LastMenu = ""
function closeMe() {
	if (LastMenu != "") {
	thisMenu = document.getElementById(LastMenu).style;
	thisMenu.display = "none"; }
}	
function openMe(currMenu) {	
	closeMe();
	thisMenu = document.getElementById(currMenu).style;
	thisMenu.display = "block";
	LastMenu = currMenu;
}

function nonUK(NUK)	{
	if (NUK.checked==true)	{
	   x = document.getElementById('nonuk').style;
	   x.display = "block"; 
    	document.Booking.PostCode.value="Non-UK";
        document.Booking.House.value="Non-UK";
        document.Booking.Telephone.focus();
    }
    else {document.Booking.PostCode.value="";
        document.Booking.House.value="";
        document.Booking.PostCode.focus();
		x.display = "none"; 
    }    
}
function club(mem) {
  if (mem.checked) {
  document.Opens.Clubname.value="Saunton Golf Club";
 }
 else {document.Opens.Clubname.value="";
 }
}
function jmcsubmit(entry) {
  entry.submit();
}
function externalLinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
 } 
}
function gmap() {
    jmcmap = document.getElementById("gmap").style;
    if (jmcmap.display=="block") {
        jmcmap.display="none";
    }else{
        jmcmap.display="block";
    }
}
window.onload = externalLinks;
function formCheck(form) {
    var checked=true;
    var emre = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
    for(i=0;i<6;i++) {
     err=document.getElementById(i);
     if (form.elements["M[]"][i].value=="" || form.elements["M[]"][i].value=="0") {
        err.innerHTML="** Entry required";
        checked=false;
     }else{
        err.innerHTML=" ";
     }
    }
    err=document.getElementById(2);
    if (!emre.test(form.elements["M[]"][2].value)) {
        err.innerHTML="** Email address incorrect format";
        checked=false;
    }else{
        err.innerHTML=" ";
    }
    if (checked) {
        form.submit();
    }
}