function validate(form) {
	var e = form.elements, m = '';
	
	if(!e['your_name'].value) {
		m += '- Please enter your name.\n';
	}
	if(!e['heroes_name'].value) {
		m += '- Please enter your heroes name.\n';
	}
		if(!e['heroes_rank'].value) {
		m += '- Please enter your heroes name rank.\n';
	}
var str = e['email'].value;
	var reg = new RegExp("([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})");
			
	if (!reg.test(str))
	{
		m += '- Please supply a valid email address\n';
	}	
	if(!e['city'].value) {
		m += '- Please enter the city your hero is from.\n';
	}
				if(!e['wishes'].value) {
		m += '- Please enter you holiday wishes.\n';
	}
	if(!e['uploaded_file'].value) {
		m += '- Your heroes photo is required.\n';
	}
	if(m) {
		alert('The following error(s) occurred:\n\n' + m);
		return false;
	}
	return true;
}