// JavaScript Document
//don't know, but it's important
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;
}

//form validation
function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    label=val.name
	if (label=='terms') {
		if (!(val.checked)) {
			errors+='- Please accept the terms and conditions\n';
			if (document.getElementById('termstr')!=null){document.getElementById('termstr').style.background='#fffb9a'}
		}
		else
		{
			if (document.getElementById('termstr')!=null){document.getElementById('termstr').style.background='#ffffff'}
		}
	}
	if (label=='email') {
		if (val.value=='') {
			if (document.getElementById('emailerror')!=null){document.getElementById('emailerror').style.display='block'}
			if (document.getElementById('emailerror2')!=null){document.getElementById('emailerror2').style.display='block'}
			if (document.getElementById('emailtr')!=null){document.getElementById('emailtr').style.background='#fffb9a'}
			if (document.getElementById('emailtr2')!=null){document.getElementById('emailtr2').style.background='#fffb9a'}
			if (document.getElementById('email')!=null){document.getElementById('email').focus()}
		}
		else
		{
			if (document.getElementById('emailerror')!=null){document.getElementById('emailerror').style.display='none'}
			if (document.getElementById('emailerror2')!=null){document.getElementById('emailerror2').style.display='none'}
			if (document.getElementById('emailtr')!=null){document.getElementById('emailtr').style.background='#ffffff'}
			if (document.getElementById('emailtr2')!=null){document.getElementById('emailtr2').style.background='#ffffff'}
		}
	}
	if (label=='telephone') {
		if (val.value=='') {
			if (document.getElementById('phoneerror')!=null){document.getElementById('phoneerror').style.display='block'}
			if (document.getElementById('phoneerror2')!=null){document.getElementById('phoneerror2').style.display='block'}
			if (document.getElementById('phonetr')!=null){document.getElementById('phonetr').style.background='#fffb9a'}
			if (document.getElementById('phonetr2')!=null){document.getElementById('phonetr2').style.background='#fffb9a'}
			if (document.getElementById('telephone')!=null){document.getElementById('telephone').focus()}
		}
		else
		{
			if (document.getElementById('phoneerror')!=null){document.getElementById('phoneerror').style.display='none'}
			if (document.getElementById('phoneerror2')!=null){document.getElementById('phoneerror2').style.display='none'}
			if (document.getElementById('phonetr')!=null){document.getElementById('phonetr').style.background='#ffffff'}
			if (document.getElementById('phonetr2')!=null){document.getElementById('phonetr2').style.background='#ffffff'}
		}
	}
	if (label=='location') {
		if (val.value=='') {
			if (document.getElementById('locationtr')!=null){document.getElementById('locationtr').style.background='#fffb9a'}
		}
		else
		{
			if (document.getElementById('locationtr')!=null){document.getElementById('locationtr').style.background='#ffffff'}
		}
	}
	if (val) { nm=val.name; if ((val=val.value)!="") {
		
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if ((test.charAt(0) == 'R')&&(label!='terms')) errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

//home page tabs
function tabselect(tabbutton,tabbody) {
tabbutton.setAttribute('class', 'tabselect');
document.getElementById(tabbody).setAttribute('class', 'tabshow');
if (tabbutton.id!='daytimetab') {
document.getElementById('daytimetab').setAttribute('class', 'tabnoselect');
document.getElementById('daytimetabbody').setAttribute('class', 'tabhide');
};
if (tabbutton.id!='eveningtab') {
document.getElementById('eveningtab').setAttribute('class', 'tabnoselect');
document.getElementById('eveningtabbody').setAttribute('class', 'tabhide');
};
if (tabbutton.id!='internationaltab') {
document.getElementById('internationaltab').setAttribute('class', 'tabnoselect');
document.getElementById('internationaltabbody').setAttribute('class', 'tabhide');
};
if (tabbutton.id!='venuestab') {
document.getElementById('venuestab').setAttribute('class', 'tabnoselect');
document.getElementById('venuestabbody').setAttribute('class', 'tabhide');
};
return true;
}