/* *********************************************************************************************************************
 * Author        : David Li (david.li@daimler.com) @ DFS AAP, HQ in Singapore                                         *
 * Date          : 09 April, 2008                                                                                     *
 * Last Change   : Ayush Vij @ 11 November, 2009                                                                      *
 * Description   : Script to create, read and erase browser cookies                                                   *
 **********************************************************************************************************************/

/* create and read cookie stored: downpayment */

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires;
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}