function makeCookie(form){	

	

	//array of field names to be stored in cookie

	var field_names = ['name','title','email','telephone','company','address1','address2','city','state','province','zip','country','platform'];

	

	//retain cookie by setting its expiry in the future

	var date = new Date(2007,07,31);

	date=date.toGMTString();

	//initialise variables

	var str = "";

	var add_amp = false;

	//loop through form and make a string of the name /values pairs like this: "name=value&name2=value2" etc.

	for (var loop=0; loop < field_names.length; loop++){		

		for (var loop2=0; loop2 < form.elements.length; loop2++){

			if (field_names[loop] == form.elements[loop2].name){

				if (add_amp == true) {str += "&";}

				//if statement for Netscape select method, note this records selectedIndex rather than value

				if (form.elements[loop2].type == "select-one"){

					str += form.elements[loop2].name + "=" + form.elements[loop2].selectedIndex;

					add_amp = true;

					break;

					}

					else{

					str += form.elements[loop2].name + "=" + form.elements[loop2].value;

					add_amp = true;

					break;

					}				

				}

			}

		}

	//create a cookie string using the string above and set its expiry using above date

	var the_cookie = "form_values=:"+escape(str)+";expires="+date;

	document.cookie = the_cookie;

	//alert('Form saved to cookie');

	}

	

	function readCookie(form){	

	//jeremy.wray@netdecisions.co.uk

	// load the cookie into a variable and unescape it

	var the_cookie = document.cookie;

	the_cookie = unescape(the_cookie);

	//check to see it has our string in the cookie

	if (the_cookie.indexOf("form_values") != -1){

		//get start/end points of relevant portion of cookie

		var start = the_cookie.indexOf("form_values");

		var end = the_cookie.indexOf(";",start);

		//check to see if our cookie is the last string in the cookie

		if (end == -1){ //if so, slice to end			

			the_cookie = the_cookie.slice(start);

			}

			else{ //otherwise slice to next ";"			

			the_cookie = the_cookie.slice(start,end);

			}

		}

		else{

		//if our string not in cookie, exit function

		return;

		}

	// separate the values from the cookie name

	var broken_cookie = the_cookie.split(":");

	//if cookie is emptied, exit function

	if (broken_cookie == "") {return;}

	//get cookie name/values

	var the_values = broken_cookie[1];

	//if name/values are empty, exit function

	if (the_values == "") {return;}

	// break each name:value pair into an array

	var separated_values = the_values.split("&");

	var property_value = "";

	

	//loop through form and check if value exists in cookie

	for (var loop = 0; loop<form.elements.length; loop++){

		

		// loop through the list of name/values in the cookie for comparison		

		for (var loop2 = 0; loop2 < separated_values.length; loop2++) {	

			property_value = separated_values[loop2];	

			var broken_info = property_value.split("=");	

			var the_name = broken_info[0];

			var the_value = broken_info[1];

			

			//compare with form

			if (form.elements[loop].name == the_name){	

				//place values back into form			

				if (form.elements[loop].type == "select-one"){

					form.elements[loop].selectedIndex = the_value;	

					break;

					}

					else{

					form.elements[loop].value = the_value;					

					break;

					}

				}					

			}

		}

	}

	

	function deleteCookie(){

	//jeremy.wray@netdecisions.co.uk

	//set a date in the past

	var date = new Date(1999,9,30);

	date=date.toGMTString();

	//set it's string to empty

	var str = "";	

	//delete cookie by setting it's expiry in the past

	var the_cookie = "form_values=:"+escape(str)+";expires="+date;

	document.cookie = the_cookie;

	alert('The cookie has been deleted');

	}