// String extensions
jQuery.extend(String.prototype, {
Left: function(characterCount)
{
return this.substring(0,characterCount);
},

// Right
Right: function(characterCount)
{
return this.substring((this.length - characterCount), this.length);
},

// Mid
Mid: function(start, end)
{
if(!start){start=0};
if(!end || end > this.length){end=this.length};
if(end != this.length){end = start + end};
return this.substring(start,end);
},

// Replace
Replace: function(replaceThis, replaceWith)
{
var retval = this;
while(retval.indexOf(replaceThis) > -1){
retval = retval.replace(replaceThis,replaceWith);
}
return retval;
},

// Trim
Trim: function()
{
var retval = this;
retval = this.TrimStart();
return retval.TrimEnd();
},

// TrimStart
TrimStart: function ()
{
var retval = this;
while(retval.charAt(0)==" "){
retval = retval.replace(retval.charAt(0),"");
}
return retval;
},

// TrimEnd
TrimEnd: function ()
{
var retval = this;
while(retval.charAt((retval.length -1))==" "){
retval = retval.substring(0,retval.length-1);
}
return retval;
},

// RemoveAllWhitespace
RemoveAllWhitespace: function ()
{
var exp = new RegExp('\\s{1,}', 'gi');
return this.replace(exp, '');
}

});


// Returns a value of a field as a string.
// Will return checkbox lists etc as a comma separated string
jQuery.fn.fieldStringVal = function(successful) {
var retval = new String();
if (this.length > 0){
var elm = this[0];
var name = new String(elm.name);
var t = elm.type;
if (t == "checkbox" || t == "radio"){
if (name == ""){
if (elm.checked) retval = elm.id;
}
else{
/* See if it's a checkbox / radiobutton list */
/* Find all controls of the same name */
jQuery("input[@name=" + name + "]").each(function(){
if (this.checked){
if (retval != "") retval += ",";
retval += this.id;
}
});
}
}
else if (t == "select-one" || t == "select-multiple"){
for (var i=0; i<elm.length; i++){
if (elm.options[i].selected){
if (retval != "") retval += ",";
retval += elm.options[i].value;
}
}
}
else{
retval = elm.value;
}
}
return jQuery.trim(retval);
};