the \'printer friendly\' link again.'); 
        } else { 
                screencss.oldhref = screencss.href; 
                screencss.href = printcss.href; 
                screencss.flag = true; 
        } 
} 
    
function restoreButtons(){
        document.getElementById("PrintMe").style.visibility  = "visible"
}
function HideNPrint() {
        var browserStr = navigator.appName
        var pos = browserStr.indexOf("Microsoft")
        if (pos >= 0){
                PrintMe.style.visibility = "hidden"
                print()
                PrintMe.style.visibility = "visible"
        }else{
                document.getElementById("PrintMe").style.visibility  = "hidden"         
                print()
                setTimeout("restoreButtons()",10000)
        }
}
   
       
<!--
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
    //]]>