// JavaScript Document

function submit_form(value) 
{ 
	if(value.name.value == "") { alert("Please enter your name."); value.name.select(); return false;}
	else if((value.email.value.indexOf('@') < 0) || ((value.email.value.charAt(value.email.value.length-4) != '.') && (value.email.value.charAt(value.email.value.length-3) != '.')))
	       {alert("The email address is invalid. Please re-enter your email address."); value.email.select(); return false;}
	else if(value.subject.value == "") { alert("Please enter a subject."); value.subject.select(); return false;}
	else if(value.comments.value == "") { alert("Please enter details."); value.comments.select(); return false;}
	
	else { return true;}
}