/*
* Script: functions.js
* Description: General JS Functions
* Author: Mark Coley
* Version: 1.0
*
*
* Revision History:
* Ver Modifier Date Change
* 1.0 M Coley 2007/08/01 Creation
*
*/
/* openWindow - opens a custom sized and position document window with scroll bar
*
* @param string url url of page
* @param int w width of window
* @param int h height of window
* @param int t top position of window
* @param int l left position of window
* @returns void
* @usage openWindow( 'http://hoofing-around.co.uk',465,320,20,20 )
*/
function openWindow( url, w, h , t, l )
{
var urlRegxp = /^(http:\/\/www.|https:\/\/www.|www.|http:\/\/.){1}([\w]+)(.[\w]+){1,2}[A-Za-z0-9-_%&\?\/.=]+$/;
var numRegxp = /^\d+$/;
if ( ! urlRegxp.test( url ) )
{
alert( 'not a url ' + url );
var window_handle=window.open("", "Error", "toolbar=0,location=0,status=1,menubar=0,scrollbars=0,height=500,width=500");
window_handle.document.write("");
window_handle.document.write("Error");
window_handle.document.write("");
window_handle.document.write("");
window_handle.document.write("An error occured whilst loading the content for this window!");
window_handle.document.write("
");
window_handle.document.write("");
}
else
{
// check that we have width, height, top, and left values
if ( ! numRegxp.test( w ) ) { w = 465 }
if ( ! numRegxp.test( h ) ) { h = 320 }
if ( ! numRegxp.test( t ) ) { t = 20 }
if ( ! numRegxp.test( l ) ) { l = 20 }
var window_handle=window.open( url,"win",'toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,width=' + w + ',height=' + h + ',top=' + t + ',left=' + l );
}
window_handle.focus();
} // end function: openWindow
/* addtoBookmarks - add url to bookmarks/favorites list
*
* @param string url url of page
* @param string title title page
* @returns void
* @usage addtoBookmarks( 'http://www.hoofing-around.co.uk', 'site title' )
*/
function addtoBookmarks( url, title )
{
var urlRegxp = /^(http:\/\/www.|https:\/\/www.|www.|http:\/\/.){1}([\w]+)(.[\w]+){1,3}[A-Za-z0-9-_%&\?\/.=]+$/;
var msg = '';
msg = msg + '\n url is ' + url;
msg = msg + '\n title is ' + title;
//alert (msg );
// check we have both url and title
if ( url == '' || ! urlRegxp.test( url ) || title == '' )
{
url = "http://www.hoofing-around.co.uk";
title = "The online equestrian centre, saddlery & tack shop for horse and rider from Hoofing Around";
}
// check for browser type
if ( ( navigator.appName == "Microsoft Internet Explorer" ) && ( parseInt( navigator.appVersion ) >= 4 ) )
{
window.external.AddFavorite( url, title );
}
else if (navigator.appName == "Netscape")
{
window.sidebar.addPanel( title, url, "" );
}
else
{
alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
}
} // end of function: addtoBookmarks
/*
* y2k - year compliant number
* @param int number number to convert
* @returns int number
* @usage y2k( 1997 )
*/
function y2k( number )
{
return ( number < 1000 ) ? number + 1900 : number;
}
/*
* empty - clear value of given from control
* @param object obj document form control
* @returns void
* @usage empty( document.form.element )
*/
function empty( obj )
{
obj.value="";
} // end function: empty
/*
* isEmail - checks if email is properly formed
* @param object frmCtl document from control
* @returns boolean
* @usage isEmail( document.form.element )
*/
function isEmail( frmCtl )
{
var submittable= true;
var emailRegxp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
text = frmCtl.value;
result = emailRegxp.test(text);
if(result==false)
{
alert( "Please enter a valid email address" );
submittable=false;
}
if( submittable == false )
{
return false;
}
} // end function: isEmail