// 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 cancel_item2()
{
	if(confirm("Are you sure?"))
	{
		window.history.back();
	}
}

function is_email(str)
{
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp)
  {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

function validate_email(form)
{
	if(is_email(form.Email.value) == true)
	{
		return true;
	}
	else
	{
		alert("Please enter a valid email address");
		form.Email.focus();
		return false
	}
}

function isblank(s)
{
    for(var i = 0; i < s.length; i++) {
        var c = s.charAt(i);
        if ((c != ' ') && (c != '\n') && (c != '\t')) return false;
    }
    return true;
}

function validate_contact_form(form)
{
	var return_value = false;
	if(form.name.value == "")
	{
		alert("Please enter your name");
		form.name.focus();
	}
	else if(form.email.value == "" && form.phone.value == "")
	{
		alert("Please enter your email address or telephone number");
		form.email.focus();
	}
	else
	{
		return_value = true;
	}
	return return_value;
}

function validate_tell_us_form(form)
{
	var return_value = false;
	if(form.name.value == "")
	{
		alert("Please enter your name");
		form.name.focus();
	}
	else if(form.email.value == "" && form.phone.value == "")
	{
		alert("Please enter your email address or telephone number");
		form.email.focus();
	}
	else
	{
		return_value = true;
	}
	return return_value;
}

function validate_repair_form(form)
{
	var return_value = false;
	if(form.name.value == "")
	{
		alert("Please enter your name");
		form.name.focus();
	}
	else if(form.email.value == "" && form.phone.value == "")
	{
		alert("Please enter your email address or telephone number");
		form.email.focus();
	}
	else if(form.problem_what.value == "" || form.problem_what.value == "Please describe the repair that needs making.")
	{
		alert("Please describe the repair that needs making");
		form.problem_what.focus();
	}
	else if(form.problem_where.value == "" || form.problem_where.value == "Please tell us where the problem is.")
	{
		alert("Please tell us where the problem is");
		form.problem_where.focus();
	}
	else
	{
		return_value = true;
	}
	return return_value;
}

function validate_signup(form)
{
	var return_value = false;
	if(!is_email(form.email.value))
	{
		alert("Please enter your email address");
		form.email.focus();
	}
	else
	{
		return_value = true;
	}
	return return_value;
}

function validate_booking_form(form)
{
	var return_value = false;
	if(form.name.value == "")
	{
		alert("Please enter your name");
		form.name.focus();
	}
	else if(form.email.value == "" && form.phone.value == "")
	{
		alert("Please enter your email address or telephone number");
		form.email.focus();
	}
	else if(form.address.value == "")
	{
		alert("Please enter your address");
		form.address.focus();
	}
	else if(form.places.value == "")
	{
		alert("Please tell us how many places you would like for the event");
		form.places.focus();
	}
	else
	{
		return_value = true;
	}
	return return_value;
}