// JavaScript Document

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) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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 checkEmailForm() {

	if ( isSureName() & isFirstName() & isEmail() & isMessage() )
	{
	
		confirm("\n Submit email now?")
		return true;
	}
	else return false;
}

function checkGuestListForm() {

	if ( isSureName() & isFirstName()  & isAge()& isEmail() )
	{
	
		confirm("\n You are about to submit your data.")
		return true;
	}
	else return false;
}




function isSureName() {
if (document.contactform.surname.value == "")
{
	document.getElementById("surenamemessage").style.visibility = 'visible';


	return false;
}

document.getElementById("surenamemessage").style.visibility = 'hidden';	
return true;

}

function isFirstName() {
if (document.contactform.fname.value == "")
{
document.getElementById("firstnamemessage").style.visibility = 'visible';	

return false;
}
document.getElementById("firstnamemessage").style.visibility = 'hidden';	

return true;
}

function isEmail() {
if ((document.contactform.email.value =="") || (document.contactform.email.value.indexOf ('@',0) == -1 ||document.contactform.email.value.indexOf ('.',0) == -1))
	{
	document.getElementById("emailmessage").style.visibility = 'visible';	
	

	return false;
	}
document.getElementById("emailmessage").style.visibility = 'hidden';	
return true;
}

function isAge() {
if ( (isNaN(document.contactform.age.value))|| (document.contactform.age.value < 10)|| (document.contactform.age.value >90)) {
document.getElementById("agemessage").style.visibility = "visible";	
return false
}
document.getElementById("agemessage").style.visibility = 'hidden';	
return true;
}

function isMessage() {
if ((document.contactform.message.value == "" )||(document.contactform.message.value == "Your message")) {
document.getElementById("messagemessage").style.visibility = "visible";	

return false
}
document.getElementById("messagemessage").style.visibility = 'hidden';	
 return true;
}