// JavaScript Document


// Form Validation

function validateForm()
	{
	// Usage - array 0 is the form name, then array 1+ the name of required fields
	
	// Get the name of fields that are required
	var argv = validateForm.arguments;
  	var argc = argv.length;
  	var form_name = argv[0];
	var errors="";
	
  	for (var i = 1; i < argc; i++) 
  		{
		if (document.forms[form_name].elements[argv[i]].value == "") { // Check to see whether the name field is blank
		
		if(argv[i]=="name") { argv[i]="Please tell us your name."; }
		if(argv[i]=="address1") { argv[i]="Please tell us your the first line of your address."; }
		if(argv[i]=="city") { argv[i]="Please tell us your city/town location."; }
		if(argv[i]=="postcode") { argv[i]="Please tell us your postcode."; }
		if(argv[i]=="telephone") { argv[i]="Please tell us your telephone number."; }
		if(argv[i]=="username") { argv[i]="Please enter a username."; }
		if(argv[i]=="password") { argv[i]="Please enter a password."; }
		if(argv[i]=="email") { argv[i]="Please tell us your email address."; }
		if(argv[i]=="mobile") { argv[i]="You must specify a mobile number."; }
		if(argv[i]=="subject") { argv[i]="You must type in a subject"; }
		if(argv[i]=="message") { argv[i]="You must type in a message."; }
		if(argv[i]=="usersNAME") { argv[i]="You must type in your name."; }
		if(argv[i]=="usersEMAIL") { argv[i]="You must type in your email address."; }
				
		errors=errors+"\n\n- "+argv[i]+" ";
		}
   	}
   	
	if(errors)
		{
		alert("\nSorry you have not completed all of the required fields."+errors+"\n\n"); return(false);
	}
	else
		{
		// Disable the submit button to stop people clicking twice
		document.forms[form_name].elements['Submit'].disabled = true;
		document.forms[form_name].submit();
	}
}