/********** ONLOAD RANDOM IMAGE  **********/

function RandomImg(){	
	var imagenumber = 3;
	var randomnumber = Math.random() ;
	var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1;
	
	var images = new Array;
	images[1] = "images/peppers.jpg";
	images[2] = "images/foodonfork.jpg";
	images[3] = "images/sushi.jpg";
	
	var image = images[rand1];
	
	document.rand_img.src = image;
	
}


function errorCheck() {	
	if (document.email_form.name.value==""){
		alert("Please fill in the 'your name' field");
		return false;
	}
	if (document.email_form.visitormail.value==""){
		alert("Please fill in the 'your email' field");
		return false;
	}	
	if (document.email_form.subject.value==""){
		alert("Please fill in the 'subject' field");
		return false;
	}
	if (document.email_form.notes.value==""){
		alert("Please type a message");
		return false;
	}		
	else {				
		document.email_form.submit();		
	}
}