//Copied, minus comments from JavaScript: The Definitive Guide by David Flanagan 4th Edition
//pgs. 264-265
//Not sure if this is legal, but I bought the book so I should be able to do it!?!?
//ISBN 0596000480 - O'Reilly
function isblank(s){
for( var i = 0 ; i < s.length; i++ ){
var c = s.charAt(i);
if ((c != ' ') && (c != '\n') && (c != '')) return false;
}
return true;
}
function verify(f){
var msg;
var empty_fields = "";
var errors = "";
for( var i = 0; i < f.length; i++ ){
var e = f.elements[i];
if (((e.type == "text") || (e.type == "textarea")) && !e.optional){
if( (e.value == null) || (e.value == "" ) || isblank( e.value )){
empty_fields += "\n " + e.name;
continue;
}
if (e.numeric || (e.min != null) || (e.max != null)){
var v = parseFloat( e.value );
if (isNAN(v) || ((e.min != null) && (v < e.min )) || ((e.max != null) && (v > e.max))){
errors += "- The field " + e.name + " must be number";
if (e.min != null){
errors += " that is greater than " + e.min;
}
if (e.max != null && e.min != null){
errors += " and less then " + e.max;
}
else if (e.max != null){
errors += " that is less then " + e.max;
}
errors += ".\n";
}
}
}
}
if ( !empty_fields && !errors ) return true;
msg = "________________________________________________\n\n";
msg += "The form was not submitted because of the following error(s).\n";
msg += "Please correct these error(s) and re-submit.\n";
msg += "_______________________________________________\n\n";
if (empty_fields){
msg += " - The following required field(s) are empty:" + empty_fields + "\n";
if (errors) msg += "\n";
}
msg += errors;
alert (msg);
return false;
}
//End O'Reilly Copy
function photoAlbum( imgNum ){
imgSource = "http://www.kimskatering.com/images/gallery/";
w = window.open( '', 'PhotoAlbum', "height=480, width=700,scrollbars=yes");
w.focus();
w.document.write( "" );
w.document.write( "Kim's Katering - Photo Gallery" );
w.document.write( '' );
w.document.write( "
![](" + imgSource + imgNum + "-640.jpg)
" );
w.document.write( "