window.addEvent('domready', function(){
	$('main-form').onsubmit=function(){
		allInputs=$('main-form').getElements('input.required');
		for(var i=0; i<allInputs.length; i++){
			if(allInputs[i].value==''){
				switch(language){
					case 'en':
						alert("Please ensure you have filled in ALL required fields");
						break;
					case 'cy':
						alert("Gofynnir i chi sichrau eich bod wedi llenwi POB maes gofynnol");
						break;
				}
				return false;
			}
		}
	};
});