// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
if ( Get_Cookie( name ) ) document.cookie = name + "=" +
( ( path ) ? ";path=" + path : "") +
( ( domain ) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}


function Set_Cookie( name, value, expires, path, domain, secure ) 
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}


function Get_Cookie( check_name ) {
        // first we'll split this cookie up into name/value pairs
	        // note: document.cookie only returns name=value, not the other components
		        var a_all_cookies = document.cookie.split( ';' );
			        var a_temp_cookie = '';
				        var cookie_name = '';
					        var cookie_value = '';
						        var b_cookie_found = false; // set boolean t/f default f
							        
							        for ( i = 0; i < a_all_cookies.length; i++ )
								        {
									                // now we'll split apart each name=value pair
											                a_temp_cookie = a_all_cookies[i].split( '=' );
													                
													                
													                // and trim left/right whitespace while we're at it
															                cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
																	        
																	                // if the extracted name matches passed check_name
																			                if ( cookie_name == check_name )
																					                {
																							                        b_cookie_found = true;
																										                        // we need to handle case where cookie has no value but exists (no = sign, that is):
																													                        if ( a_temp_cookie.length > 1 )
																																                        {
																																			                                cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
																																							                        }
																																										                        // note that in cases where cookie is initialized but no value, null is returned
																																													                        return cookie_value;
																																																                        break;
																																																			                }
																																																					                a_temp_cookie = null;
																																																							                cookie_name = '';
																																																									        }
																																																										        if ( !b_cookie_found )
																																																											        {
																																																												                return null;
																																																														        }
			
			
																																																															}